nie jest to trafo synchroniczne Jeśli już to SYMETRYCZNE. A prawidłowo powinno być "Transformator z uzwojeniem wtórnym symetrycznym". To tak gwoli ścisłości. Ze schematu tego sprzętu wynika niestety, że jest on zbudowany na końcówkach "cyfrowych" z pojedynczym zasilaniem. Więc dla wykorzystania jest tylko to jedno uzwojenie - pozostałe mają zbyt małą obciążalność jak na zasilanie wzmacniacza; a poza tym są tam różne napięcia. Serwisówka:
TUNER MODULE (Z1001 ENG06701Q)
FM ANT
AM ANT
+B(FM)
RF AMP
IFT
FM MIXER
AM
ANT
COIL
FM IF
AMP
23
21
20
OSC
AGC
TU B
+B(FM)
22
BUFFER
AMP
LOCAL OSC
AM RF
IN
+B(FM)
AM
OSC
COIL
Rch
LA1833MN
FM / AM I F AMP,
DET / AM OSC,
MIX / FM MPX
BUFF.
FM IF
IN
1
AM/FM
IF
BUFF.
SCURVE
FM IF
MPX
IN
PILOT
OUT
PHASE
DET.
AM
DET.
DECODER
STEREO
SW
PILOT
CANCEL
COMP.
VCO
FF
FF
FF
AM
MIX
OUT
AM IF
IN
SD
STRQ
4
6
10
FM/AM
FMDET
2
11
GND
8
Vcc
14
TUNING
DRIVE
FM
DET.
9
13
Rch
15
Lch
16
AGC
AM
IF
LEVEL
DET.
17
5
12
PILOT
DET.
ST
24
AM
RF
AMP
AM
MIX
AM
OSC
18
MONO
ALC
OSC
OUT
19
PILOT
IN
REG
DET
OUT
AFC
3
AM
OUT
+B(FM)
7
TU B
TU B
AM
IFT
TU SD
+B6
Q451~456
MOTOR
DRIVE
FAN-B
M
FAN MOTOR
18
AOUT
14
AM IN
13
D0
2
3
4
5
B01
6
CE
8
9
60
61
62
63
TU SD
7
59
TU CLK
12
TU CLK
TU DI ST
TU DO
10
TU DO
37
C2CBJH000095
IC941
SYSTEM CONTROL
TU CE
TUN DIN/ST
POWER
SUPPLY
(FM:ON)
POWER
ON
RESET
CL
36
TU CE
TU B
Vss
B04
19
DATA SHIFT REGISTER
LATCH
B03
+B(FM)
UNIVERSAL
COUNTER
B02
VDD
I02
15
I01
TU B
DI
TUN CE
12 BIT
PROGRAMMABLE
DIVIDER
LC72131M
PLL FREQUENCY
SYNTHESIZER
66
FAN1
65
AVSS
FM IN
JOG A
1/2
VSS
SWALLOW COUNTER
1/6,1/17 4bit
JOG B
IFIN
CNVSS
11
20
REFERENCE
DIVIDER
TUN SD
XOUT
PHASE DETECTOR
CHARGE PUMP
VR901
(VOLUME)
7.2MHz
TUN CLK
PD
1
FAN2
16
XIN
TUN DOUT
AIN
TU DIN/ST
17
6
11
75
SA-DT300(PP) BLOCK DIAGRAM
NJU7313AMT2
IC201
SIGNAL SELECTOR
2
(29)
X1
VEE
3
(28)
2
3
4
(27)
7
(24)
7
8
9
X8
VCR
(EXT)
10
(21)
Q901
POWER
SUPPLY
X7
10
12
1~11,
61~64
13
14
LEVEL SHIFT
R ch
ST
LATCH CIRCUIT
14
15
CK
SHIFT REGISTER
16
XIN
17
18
19
20
15
16
2
3
1
80
BU 5V
Q903
VREF+
X942
(10MHz)
BU 5V
D950
Z901
(REMOTE SENSOR)
KEY SWITCH
(S901~905)
VR ATT
MUTE F & SW
15
38
20
48
19
56
57
LED
DRIVE
MUTE F & SW
MUTE C & S
47
VR ATT
MUTE SW
64
MUTE C & S
PO DET
FL CS
LED STBY
REMOTE
CR TIMER
55
49
Q941
D946
68
DSP CS
18
DSP1 CS
DSP RST
17
DSP1 RST
DSP CLK
5
DSP CLK
DSP DATA
4
DSP DATA
F61
F61
ERR
79
AMP ERR
SHTDWN
72
AMP SHTDN
FAN DET
73
FAN DET
FREQ SHIFT
74
FRQ SHIFT
VOL LTCH
67
VOL LTCH
NJU CK
43
16
9
RESET
BU 5V
39
DA RST
DA RST
76
RST
KEY1
X OUT
X IN
10
VREF+
D941
40
C2CBJH000095
IC941
SYSTEM CONTROL
12
13
42
NJU ST
41
NJU DO
32
DVD REQ
26
DVD & AMP CLK
25
DVD DIN
24
DVD & AMP DOUT
DVD & AMP CS
VCC
AVCC
VREF
78
13
SL
27
77
14
MUTE SW
SL
22
R ch
SYNC
SR
17
FL
AC IN
FL
MD 5V
LED TIMER
A GND
Vss
DATA
19,
60
VCC
21
R ch
-VP
HP SW
FR
32
VP
C0HBB0000030
IC901
FL DRIVE
XOUT
16
24~31,
33~59
12
20
MIX L
-VP
HP
MIX R
OUT
CNT
DIG1~15
CNT
AMP PWR/13V
12
(19)
SUB
11
FL2
-B1
POWER
SUB
+B3
POWER
D GND
FL1
FL DISPLAY
11
(20)
PO DET
To SL-DT300
(CN1)
SWITCHING
FL901
SDATA
AMP REQ
X6
BUFFER
AMP
LED STBY2
DATA
IN
Q731,942
X5
NJM4558MTE1
IC202
FL SCK
SCLK
DVD 10V
9
(22)
8
(23)
6
6
(25)
SCK
5
X4
FL DATA
DC10V
X3
5
(26)
4
DC GND
15
DIG0
CS
VSS
RESET
CT.GND
X2
+B3
FL RST
CD REQ
TV IN
SL SYNC
1
-B1
30
CS
SYNC
VDD
SEG0
~34
CN301
1
MD 5V
VREF+
D904,905
(SELECT,
PWR / I)
Q904
LED
DRIVE
VREF+
D903
( PLAY/REC)
SA-DT300(PP) BLOCK DIAGRAM
40
LIN1
(RIN1)
49
TU B
Q305,314
37
VDDR
41
VDD
39
ELRI/O
43
EBCI/O
45
DIN2
DOUT
/CS
46
SYNC
48
DIN1
50
DIN0
DSP CS
DSP RST
R ch
I/RST
52
IFCK
IFDI
53
MUTING
2
VDX
MICU I/F
AUDIO SERIAL INTERFACE
VDA12
22
21
14
7
18
14
13
8
17
24
6
59
2
TST0
ADC
[CH1/2]
[CH3]
[CH4]
TST1
5
1
HP MUT
Q311
60
Q310
MUTING
61
3
MUTING
CONT.
4
12
DAC
DAC
DAC
ATT
MUTE C & S
ATT
AOT1
(AOT2)
VDA34
AO3
AI3
AOT3
AO4
AI4
AOT4
7
(18)
9
(15)
8
(17)
11
(14)
28
26
25
27
32
33
30
MUTE SW
DSP D5V
M62444FPE1
IC501
SOUND CONTROLLER
(VOLUME CONT.)
SUB
22
24
BUFFER
AMP
MUTING Q301
+B3
Q303 MUTING
BU4053BCFE2
IC301
SIGNAL SELECTOR
8
(32)
VNF3
VOUT3
PORT6
BB3
PORT4
VIN3
AVDD
TOUT3
42
7
GND1
TNF3
33
INT2(4)
7
8
VEE
SW CONT.
VSS
VDD
16
3
4
5
6
A
B
C
11
9
10
(30)
11
(29)
14
25
15
16
17
18
19
-7.5V
DSP A+B
NF
10
9
(31)
PORT1
2
CLOCK
MCU
I/F
INT1
DVDD
1
LATCH
Y/Z0
34
DATA
2
(5)
35
DGND
15
(4)
36
VIN2(4)
Y/Z1
37
VOUT1
1
(3)
38
VNF1
14
39
VIN1
X1
40
+B2
13
(26)
X0
13
41
TNF1
12
23
21
TIN3
FL
PORT2
20
PORT5
MUTING
CONT.
-B1
NF
12
(27)
GND3
NF
A IC301
TOUT1
ATT
CONT.
VOUT2
Q307
GND2
C IC301
Q309
VNF2
ATT
PORT3
Q304
NJM4558MTE1
IC303
TOUT2(4)
C2HBZC000013
IC601
DIGITAL SIGNAL
PROCESSOR
MUTING Q302(1/2)
+B3
MUTING
CONT.
AVss
X601
(36.8MHz)
BUFFER
AMP
TU B
Q315
TNF2(4)
24
AI1
(AI2)
+7.5V
NJM4558MTE1
IC304 (1/2)
BUFFER
AMP
Q302(1/2)
+B3
NJU CK
C IC301
A IC301
SL
CNT
MUTE F & SW
VR ATT
MUTING
VOL LTCH
23
AO1
(AO2)
21
TU B
NJM4558MTE1
IC304 (1/2)
GNDA1
(GNDA2)
VRO2
20
GNDA3
VR1
XO
VRO1
XI
4
-B1
MUTING
CONT.
OSC
3
10
Q306
GNDAL
ATT
9
20
+B3
VRAL
VDAL
(VDAR)
11
5
R ch
NF
NJU DO
OP
AMP
DSP D5V
SUB
13
23
BUFFER
AMP
R ch
GNDX
VRAL
(VRAR)
74
DSP D5V
19
M5218AP +B3
IC305
HP SW
GND
OUTL
(OUTR)
77
(78)
DSP D5V
CR NETWORK
NF
DELAY RAM
VRAL
76
(79)
13
NC
DSP
(I/O INTERFACE)
75
(80)
M62456FPE1
IC302
PRE AMP
HEADPHONE
LIN2
(RIN2)
68
(72)
54
LIN3
(RIN3)
67
(71)
IFDO
LIN4
(RIN4)
66
(70)
55
I2CS
58
65
(69)
57
/ERR
DSP DATA
DSP CLK
DSP D5V
SA-DT300(PP) BLOCK DIAGRAM
C0FBAK000008
IC024
24bit A/D CONVERTER
C0JBAB000423 C0JBAB000423 C0JBAD000153
IC017
IC019
IC018
NOR GATE
13
14
16
7
8
19
15
C0ZBZ0000650
IC011
DIGITAL AUDIO PWM PROCESSOR
4
Q001
9
47
46
45
OSC
CAP
18
+B2
23
XTL OUT
SWITCHING
1
XTL IN
SWITCHING
+B2
3
VALID R
Q002
VALID L
+B2
MCLK IN
X131
X132
PLL FLAT
OUT
17
R ch
20
SCKI
PDWN
TEST
VDD
DGND
AGND
6
9
FMT1
BYPAS
5
FSYNC
CLOCK &
TIMING
CONTROL
POWER SUPPLY
10
FMT0
VREF2
REFERENCE
LRCK
INVERTER
11
MODE1
4
Vcc
C0JBAZ001870
IC014
16
SDIN
34
PWM BP L
OSC
35
PWM AM L
MCLK OUT
19
+B2
PWM AP L
32
PWM BM L
PLL/CLOCK
GENERATOR
FREQ SHFT
33
AUDIO PORT
CONFIGURATION
SERIAL
INTERFACE
/MODE/
FORMAT
CONTROL
VREF2
REFERENCE
4
BYPAS
3
FTEST
STEST
MS
20
42
43
38
7
8
41
40
10
+B2
+B2
5
R ch
R ch
39 14, 12, 36 37
31 13, (25) (24)
15,
30
AVSS1/2
PDN
21
DVSS3 L(R)
RESET
7
D-TYPE
FLIP FLOP
MUTE
LRCK
MCLK
DEM EN
6
48, 44,
5
2
+B2
MUTE FRNT
+B2
RST
SCKI
VDD
AGND
DGND
Vcc
12
BCK
CLOCK &
TIMING
CONTROL
POWER SUPPLY
11
8
DEM SEL
DOUT
x164(x1/128)
DECIMATION
FILTER WITH
DC CUT
FILTER
VREF1
13
22
TC7WH74FUTL
IC020
5th ORDER
DELTA-SIGMA
MODULATOR
27
R ch
FMT
14
SINGLE-END
/DIFFERENTIAL
CONVERTER
MOD2
VINL(R)
MOD1
1(2)
26
R ch
CONTROL SECTION
MOD0
C0FBAI000009
IC022
16bit A/D CONVERTER
28
PWM BP R
LRCLK
DVDD3 L(R)
18
EQUIBIT
MODULATOR
DVSS1/2
SCLK
29
PWM AM R
BUFFER
DIGITAL
INTERPOLATION
FILTER
AVDD1/2
SERIAL
AUDIO
PORT
17
DVDD1/2
+B2
DBSPD
+B2
PWM AP R
PWM BM R
BUFFER
AMP
SW 5V
10
9
R ch
C0ZBZ0000650
IC012
DIGITAL AUDIO PWM PROCESSOR
4
C0JBAZ001870
IC015
C0JBAZ001870
IC016
8
BUFFER
BUFFER
28
MCLK IN
VALID L
VALID R
XTL IN
XTL OUT
OSC
CAP
PWM BP R
LRCLK
6
29
PWM AM R
EQUIBIT
MODULATOR
26
27
7
AUDIO PORT
CONFIGURATION
R ch
R ch
R ch
MUTE
RESET
PDN
FTEST
STEST
MS
42
43
38
7
8
41
40
10
+B2
39 14, 12, 36 37
31 13, (25) (24)
15,
30
AVSS1/2
DEM EN
20
AVDD1/2
DEM SEL
21
DVSS3 L(R)
MOD2
5
R ch
CONTROL SECTION
DVDD3 L(R)
SW 5V
DVSS1/2
10
DVDD1/2
LRCK
SCLK
MOD1
9
33
PWM AP R
BUFFER
DIGITAL
INTERPOLATION
FILTER
22
4
32
PWM BM L
SERIAL
AUDIO
PORT
17
CLOCK &
TIMING
CONTROL
3
34
PWM BP L
SDIN
35
PWM AM L
MCLK OUT
19
PWM AP L
OSC
SCKI
12
45
5th ORDER
DELTA-SIGMA
MODULATOR
POWER SUPPLY
11
46
MOD0
SINGLE-END
/DIFFERENTIAL
CONVERTER
47
16
18
BCK
FMT
BYPAS
48, 44,
5
2
+B2
MUTE REAR
+B2
SW 5V
DOUT
RST
BCK
SW 5V
LRCK
VINL
9
DBSPD
VREF2
SERIAL
INTERFACE
/MODE/
FORMAT
CONTROL
VDD
1
x164(x1/128)
DECIMATION
FILTER WITH
DC CUT
FILTER
REFERENCE
23
PWM BM R
DOUT
DGND
13
5th ORDER
DELTA-SIGMA
MODULATOR
VREF1
AGND
14
SINGLE-END
/DIFFERENTIAL
CONVERTER
VINR
1
PLL/CLOCK
GENERATOR
C0FBAI000009
IC023
16bit A/D CONVERTER
2
3
PLL FLAT
OUT
SW 5V
SW 5V
PLL FLAT
RET
SW 5V
Vcc
SW 5V
VREF1
SERIAL
INTERFACE
/MODE/
FORMAT
CONTROL
MODE0
3
BCK
x164(x1/128)
DECIMATION
FILTER WITH
DC CUT
FILTER
INVERTER
12
MCLK
1(2)
5th ORDER
DELTA-SIGMA
MODULATOR
PLL FLAT
RET
DOUT
SINGLE-END
VINL(R)
/DIFFERENTIAL
CONVERTER
SA-DT300(PP) BLOCK DIAGRAM
32
C0ZBZ0000647
IC005
TRUE DIGITAL AMP
30
LDR
BIAS A
DVss
PWDN
CONTROL/SENSE
CIRCUIT
BANDGAP
REFERENCE
ERR0
RESET
PVss
17
PVDDB1
BOOTSTRAPB
LDROUTB
PVDDB2
PWM BM
12
20,21
5
SHTDWN
+B4
D001
(D002)
4
ERR
19
17
BIAS B
PVss
PWM BM
BOOT STRAP
GATE DRIVE
PVss
LDROUTA
PVDDA1
+B2
BOOTSTRAPA
AHCT1G08DBV
IC007
30
AND
GATE
LDR
47
46
45
XTL OUT
OSC
CAP
PLL/CLOCK
GENERATOR
DOUT
BANDGAP
REFERENCE
ERR0
BOOTSTRAPB
LDROUTB
SCLK
+B4
LRCK
18
PWM BP
PWM BP R
BIAS B
26
PWM BM R
PVss
MUTE
RESET
PDN
FTEST
STEST
MS
22,23
BOOT STRAP
GATE DRIVE
DEM EN
22
OUTPUTB
DIFF
RCVR
DEM SEL
12
28
27
CONTROL SECTION
MOD2
PWM BM
29
PWM AM R
MOD1
15
33
PWM AP R
19
21
20
42
43
38
7
8
41
40
10
25
+B2
DVss
16
EQUIBIT
MODULATOR
LDR
DVDD
PVDDB2
32
BUFFER
DIGITAL
INTERPOLATION
FILTER
AUDIO PORT
CONFIGURATION
17
34
PWM BP L
LRCLK
SERIAL
AUDIO
PORT
MOD0
18
20,21
17
10
35
PWM AM L
SDIN
BCK
VRFILT
PVDDB1
CONTROL/SENSE
CIRCUIT
19
PWM AP L
OSC
DBSPD
ERR1
4
+B4
9
39 14, 12, 36 37
31 13, (25) (24)
15,
30
48, 44,
5
2
+B2
MUTE SUB
6
+B2
7,8,9
+B2
RST
SHUTDOWN
3
ERR
23
PWM BM L
24
RESET
5
SHTDWN
1
PWDN
14
+B2
3
XTL IN
PVss
13
4
SURROUND
SPEAKER
VALID R
BIAS A
26,27
BOOT STRAP
GATE DRIVE
VALID L
11
OUTPUTA
DIFF
RCVR
MCLK IN
PWM AM
+B2
PWM AP
2
C0ZBZ0000650
IC013
DIGITAL AUDIO PWM PROCESSOR
+B2
MUTE REAR
PLL FLAT
OUT
1
7,8,9
PLL FLAT
RET
C0ZBZ0000647
IC003(IC004)
TRUE DIGITAL AMP
25
28,29
PVDDA2
+B4
31
22,23
BIAS B
DIFF
RCVR
6
32
D003
+B9
19
LDR
FAN DET
+B4
20,21
OUTPUTB
PWM BP
12
25
PVDDB2
16
22,23
BOOT STRAP
GATE DRIVE
10
BOOTSTRAPB
LDROUTB
15
OUTPUTB
DIFF
RCVR
ERR0
18
+B4
BANDGAP
REFERENCE
CONTROL/SENSE
CIRCUIT
ERR1
VRFILT
PVDDB1
SHUTDOWN
3
LDR
PWM BP
15
10
DVDD
16
+B2
24
FAN DET
18
VRFILT
CENTER
SPEAKER
AVSS1/2
4
+B4
7,8,9
13
BOOT STRAP
GATE DRIVE
AVDD1/2
ERR1
26,27
BIAS A
DIFF
RCVR
DVSS3 L(R)
SHUTDOWN
3
ERR
11
RESET
5
SHTDWN
24
14
PWDN
14
+B2
PWM AM
FRONT HF/LF
SPEAKERS
PVss
13
OUTPUTA
PWM AP
2
26,27
BOOT STRAP
GATE DRIVE
DVDD3 L(R)
11
OUTPUTA
DIFF
RCVR
1
DVSS1/2
PWM AM
30
DVss
2
BOOTSTRAPA
LDR
PWM AP
DVDD1/2
1
28,29
PVDDA1
BOOTSTRAPA
31
LDROUTA
DVDD
+B4
PVDDA2
6
+B2
PVDDA1
C0ZBZ0000647
IC001(IC002)
TRUE DIGITAL AMP
+B4
28,29
LDROUTA
+B4
31
PVDDA2
+B4
32
SA-DT300(PP) BLOCK DIAGRAM
Q051
D714,715
+B4
T701
REGULATOR
C0DAZZC00003
IC051
D738
STABILIZER
C0CBABC00119
IC727
+B2
FAN DET
REGULATOR
C0CBAHE00002
IC725
C0CBAEE00004
IC728
+B6
TU B
D733
REGULATOR
REGULATOR
Q727,729,733
D729
L722
DSP D5V
D735
REGULATOR
/STABILIZER
DVD 10V
D711,712
REGULATOR
D752
SW 5V
D730
D751
C0CBAEE00003
IC729
C0CBADE00034
IC726
+B3
MD 5V
D705
D713
F1
POWER TRANSFORMER
C0CBADE00034
IC722
REGULATOR
REGULATOR
Q722,D732
L701
AC IN
RLY702
Z701
D734
FAN-B
STABILIZER
Q701
D728
RELAY
DRIVE
Q724,D736
C0CBADE00031
IC723
-B1
STABILIZER
-VP
REGULATOR
L721
DSP A+B
REGULATOR
Q726,D727
D740
D753
+B4
+B4
FL1
31
28,29
PVDDA2
LDROUTA
PVDDA1
F61
32
BOOTSTRAPA
11
Q702
OUTPUTA
DIFF
RCVR
BIAS A
SUB WOOFER
SPEAKER
RESET
ERR1
4
BU 5V
BANDGAP
REFERENCE
PVDDB2
16
NOTES
DIFF
RCVR
: FM SIGNAL LINE
: FM OSC SIGNAL LINE
: AM SIGNAL LINE
: AM OSC SIGNAL LINE
: AUDIO SIGNAL LINE
BOOT STRAP
GATE DRIVE
BIAS B
PVss
6
+B2
25
(
) indicates pin No. Right channel.
DVss
12
22,23
LDR
DVDD
PWM BM
D004
+B4
19
OUTPUTB
PWM BP
15
20,21
REGULATOR
10
BOOTSTRAPB
LDROUTB
17
VRFILT
PVDDB1
CONTROL/SENSE
CIRCUIT
ERR0
18
C0ZBZ0000647
IC006
TRUE DIGITAL AMP
Q704
7,8,9
FAN DET
SHUTDOWN
3
+B4
T702
24
PWDN
5
ERR
SWITCHING
SYNC
D701~704
13
14
SHTDWN
26,27
BOOT STRAP
GATE DRIVE
PVss
+B2
D710
POWER
TRANSFORMER
PWM AM
FL2
30
SL SYNC
PWM AP
2
FL DISPLAY
(FL901)
Q721
POWER
LDR
1
STABILIZER
SA-DT300(PP) BLOCK DIAGRAM
A
FL P.C.B.
C
B
C904
Q904
C
R913
H
E
D903
MAIN P.C.B. (SIDE:A)
E
IC723
2
R741
D736
3
1
C726
B
C
E
R728 C723
(C732)
B
(D713)
(D712)
C739
3
1
2
C744
(D711)
E
Q452
IC728
C
R725
IC729
2
B
Q451
(Q724)
Q721
(C727)
C
E
R727
R451 C459
C
B
R454
D453
R453 C458
C754
D725
3
1
2
3
(R733)
E
Q727
R732
B
D731
(R738)
R313
(C310)
L721
(R739)
D737
(D728)
R731
(D734)
(R730)
(C730)
(C742)
C
(R713)
(Q722)
B
C
E
1
(Q729)
B C E
(Q733)
B C E
(D733)
(D735)
1 2 3
(C728)
C740
C735
(C736)
R466
Q455
E
C
C752
D732
(C457)
(CP702)
7 6 5 4 3 2 1
(L604)
S901
(REP3323J-M)
(C605)
13
(C607)
RJ2
25
R309
R311
R301
R303
C301
R304
L
IC201
20
R
30
C215
R
TV
IN
VCR(EXT)
OUT
R302
C302
C308
L
R
Q301
(JK301)
L
C305
C306
R307
R308
R306
R305
C309
R515
C212 16
C211
C214
R312
15
1
C307
C213
1
4
R208 R204
C206 C202
R206
C204
10
5
1
R310
IC202
3
2
R201
5
5
4
C209
8
7
6
R205
C501
RJ10
R507 C504
R511
42
C505
40
R214
R213
C203
R207 C201
C205 R203
To SL-DT300
9
8
R215 R212
R216
R209 R211
R210
(C207)
(C208)
C210
1
11
10
(C508)
(C520)
C519
(C514) R516
(C525)
R414 R409
R413 R410
(C603)
RJ6
(C602)
(C606)
R506
C507
C502
C512
C517
(C506)
R527 R512
C516
(C604)
(C647)
(C601)
R502
R503
R504
R606
(C515)
R430
(C646)
RJ12
RJ13
C356
C644
C643
(C628)
(C615)
17
16
C303
C304
IN
E1B1C2
RJ1
C358
(CP301)
11 10 9 8 7 6 5 4 3 2 1
C373
C374
RJ14
R993 R991 R989 R987
CN902
1
2
3
1
5
6
7
8
9
10
RJ15
D905
(X942)
I
O G
RJ16
R946
J
19
18
15
E1B1C2 C1B2E2
C902
C901
20
R355
R404
R405
R406
(CN902)
1 3 5 7 9
2 4 6 8 10
Q302
R368
R360
RJ8
R425
C379 R315
(C332)
(C331)
C763
C1B2E2
W705 W706
C949
RJ9
R521
E R314
Q314
R472
R426
(C335)
(C367)
E2B2C1
C
C527
35
(CN301)
14
R218
R217
R219
1
5
R365
(C361)
3
R366
30
R359
(C359)
5
2
22 25
R371
(C362)
7
4
10
R508
IC501
R374
(C363)
6
(C531)
R429
(C629)
(C631)
Q305
24 22 20 18 16 14 12 10 8
B
R958
RJ74
R390
R391
(CN720)
D754
C522 C528
20 15
21
D501
2 1
R334
C2B1E1
D727
R959
R998
C948
3
R333
(C750)
RJ72
C944
(IC305) R393
R510
(C511)
RJ3
R747
D757
25 23 21 19 17 15 13 11 9
RJ17
(CN451)
2 1
R389
R336
3
4
(C321)
2
1
C318
R402
R335
(C322)
R716
6
7 8
(X601)
R419
R408
R407
R411
RJ7
R412
R421
12
R427 R428
C317
5
16
R382
15
R471
D946
R861
R981
C957
C943 R978
C312
C755
IC725
D941
R951
R952
R954
R953
R941
R956
R957
R968
R970
B
R398
(C368)
L941
R973
D950
R869
R925 R830
R927 R829
R928
R948
R947
10
C625
(C731)
(C757)
R955
C955
R983
R974
RJ18
C
E
R397
(C370)
(C711)
E
R441
(C378)
(D738)
(D715)
(Q726) C722
B
(D740)
C724
C
E
R729
Q315
RJ11
IC301
9
C
C311
C
(D714)
(CN901)
12 10 8 6 4 2
11 9 7 5 3 1
R984
D945
B
1
R526
(C618)
R740
(C619)
C751
(L722)
C761
(C952)
2
C733
C
(C950)
Q941
3
B
Q310
C
R394
R442
C749
J
D904
B E
E
B
1
C620
R909
R910
A
R401
Q307 Q309 E
1 2 3
C756
(WA722)
4
(C745)
(C710)
S902
J
3
1
C357
R525 8
5
(C746)
(WA721)
5 4 3 2 1
6
C
R
B
3
1
C762
(C626)
IC727
J
C
2
C748
R919
D
IC722
2
C914
E
IC726
R422
R905
J
R917
R918
RJ601
J
J
F
N
12
11
FL901
10
60
9
8
59
7
6
58
5
4
57
3
2
56
1
55
54
C905
C908
53
52
51
50
33
32
49
35
30
48
47
46
40
25
45
C910
44
45
20
C911
43
42
C912
IC901
15
50
41
40
55
10 C913
39
RJ504
38
37
5
60
36
64
1
35
34
C906
33
C907
32
RJ503
31
30
29
RJ502
28
27
J
26
25
RJ501
24
R906
23
22
R907
J
21
R902
J
20
R903
19
Q901
R904
B
18
C
R908
E
17
16
R901
15
14
J
13
12
J
11
D902
10
D901
9
8
J
7
6
Q903
5
C
C
E
4
B
B
3
R
E
C
2
R911
R921
1
R920
R909
R912
B
D751
E
RJ73
(C753)
CN901
R737
D906
C
B E
(D457)
C920
(C456)
R922
C
B
Q454
R465
(R468)
(C454)
J
C909
E
R467
R452
B
VR901
R723
C903
D456
D451
N
G
Q453
C
J
7
6
5
4
3
2
1
RJ5
Q456
CN903
R839
J
(REP3348A-S)
SA-DT300(PP) FL, MAIN(SIDE:A) P.C.B.
1
2
3
4
5
6
7
8
9
10
11
12
13
C
MAIN P.C.B. (SIDE:B)
H
CP702
D729
1 2 3 4 5 6 7
D753
D752
C456
C457
R468
D457
D711
D712
D735
2 1
C728
Q722
B
C
E
C753
3
C730
D728
C310
D734
L604
C745
80
IC941
B E
20
D948
R860R854
C1B2 E2
D947
10 15
R932
21
1 5
C951
R912
R911
25
C
G O
X942
30
75
Q942
I
R937
35
70
C942
R922
40
65
R963
R964
R966
R918
R988
R995
RJ30 R996
R942
61
CN902
9 7 5 3 1
10 8 6 4 2
CP301
1 2 3 4 5 6 7 8 9 10 11
45 41
R938
Q731
E1B1C2
RJ55
E701
R930
R929
R855
R851
R931
R939
C750
C331
R528
W705
RJ31 C941
R960
RJ32 C956
R999 R944
RJ56 D949
R997
R962
R919
R924
R990
R994
R926 R923 R871
C380
R316
W706
R982
R971
R967
R870 R950 60 55 50
R992
9 11 13 15 17 19 21 23 25
R936
R935
R920
C953
R933
R977
C947
R856 R914
R857
R858
R852
R872
R853 R859
7
R943
R961
C954
6
5
R866
CN720
8 10 12 14 16 18 20 22 24
R969
R863
R865
C757
R945
3
C952
R980
D715
Q726
B
C
E
C721
R720
10
R530
4
2
C343 12
C330
C326 R342 C342
D303
R351
R340
R352
C324
D302
R338
R529
D740
C731
1
WA722
2 3 4
CN901
2 4 6 8 10 12
1 3 5 7 9 11
C711
C329
C335
C337
C336
R343
R344
C322
C339 R345
C338
C333
R354
R346R347
R350
R330
C334 C340 R423
C321
RJ34
RJ35
5
1
D756
R349
6
R972
C368
R341
15
WA721
3 4 5
C370
13
20
2
C950
5
IC305
IC302
1
6
C332
C365 Q306
E
C
RJ53
B
R377
R376
24
7
R399
B
C327
R339
C525
C363
R367
C371
C531
E
C367
C352
R372
C
C328
D304
L722
D714
1 2 3 4
R328
C316 C314
C320 R332R326
R400
CN451
1 2
IC304
C323
C325
C520
C359
Q311
C355 R379
R369 R378
R370 RJ36
RJ54
C631
C629
C619
R323 C618
C639
C632
R617
C640
C633
C610
R607
C612
C617 C613
R610 R609
R614 R613
C615
8
8
R424
D722
B
C712
R721
R
C345 C349
R358
C514
C508
C361
RJ44
RJ43
R
IN
5
8
1
C710
RJ51
C378
R519
C353
1
RJ39
R520
R523
L
5
4
R337
R392 R383 D301
R417
R202
R418
OUT
C347
1
C746
D738
C319 R331R325
C511
RJ37C350
C348
IC303
R
L
Q303
R329 R327 C315 C313
R375
R364 R362 R373
4
RJ38
R356 C344
L
VCR(EXT)
C
R363
RJ41
C208
RJ42
JK301
TV
IN
C515
C506
C207
1
C346
R322
C2Q304
R386
B1
E1 R387
R324
C2 R385
B1 R384
E1
X601
2
D
24
E2
B2
R620 C1
RJ52
R618R619
E2
25
B2
C1
C621
C622
L601
RJ40
4
15
C616 C624 20
C628
C648
6
3
10
C641
L603
C637
C646
7
5
5
C351
C607
8
80
1
R605 C609
C362
R420
10
9
R357
11
To SL-DT300
30
75
C608
RJ45
12
IC601
C647
14
13
C605
E
RJ47
R415
R416
RJ48
16
15
L602
C611
C630
C626
R621
64
C623C614 45
41
R601
R602 65
60 55
50
40
R622
R603
R604
35
70
C635 R321
C601
18
17
C604
20
C606
RJ46
C603
CN301
19
C602
R608
R611
R612
R616
R615
RJ49
R713
R730
R738
RJ50
D733
2 1
3
R739
C742
Q733
E C B
C736
C747
D713
C727
C732
F
R733
E702
Q729
E C B
N
G
N
Q724
B
C
E
C454
D730
A
SA-DT300(PP) MAIN(SIDE:B) P.C.B.
1
2
3
4
5
6
7
8
9
10
11
12
13
H
D
DIGITAL AMP P.C.B. (SIDE:A)
DIGITAL AMP P.C.B. (SIDE:B)
CN102
R051
D051
R052
D052
R009
C1004 C1003
C1002 C1001
R007 C025
C057
C095 C055
C1008 C1007
C1006 C1005
R019
C096
C058
C1012 C1011
G
C1010 C1009
C097
D004
R038
C085
R027
C086 C098
R030
C099
R037
C076
C088
C089
R033
D003
C084
C078
C082
C068
R035
C075
C067
G
R028
C056
R018
R020
C087
R029
C077
C083
C081
C069
RJ009
C070
Z001
C135
R167
R191
C134
C133
(REP3326B-T)
RJ010
5
C132
1
IC016
C199
R137
R138
3
4
C193
C175
C184 C198
C185
C1015
C155
14
C093
C027
R010
C028
C048
C1043
C046
C052
C054
C038
C040
RJ005
R134
C128
R190
R153
R154 5
10
R128
R155
C177
16 C112
7
6 Z002
24 20 15
15
R126
12
IC020
5 4 C Q001
25
1
8
R124
10
10C110
30
B E
4
5
IC013 5
C138 1 3
IC019
IC017 C137
35 36
5
1
1
5 E
C1
5
48
R159
B
1
3
4 B
3740 45
4
C
E 3
Q002 IC018
R139 R140
X131
X132
G
C094
R008 C026
C030
D002
R032
C016
C047
C045
C1042
RJ007
R165
C143
IC023
C100
R055
R054
R031
R036
D001
C018
C059
C017
C024
C008
C022
C051
C131
C153
C1016
C039
C154 C160
C183 R152
C182
C197
C
RJ008
C156
(Q051)
G D S
A
R017
IC015
C1013
R166
C144
1
1
5
3
(IC051) R
C037
1
4
6
C157
30
32
C053
RJ004
Z003
5
C010
RJ003
2
C1041
R034
C009
RJ001
RJ002
R132
C127
C181
C180
5
R142
C190
IC005
R127
16 C111
15
R125
R123
10 C109
C1040
C015
R180
4
E001
1
10
R131
IC006
Z005
Z008
C150
C149
R101
R130
5
4
C126
C1030
L110
30
32
C072
B
10
5
35
1
36
48 R158
37 40 45
C123
R1031
17
20
25
R024
D1031
C091
C1031
C066
R026
C080
C074
SUB
WOOFER
3
C071 C195
R1030
(CN101)
1
IC014
C136
L109
L112
G
11
IC022
R143
C191 C192
C1028
C073
25
R1029
25
17
20
D1029
D1030
IC012
1
C079 3
R122
CENTER
30
12
IC007
C1029
C
C061
R021
C063
C064
C062
R022
R1028
C065
15
3
7
24 20 15
R121
L111
JK101
1
C042
D1028
G
(R ch)
5
30
32
C125
C1026
D1027
R118
16 C108
15
R116
R114
10 C106
R112
R014
L106
R1027
SURROUND
IC004
25
C1027
(L ch)
C044
C036
R016
C050
17
20
R150
R151 5
C122
L108
R1026
D
R136
C041
C161
C158
C043
L105
R1025
D1026
R025
(R ch)
C1025
C031
R011
C033
C032
R012
C034
G
D1025
R111
C1024
R1024
C035
IC024
R129
R188
R102
30
32
C012
D1024
L107
(L ch)
10
R147
R148
R108
R149
16 C104
24 20 15 13
15
R106
12
R141
25
C196
R104
10
10
C159
30
C1014
IC011
5
C102
5
35
1
36
37 40 45 48 R157
1
R164
C142
C049
R163
R117
C141
16 C107
17
15
R115
C152
20
R113
10C105
C151
IC003
25
C189
5
30
1
14
32
1
C121
D1023
5
1
R015
C1023
L102
20
1
C124
IC002
1
2
C162
C194
R013
C014
17
20
25
R1023
FRONT
HF/LF
C1020
C020
C1022
L104
SPEAKERS
30
32
C011
R1022
E
5
3
4
C186
L101
IC001
25
C1021
R1021
C006
R005
D1021
D1022
R107
16 C103 C188 C140 R162
15R105
C187 C139 R161
R103
10 C101
17
20
R003
C005
C019
R023
F
R053
D1020
C013
R
A
C
C001
R001
C003
IC051
R1020
1
R006
S DG
2
C002
R002
C004
R057
R056
Q051
L103
CN101
3
R004
R058
R181
R184
R183
R182
R178 R177R176R175
G
5
6
C023
7
8
C021
9
24 22 20 18 16 14 12 10
C007
8 10 12 14 16 18 20 22 24
RJ006
6
Z007
4
(CN102)
25 23 21 19 17 15 13 11
9 11 13 15 17 19 21 23 25
R179
2
7
Z006
5
C130
3
Z004
1
R144
C129
D
A
SA-DT300(PP) DIGITAL AMP P.C.B.
1
2
3
4
5
6
7
8
9
10
11
12
13
H
B
HEADPHONE P.C.B.
JK901
C918
C917
F
6
AC IN P.C.B. (SIDE:B)
(RL702)
3
1
F
AC IN P.C.B. (SIDE:A)
4
4
RL702
1
1
(W1)
4
W1
G
(T702)
(POWER TRANSFORMER)
R718
D710
C702
Q702
C
B E
R705 R706
7
6
5
4
3
2
1
(CN710)
(CN713)
CN713
W3
D703
(F1 2.5A)
C708
(C708)
7
6
5
4
3
2
1
R709
Q704
B
C
E
C709
(C709)
C704
FC2
(FC1)
FC1
C706
(C706)
(D705)
(W1)
W1
(L701)
D705
L701
(CN709)
FP701
(FP701)
CN709
CN708
C707
D
(Q704)
B
C
E
R711 R708
(R709)
POWER TRANSFORMER
P.C.B. (SIDE:B)
T701
(POWER TRANSFORMER)
R717
C705
D708
E
(R710)
POWER TRANSFORMER
P.C.B. (SIDE:A)
CN702
Z701
(FC2)
(D704)
E
(Z701)
(W3)
(D703)
(C704)
R710
(CN702)
D704
R704
(REP3348A-S)
CN710
T702
(POWER TRANSFORMER)
R715
CN904
E
C701
E
7
6
5
4
3
2
1
F
D709
B
1
3
2
F1 2.5A
2
C
R702
R703
C916
3
2
Q701 3
(C701)
Z901
(CN708)
R701
(R701)
CN707
(CN707)
CN706
(CN706)
(W5)
CN705
W3
(CN714)
CN714
(FP702)
FP702
C
(W3)
W5
JK701
(JK701)
W5
(W5)
(CN705)
(CN704)
R712
(R712)
CN704
CN703
(CN703)
(REP3323J-M)
AC IN
(120V 60Hz)
B
WB722
4 3 2 1
6
WB721
5 4 3 2
1
1
(WB721)
2 3 4 5
(WB722)
6
1
2
3
4
(REP3323J-M)
A
SA-DT300(PP) HEADPHONE,POWER TRANSFORMER,AC IN P.C.B.
1
2
3
4
5
6
7
8
9
10
11
12
13
NOTE:
The number which noted at the connectors on the schematic diagram as
" SCHEMATIC DIAGRAM-1 " or " SCHEMATIC DIAGRAM-2 "
indicates the schematic diagram serial number located on the left corner in the schematic diagram.
SCHEMATIC DIAGRAM-1
A FL CIRCUIT
:NEGATIVE VOLTAGE LINE
:POSITIVE VOLTAGE LINE
C MAIN CIRCUIT
:AUDIO SIGNAL LINE
:FM SIGNAL LINE
:AM SIGNAL LINE
FL901(A2BC00000048)
H
FL DISPLAY
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56
A B C D E F G H I
J K L M N O P Q R S T U V W X Y Z a b d e
f
g h
i
j
k m
M
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
a
b
d
R918
150
-23V
-18.3V
-18.3V
-27.7V
-18.3V
-18.3V
-20.6V
-25.2V
-25.2V
-25.2V
-30V
-20.6V
-25.4V
-30V
-27.8V
-30V
-23V
-25.4V
-30V
-27.8V
-30.1V
-25.4V
-23V
-20.7V
-20.7V
4.2V
-20.7V
-30.1V
-30.1V
-27.8V
G
-25.4V
RJ501
0
L
RJ601
0
C904
25V22
J K L M
C902
25V22
A B C D E F G H I
59 60
C903
25V22
C901
25V22
1 2
R917
150
RJ5
0
B
5.9V
R304
1K
30
0V
29
0V
28
0V
27
26
0V
0V
25
24
23
0V
R
0V
21
20
0V
19
2
3
4
5
6
7
C301
100P
E
2
3
4
5
6
7
2
-6.2V
NC
3
4
0V
5
0V
6
0V
7
8
0V
9
0V
10
0V
11
0V
0V
ST
13
12
14
0V
R209
2.2K
C214
0.1
F
A B
Vss
15
0V
R215
5.6K
S
R311
3.3K
C305
100P
CK
8
R312
3.3K
C306
100P
R309
12K
C916
0.01
0V
16
8
VEE
Lch
0V
17
DATA
SIGNAL SELECTOR
1
1
1
0V
18
IC201
NJU7313AMT2
D
R310
12K
R217
4.7K
R218
4.7K
0V
22
TV IN
2
R214
2.2K
R213
2.2K
R216
5.6K
C
NC
1
Lch
Z901
B3RAD0000035
REMOTE SENSOR
0.047
A
VDD
C
Rch
C918
E
Q
JK301
G
H
I
F
D
B
3
C358
0.1
C307
0.01
0.047
E
R303
1K
B
C917
F
0
0
B
HEADPHONE CIRCUIT
1 2 3 4 5 6 7
A
R203
56K
R205
27K
R308
3.3K
A
JK301
CN904
R211
2.2K
R207
82K
OUT
1 2 3 4 5 6 7
JK901
HEADPHONE
5.9V
A
Rch
CN903
C207
50V4.7
RJ44
RJ43
D.GND2
0V
C205
33P
C212
47P
0.1
VCR(EXT)
HP.GND
0V
C203
330P
N
Lch
D.GND
8
M
R305
12K
LED DRIVE
2
3
6
4
5
7
1
0V
R201
2.2K
7
C213
47P
Q904
UN521MTX
1
R219
4.7K
0V
2
6
R306
12K
C302
100P
D903
SELS5923C
(WAKE)
R911
270
5
C201
330P
F
A
B
C
E
3
IC202
NJM4558MTE1
N
O
P
RJ504
0
100
0V
BUFFER AMP
IN
R922
100
0V
4
Rch
RJ503
0
0V
R210
2.2K
5.2V
-6.2V
A
J
K
L
M
JK301
R920
100
LED DRIVE
0V
R212
2.2K
C211
47P
VP
RJ502
0
C208
50V4.7
C210
0.01
SEG25
SEG27
-30.5V
-25.3V
G
Q903
XN0450100L
CN902
R204
56K
SEG24
SEG28
100
G
H
I
J
K
L
M
N
s. 0.5V/DIV.
C202
330P
SEG23
SEG29
-30V
-18.3V
H
I
J
K
L
N
0.5
1
2
3
4
5
6
7
8
9
10
C206
33P
2.2K
SEG22
SEG30
3.3K
3.3K
3.3K
MA111TX
0.9V
P-P
1
2
3
4
5
6
7
8
9
10
R208
82K
L
R839
10K
R202
SEG21
SEG31
-25.4V
-16V
0V
s. 2V/DIV.
CN902
STOP/ PLAY
R206
27K
C204
330P
E
F
G
H
C215 0.1
SEG20
SEG32
4.6V
C209
0.01
E
R307
3.3K
R913
560
R912
330
R909
D904
SELS5923C
(SELECT)
B
C
D
E
F
M
D
D905
B3AGA0000079
(PWR / )
C
A
R302
100K
3.7V
4.4V
e
R301
100K
5.2V
STOP/ PLAY
5V
)
f
C
C
D
D
C308
0.01
0V
-13.6V
-13.6V
R904
R903
R902
D901
0.3V
g
R919
100K
R921
S901
(PWR /
h
FL DRIVE
0.5
C907
0.1
R910
820
i
IC901
C0HBB0000030
56P
33K
56P
33K
56P
33K
D902
MA111TX
C911
0.01
C906
0.01
C909
6.3V100
-27.9V
C905
10V4.7
S902
(SELECT)
j
A
B
1
2
3
4
5
6
7
8
9
10
11
12
C309
0.01
SEG19
SEG33
C912
R906
C913
R907
C914
R908
7ms.
R901
22K
FL DRIVE
k
C910
39P
-27.8V
Q901
UN521MTX
Vss
XIN
-23V
4.3V
1.9V
P0
P1
SCK
5V
0V
-30V
m
4.2V
D
D906
MAZ80510LL
SEG18
SEG26
SEG17
SEG34
XOUT
SEG35
Vcc1
SDATA
2.6V
3.7V
3.4V
4.2V
-27.8V
K
J
STOP/ PLAY
T
-27.6V
-27.6V
I
CN901
1
2
3
4
5
6
7
8
9
10
11
12
C304
100P
H
CN901
3
C303
100P
G
2
C920
F
1
C908
0.01
E
27K 1.9V
D
R905
C
-27.6V
-27.6V
B
CS
DIG2
A
E
RJ49
0
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
DIG0
DIG3
9
DIG1
DIG4
8
-27.6V
DIG5
7
-27.6V
6
-27.6V
DIG6
RESET
SEG16
SEG15
SEG14
SEG13
SEG11
SEG12
SEG9
SEG10
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
SEG2
SEG1
SEG0
Vcc2
SEG39/ DIG15
5
-27.6V
DIG7
SEG38/ DIG14
4
-27.6V
3
-27.6V
2
-27.6V
DIG8
7ms.
DIG9
T
1
F
VR901
(VOLUME)
5V
0V
-30V
DIG10
SEG37/ DIG13
STOP/ PLAY
DIG11
SEG36/ DIG12
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
SA-DT300(PP) FL,HEADPHONE,MAIN CIRCUIT DIAGRAM
1
2
3
4
5
6
7
8
9
10
11
12
SCHEMATIC DIAGRAM-2
C MAIN CIRCUIT
:NEGATIVE VOLTAGE LINE
:POSITIVE VOLTAGE LINE
To TUNER CIRUIT(CP301)
on SCHEMATIC DIAGRAM-10/9-A
SYNC
CD REQ
CT.GND
CS
DC10V
D.GND
SCLK
DATA
AMP REQ
V.GND
SUB
CNT
AMP PWR
MIX Rch IN
MIX Lch IN
FR IN
A.GND
FL IN
SR IN
SL IN
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
:AUDIO SIGNAL LINE
11 10 9 8 7 6 5 4 3 2 1
CN301
CP301
R409
3.9K
2.4V
C606
50V4.7
RJ18
0
C608
1
5V
g
4.7K
L604
C630
1
C626
10V220
DIGITAL SIGNAL
PROCESSOR
FM/ AM
FM/ AM
0.8V
P-P
3.5V
P-P
F=1MHz
F=1MHz
2.4V
2.4V C635
C641
1
1
2.5V
A
4.9V
2.5V
2.4V
2.4V C633
B
1
4.7V
1.5V
1.2V
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
R605
47
f
-6.2V
IC601
C2HBZC000013
L603
4.9V
Lch
32
0V
0V
29
28
27
Rch
0V
26
-6.3V
25
Rch
5.7V
24
AVss
0V
23
B
A
C
DVDD
10
11
0V
0V
C515
16V10
12
0V
13
0V
16
0V
17
0V
18
0V
C531
50V2.2
19
5V
R521
4.7K
AVDD
0V
0V
2
3
0V
4
0V
C629
6.3V47
C631
6.3V100
C628
6.3V100
C617 C622
2200P 2200P
-6.2V
5
Z1
6
7
C620
0.01
C625
0.01
C624
0.1
C632
0.01
R617
270
8
INH
Z0
R382
100
Y0
Vss
G
RJ12
0
IC301
BU4053BCFE2
RJ10
0
SIGNAL SELECTOR
21
5.8V
VDD
5.8V
4.9V
X1
13
14
15
16
0V
0V
0V
A
0V
C
B
11
X0
12
10
4.8V
t
9
4.8V
4.8V
C644
1
B
A
R429
R427
A
4.7K
4.7K
R430
22K
B
R528
22K
B
20
5.8V
R620
1.2K
A
0V
n
p
q
C516
220P
R523
4.7K
A
0V
R512
12K
C522
47P
R519
390
9
0V
R520
4.7K
C511
16V10
C507
220P
8
C528
0.1
7
0V
D501
MAZ80510LL
C506
16V10
6
0V
R527
3.3K
5
0V
C512
1
4
0V
R510
0
R508 3.3K
R502
22K
3
0V
R506
12K
C502
1
0V
R503
100K
2
1
DGND
14
15
C643
1
C356
0.1
GND
C616
0.1
RJ13
0
Y1
PORT3
LATCH CLOCK
PORT2
DATA
SMCH
PORT1
SMCH
C621
5.7V
22
OUT PUT PORT
CCH
C615
6.3V100
C357
0.1
C527
0.01
O
1
CCH
C612
12P
C610
5P
0V
30
R504
100K
RJ74
0
C525
50V3.3
0V
31
GND3
C618
16V10
C640
2200P
33
GND2
R610
1.2K
5.8V
R619
1.2K
C639
2200P
0V
34
C520
16V10
C519
100P
R609
270
N
R526
100K
AVDD
0V
35
R530
22K
C619
16V10
R525
100K
36
R529
22K
R614
1.2K
R613
270
R606
1M
PORT3
0V
37
m
r
PORT2
38
Lch
3.3K
0V
39
k
PORT1
R511
SOUND CONTROLLER
(VOLUME CONT.)
0V
0V
40
R516
12K
R515
C508
16V10
C505
100P
0V
41
IC501
M62444FPE1
C517
1
3.3K
C501
1
R507
12K
5.8V
42
RJ6
0
C514
50V3.3
C504
0.1
RJ11
0
j
i
M
R618
270
B
R428
22K
u
N
C613
1
X601
(36.86MHz)
RJ41
0
R607
220
C609
0.01
G
C648
0.1
1
A
2.4V
4.9V
4.9V
2.5V
C607
50V4.7
C601
6.3V100
B A
C
5.2V
4.9V
0V
0V
5.2V
R604
1K
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
C637
0.01
C605
50V1
L601
R603
1K
R421
100K
R410
3.9K
RJ14
0
RJ15
0
R422
2.2K
C604
50V1
ELR I/ O
SYNC
GND R
VDDR
NC
GND A4
NC
AI4
AO4
NC
AOT4
NC
VDA34
AOT3
AO3
AI3
2.3V
R601
1K
M
L
2.5V
2.4V
C602
50V1
2.4V
2.4V
2.4V
1K
LIN4
LIN3
LIN2
LIN1
RIN4
RIN3
RIN2
RIN1
NC
GNDAL
OUTL
VRAL
VDAL
VDAR
VRAR
OUTR
2.5V
R622
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
2.4V
2.4V
R414
22K
RJ7
0
50V1
R602
1K
NC
NC
NC
TST1
TST0
GND
I2CS
/ ERR
NC
IFDO
IFDI
IFCK
/ CS
NC
/ RST
VDD
DOUT
NC
DIN0
DIN1
NC
DIN2
NC
EBC I/ O
2.4V
2.4V
C603
50V1
C647
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41
R621
1K
R413
22K
C374
2200P
C373
2200P
2.7K
33K
33K
C646
50V1
R417
R406
R405
R418
2.7K
H
I
L
RJ48
0
C623
0.022
GND AR
VDX
XI
XO
GND X
NC
GND A1
AI1
AO1
NC
AOT1
NC
VDA12
AOT2
AO2
NC
AI2
GND A2
NC
VRO1
VRI
NC
VRO2
GND A3
10V
8.2K
47K
47K
F
L602
4.9V
2.5V
2.4V
4.9V
2.5V
6.8K
1K
5.6K
9V
R616
R608
330
C611
0.022
C614
0.01
330
330
R611
R612
RJ50
0
G H
R416
8.2K
E
L
6.8K
5.6K
5.6K
D E F
RJ42
0
R415
R355
R404
J K
R615
100K
R411
R408
R407
W X
R412
V
C346
U
R420
R419
0.1
I
F
H
I
:AM SIGNAL LINE
:FM SIGNAL LINE
CL
DO
DI
Lch IN
CE
Rch IN
NC
+B(2)
SD
NC
T.GND
To SL-DT300 (CN1)
SA-DT300(PP) MAIN CIRCUIT DIAGRAM
13
14
15
16
17
18
19
20
21
22
23
24
F
C349
0.01
R359
100K
RJ2
0
R360
1K
C344
100P
C352
100P
5
6
7
0V
8
0V
R369
68K
5.9V
R370
3.3K
R368
1K
C362
16V10
T
R371
100K
C355
22P
C367
16V10
U
Q306
UN5115TX
Y
RJ54 RJ51
0
0
C957
10V10
C312 R326
10V4.7 3.3K
P
5.1V
R332
100K
IC305
M5218AP
C316
22P
BUFFER AMP
R328
39
R330
0
V
MUTING
0V
R384
1K -6.2V
5
2
6
0V
1
RJ52
-6.2V 0
0V
R323
470
0V
R869
1K
3
7
8
0V
C311 R325
10V4.7 3.3K
C317
0.01
R386
1K
0V
-6.1V
4
C320
1000P
Q303
B1GFGCAA0001
ATTENUATOR
0V
R385
1K
R324
470
Q304
B1GFGCAA0001
C318
0.01
N
0V
C315
22P
R327
39
5.9V
W
R329
0
X
5V
R331
100K
C313
100P
C319
1000P
R389
3.3K
C371
10V10
R394
3.3K
0V
R393
3.3K
MUTING CONT.
5.1V
-6.2V
C370
50V4.7
MUTING CONT.
5.1V
-6.1V
R441
22K
MUTING CONT.
0V
Q307
UN5115TX
C378
50V4.7
Q315
UN5115TX
R397
22K
O
-6.1V
R399
10K
R377
22K
RJ39
0
-6.2V
g
ATTENUATOR CONT.
0V
-6.2V
Q311
B1ABGC000001
MUTING CONT. R376
-6.1V
5.1V 3.3K
C365
16V2.2
R367
1K
C314
100P
Q
R400
1K
R379
18K
u
Q309
UN5115TX
R401 MUTING CONT.
3.3K -0.4V
-6.1V
0V
i
A
B
C
n
R
1K
1K
1K
Q310
UN5115TX
MUTING
0V
1
0V
0V
R983
4.7K
1K
0V
2
Q302
B1GFGCAA0001
-6.2V
RJ37
0
-6.2V
S
R372 RJ36 C363
1.5K 0
16V10
0V
3
R378
5.6K
0
R988
R995
R996
RJ1
0
C359
16V10
-6.2V
E
R990
1K
R994
4.7K
U e b T C D
0V
S
C351
100P
RJ30
R357
3.3K
R373
18K
-6.1V
4
R366
39K
a
0V
5.9V
C353
22P
BUFFER AMP
O
H
P
R942
22K
C345
22P
IC304
NJM4558MTE1
R375
2.7K
100
R402
150K
V d
R365
100K
C348
100P
O
R387
1K -6.2V
100K
R830
100K
A B
MUTING
0V
8
0V
R358
22K
R322
22K
R982
SWITCHING
X G
7
R374
100K
R918
1K
R919
1K
C
R871
R857
4.7K
Q731
XN0450100L
W
R933
22K
1K
1K
1K
10K
100
10K
0
10K
0
0
10K
R980
4.7K
4.7K
5.6K
10K
22K
22K
C350
0.01
1K
1K
1K
1K
1K
1K
1K
1K
R959
R958
R957
R956
R955
R954
R953
R952
F=10MHz
R909
R912
1K
R920
2.2K
1K
RJ31
2.8V
P-P
R829
0.7V
FM/ AM
R870
R967
R969
R971
R863
R978
R865
R866
R974
R853
4.7K
R852
4.7K
F=10MHz
1
R
q
R856
4.7K
R872
R938
R937
R936
R935
C949
1000P
1K
R911
1K
0.5V
SYSTEM CONTROL
4.8V
P-P
0.4V
RJ55
0
R851
10K
SWITCHING
0.6V
0V
R854
10K
2.5V
R855
47K
Q942
2SD1819ATX
R858
47K
D947
MA111TX
R860
10K
IC941
C2CBHG000095
0.6V
0V
5.1V
5.1V
0V
0V
0V
5.2V
0V
5.2V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
B
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
D948
MA111TX
R859
22K
3.8V
P-P
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
6
R356
2.7K
N
5.2V
3.7V
0.5V
0.7V
2.5V
1.6V
5V
4.9V
5V
4.8V
0.9V
5.1V
4.6V
5.2V
5.2V
0V
0V
5V
4V
B
FM/ AM
2
j
R442
3.3K
100
100
F=35kHz
FM/ AM
0V
Q301
B1GFGCAA0001
0V
R321
22K
100
R991
R993
RJ32
0
3.6V
5.2V
5.2V
5.2V
5.2V
R987
100
2.8V
P-P
F=35kHz
0V
3
0V
A
TUN DIN/ ST
TUN CE
HP MUT
LED STBY2
LED TIMER
LED STBY
CS0
CS1
CS2
CS3
CS4
CR TIMER
VR ATT
HP
E2P CB
E2P CLK
E2P DIO
VOL LTCH
NJU CK
NJU DO
FM/ AM
1K
100
4.7K
4.7K
100
100
1K
1K
1K
1K
1K
C948
0.022
G
1K
1.8V
5.1V
5.1V
3.4V
5.1V
5.1V
5.1V
5V
5.1V
FL SCK
FL CS
FL RST
DSP DATA
DSP CLK
CNVss
XC IN
XC OUT
RST
X OUT
Vss
X IN
Vcc
CNT.F
AC IN
REMOTE
DSP1 RST
DSP1 CS
MUTE F & SW
MUTE C & S
C361
16V10
Q
-6.1V
4
5
R398
150K
R914
A
220P
220P
100K
100K
100K
C368
50V4.7
O
5V
2.4V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
RJ38
0
-6.2V
R962
680
4.5V
3.9V
5.1V
0V
0V
0V
R363
3.3K
D950
MA111TX
100
X942
R989
C956
C941
R948
R947
R946
R932
R928
R927
R926
R925
R931
R924
R923
R922
R930
R929
RJ17
0
R977
C947 0.1
680
100
100
100
2.2K
R364
22K
BUFFER AMP
-6.2V
C955
0.01
I
J
L
K
22K
R973
820K
R964
R966
R968
R970
R972
I
R997
10K
R961
1K
R963
680
R362
2.7K
p
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61
N
J
K
L
M
C347
22P
IC303
NJM4558MTE1
C954
220P
C942
220P
R981
100K
330
D949
MAZ80510LL
FL DATA
F61
AVcc
VREF
KEY
AVss
FAN DET
AMP SHTDN
AMP ERR
RDS RDYIN
RDS CLK
RDS DIN
PQ DET
FRQ SHIFT
FAN2
FAN1
POWER
TUN SD
TUN CLK
TUN DOUT
R861
22K
R984
560
C950
10V1000
L941
E G
R998
15K
CEK
PMD DIN
PMD DOUT
DVD & AMP DOUT
DVD DIN
DVD & AMP CLK
DVD & AMP CS
MD DOUT
MD DIN
MD CLK
MD CS
DVD REQ
MD RST
MD REQ
LOAD SW
JOG B
JOG A
MUTE SW
DA RST
NJU ST
D946
1SS380TE-17
C944
0.1
D945
MA111TX
C951
0.1
0V
R713
R941
R945
1K
5.1V
RJ72
0
5.9V
RESET
C952
50V3.3
D941
1SS380TE-17
R943
47K
Q941
UN5214TX
J K L M H D F
0
100K
A B
R939
10K
E F A B C
R944
1K
R999
D
R951
R950
C
R992
100K
:AUDIO SIGNAL LINE
C953
0.01
:NEGATIVE VOLTAGE LINE
R960
C943
0.1
:POSITIVE VOLTAGE LINE
2.8V
3.1V
3.1V
0V
0V
0V
0V
0V
0V
4.8V
5V
0.1V
0V
0V
SCHEMATIC DIAGRAM-3
C MAIN CIRCUIT
r
Z
B
a
A
b
SA-DT300(PP) MAIN CIRCUIT DIAGRAM
25
26
27
28
29
30
31
32
33
34
35
36
SCHEMATIC DIAGRAM-4
C MAIN CIRCUIT
:POSITIVE VOLTAGE LINE
:NEGATIVE VOLTAGE LINE
:AUDIO SIGNAL LINE
-6.3V
Y
-6.3V
C329
470P
REGULATOR
C338
0.15
R347
33K
R345
8.2K
R344
47K
IC728
C0CBAEE00004
REGULATOR
VOUT
VIN
GND
VOUT
Vss
VIN
VOUT
VIN
GND
VOUT
Vss
VIN
IN
GND
OU T
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
5V
C335
10V33
8.5V
5V
C748
0.1
C751
0.1
C726
0.33
8.5V
C754
0.1
5V
8.5V
0V
3.3V
C762
0.1
C761
0.1
C327
100P
IC727
C0CBABC00119
REGULATOR
C340
0.068
R383
22K
IC726
C0CBADE00034
REGULATOR
R346
33K
C339
0.012
-6.2V
D302
R341
8.2K
D303
R390
1K
MUTING
D301
MA111TX
C333
0.01
R333
47
Q305
B1GFGCAA0001
C325
0.068
R313
47K
X
C337
0.033
D302,303
MA111TX
R339
8.2K
R343
270K
C323
0.068
C336
0.033
RJ46
0
R335
56
IC723
C0CBADE00031
REGULATOR
C321
16V10
IC722
C0CBADE00034
8.5V
C755
1
8.5V
C749
1
6.1V
C744 C740
0.1 10V4.7
L721
0V
23
0V
22
0V
21
R391
1K
-6.1V 0V
20
19
VEE
0V
18
0V
17
0V
16
0V
15
0V
14
L
0V
13
3.3K
0V
24
-6.2V
22K
0V
Q722
B1BCJJ000001
GND
OU T
1
2
12.5V
R738
0.47
12.5V
Q456
Q455
R451
4.7K
-8V
D729
MA111TX
D751
MA111TX
R728
3.9K
C736
25V1000
C456
16V22
RJ73
0
-8.7V
-8.7V
R454
4.7K
R453
4.7K
FAN MOTOR DRIVE
5.5V
0V
K
R465
100
-0.2V
Q451
UN5211TX
L
RJ8
0
0V
C459
0.01
STABILIZER
R733
470
9.4V
0V
FAN MOTOR DRIVE
0.6V
0V
Q727
2SD1819ATX
10V
FAN MOTOR DRIVE FAN MOTOR DRIVE R466
68K
5.2V
0V
Q452
UN5115TX
12.5V
R732
2.2K
Q453
Q456
2SD1819ATX 2SB1218TX
R468
22
C747
1000P
C742
16V47
C331
16V22
D737
D731
MA111TX MAZ80910HL
R423
1K
D725
MA143TX
R731
3.3K
C342
1
U
REGULATOR
10V
13.2V
R741
470
D
N
Q729
2SA20570P
k
R739
0.47
C454
6.3V220
C343
1
REGULATOR
10V
13.2V
D451
MA111TX
Q733
2SA20570P
R730
2.2
-11.8V
D754
MA111TX
-6.8V
m
F E D
REGULATOR
-6.2V
C
R352
10K
R351
10K
Q724
B1BCJJ000001
C739
0.1
RJ47
0
D711-713
RL1N4003N02
5V
5.8V
6V
C735
0.1
R452
10K
C334
0.01
RJ16
0
f
t
9.4V
D736
MA8068MTX
8.9V
C756
0.1
RJ35
0
9V
5.8V
-3.8V
E
D456
MA111TX
C733
0.33
5.2V
3
C457
50V0.47
IN
3
C
D732
MA8082MTX
OU T
2
13.5V
R467
100K
RJ34
0
GND
C723
0.01
1
RJ45
0
IN
RJ354
0
V
W
R723
100
C753
16V47
PRE AMP
R350
4.7K
-8.3V
SWITCHING
C728
25V1000
-0.8V
5.5V
Q454
2SB12190WL
6.1V
Q455
B1ABGC000001
FAN MOTOR DRIVE
D457
RL1N4003N02
REGULATOR
R349
4.7K
Q721
2SD1819ATX
R737
1K
REGULATOR
IC302
M62456FPE1
IC729
C0CBAEE00003
D453
MA111TX
IC725
C0CBAHE00002
1.7V
D734
RL1N4003N02
REGULATOR
-7.6V
-12V
C752
0.01
12
C732
16V100
11
C458
0.01
10
C727
16V10
9
1.7V
R342
12K
R338
68K
8
5.8V
C330
100P
R340
8.2K
7
D713
C328
100P
0V
6
D711
0V
5
R725
39K
4
D712
R336
56
C326
0.068
C712
0.1
C322
16V10
3
D304
MA111TX
C324
0.068
R392
22K
2
0V
R727
33K
C332 R424
16V22 3.3K
R334
47
R721
220
D722
MA8043MTX
RJ40
0
1
0V
R337
68K
5.1V
C310
16V22
VCC
D728
RL1N4003N02
D730
MA111TX
D753
MA111TX
R740
1K
D752
MA111TX
22K
1.8K
3.9K
GV
6dB
22K
27K
10K
R314 MUTING
1K 5.1V
-6.2V
N
FAN MOTOR DRIVE
H
F
15.3V
Q726
2SB621RSTA
C757
63V47
R316 C380
8.2K 0.01
R729
4.7K
G
D727
MAZ83000HL
C722
0.047
-31V
A
R426
5.6K
D740
RL1N4003N02
REGULATOR
-30.4V
-38.9V
C
C724
0.047
R315 C379
5.6K 0.022
R425
47K
D
C731
50V100
Z
GV
10dB
22K
N
RJ53
0
P
15K
Q314
UN5115TX
A
B
3.3V
5V
L722
M
SA-DT300(PP) MAIN CIRCUIT DIAGRAM
37
38
39
40
41
42
43
44
45
46
47
48
:POSITIVE VOLTAGE LINE
:NEGATIVE VOLTAGE LINE
:AUDIO SIGNAL LINE
CN720
A
D
R471
0
R472
0
Q
R
T
S
RJ9
0
J
a
b
O
5V
3.3V
E
RJ3
0
R716
RJ56
0
10K
D
F
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
W705
NC
FR
GND
FL
GND
SL
GND
SR
GND
SUB
GND
CNT
GND
FRQ SHIFT
MUTE FRNT
MUTE REAR
MUTE SUB
RST
+B(5V)
+B(3.3V)
SHTDWN
ERR
GND
GATE BIAS
FAN DET
1
H
To D DIGITAL AMP CIRCUIT(CN102)
on SCHEMATIC DIAGRAM-6/2-A~C
G
REF
To D DIGITAL AMP CIRCUIT(CN101)
on SCHEMATIC DIAGRAM-6/2-D
2
W706
B
A
D
3
GND
F
CN451
1
2
E
~
C711
100V10
E POWER TORANSFORMER CIRCUIT
E
T701
WA721
C745
0.1
C750
35V4700
C
D733
B0FBAP000001
3
2
1
1
2
3
4
5
6
1
2
3
4
5
6
WB721
CN710
AC20.6V
CN706
D
CN705
CN704
WA722
1
2
3
4
1
2
3
4
AC4.2V
R712
0
CN714
CN703
W3
C
1
2
3
Q701
B1ABGC000001
RELAY DRIVE
0V
0.7V
R702
3.9K
E702
1
SWITCHING
3.4V
2
3
R717
0
1
C701
1000P
R705
10K
T702
B
W1
W3
R701
3.3M
C708
16V1000
C709
16V1000
3
2
C704
50V4.7
R715
0
D703
R708
2.7K
R711
150
D708
MAZ80680LL
6.6V
R706
0.2V 10K
D703,704
RL1N4003N02
REGULATOR
5.9V
10.5V
R704
10K
A
B
I
R709
18
Q704
2SC3940ARSTA
C706
10V47
M
R710
18
C705
0.01
A
1
2
3
4
5
6
7
C707
0.01
CN702
1
2
3
4
5
6
7
5.9V
D710
1SS380TE-17
CP702
D705
RL1N4003N02
RL702
4
R703
47K
Q702
UN5211TX
C702
0.01
G
Z701
D756
MA111TX
C763
0.01
WB722
F AC IN CIRCUIT
E701
B
W1
CN707
D709
MA111TX
R747
10K
CN713
CN708
AC12.3V
AC30V
D735
B0FBAP000001
3
2
1
CN709
FP701
FP702
D757
MA8068MTX
C730
25V6800
F
C746
0.1
15.3V
M
FAN MOTOR
C710
50V10
R720
47K
C721
0.15
~
D714
D715
RL1N4003N02 RL1N4003N02
D738
B0FFAC000001
D704
SCHEMATIC DIAGRAM-5
C MAIN CIRCUIT
L701
JK701
AC
9.1V
R718
0
AC IN ~
(120V60Hz)
F1
2.5A
A
SA-DT300(PP) POWER TRANSFORMER,AC IN,MAIN CIRCUIT DIAGRAM
49
50
51
52
53
54
55
56
57
58
59
60
SCHEMATIC DIAGRAM-6
D DIGITAL AMP CIRCUIT
:POSITIVE VOLTAGE LINE
:AUDIO SIGNAL LINE
C193
0.1
DOUT
3.2V
4.6V
D
1.6V
CLR
Q
3.2V
5
Vcc
IC020
TC7WH74FUTL
1.6V
CK
B
C
D
LOGIC CONT.
(D-TYPE FLIP FLOP)
Q
Vss
D
1
2
1.6V
3
1.3V
NC
1
A GND
NC
1.3V
4.6V
B
C180
680P
C196
330P
1.6V
LRCK
BCK
R058
1.2K
Z006
C121
0.1
R136
0
0V
3.2V
3.1V
3.2V
1.6V
1.6V
M
N
3.2V
1.6V
1.6V
O
P
3.2V
DVss1
DVDD1
DVss1
MCLK OUT
SCLK
LRCLK
SDIN
MOD2
MOD1
MOD0
ALID L
DVss3 R
36
35
34
33
32
31
30
29
28
27
26
25
3.2V
3.2V
3.2V
R149
47
A
C
D
B
27.7V
D
47
47
5
Vcc
4
Y
REGULATOR
Vref
R052
100K
D051
MA8120MTX
R051
1.2K
R057
100
3
2
2.5V
R056
100
C124
0.1
C130
0.1
IC051
C0DAZZC00003
R053
10K
R054
220K
30.4V
R148
R147
Q
R055
1K
C150
0.1
R141
4.7
DIGITAL AUDIO
PWM PROCESSOR
DVDD3L
PWM P L
PWM M L
NC
NC
DVDD2
DVss2
PWM P R
PWM N R
NC
NC
DVDD3 R
13 14 15 16 17 18 19 20 21 22 23 24
1.6V
PDOWN
STABILIZER
IC011
C0ZBZ0000650
1.7V
1.5V
1.6V
1.2V
3.2V
DOUT
MCLK IN
AVDD2
PLL FLT OUT
PLL FLT RET
AVss2
NC
/ RESET
/ PDN
VALID R
MS
NC
DVSS1
10
G
Q051
B1DEGL000004
C159
10V4.7
R184
6.8K
9
26.7V
S
R181
6.8K
B
I
J
R182
6.8K
1K
1K
2.9V
3.2V
3.2V
3.2V
D
A
3.9K
3.9K
3.9K
3.9K
8
3.2V
AGND
7
F
R175
R176
R177
R178
Z005
Z004
R180
R179
DGND
VDD
Vcc
6
3.2V
VREF2
5
4.4V
VREF1
4
4.4V
VINR
3
2.2V
2
D052
MA8120MTX
A
Z008
BYPAS
11
FSYNC
12
SCKI
1.2V
3.2V
13
OSR
FMT1
14
FMT0
MODE0
1.7V
3.2V
E
C140
16V1
2.2V
C187
470P
R162
1K
15
1
C188
470P
D
A
B
C
1
2
3
4
5
6
7
8
9
10
11
12
24bit A / D CONVERTER
C139
16V1
B
C
16
1.6V
3V
1.8V
0V
0V
IC024
C0FBAK000008
C162
10V4.7 2.2V
R161
1K
B
17
VINL
A
18
MODE1
CN102
19
AVDD1
XTL IN
XTL OUT
OSC CAP
AVss1
DEM EN
DEM SEL
FTEST
STEST
DBSPD
/ MUTE
DVss3 L
R157
2.4K
C158
0.1
F
G
H
C181
47P
1.6V
C149
0.1
C194
1
C100
0.1
GND 3
48 47 46 45 44 43 42 41 40 39 38 37
Z003
7
1.6V
R188
0
3V
0V
R132
4.7
BCK
6
1.5V
R129
22
C127
0.1
CN101
R183
6.8K
To C MAIN CIRCUIT
(CN720)
on SCHEMATIC
DIAGRAM-5/53-G,H
5
4.6V
L
3.2V
LRCK
VDD
4
2.1V
20
C
3.2V
8
BYPAS
FMT
9
SCKI
DGND
C191
470P
2
2.1V
C192
470P
R166 C144
1K 16V1
1
E
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
X132
C133
18P
1.2V
10
Vcc
AGND
11
3
VINR
VINL
R165 C143
1K 16V1
NC
FR
GND
FL
GND
SL
GND
SR
GND
SUB
GND
CNT
GND
FRQ SHIFT
MUTE FRNT
MUTE REAR
MUTE SUB
RST
+B(5V)
+B(3.3V)
SHTDWN
ERR
GND
GATE BIAS
FAN DET
1.6V
R139
1M
DOUT
4.6V
12
VREF2
VREF1
2.1V 3V
14
13
F
2
4
K
16bit A / D CONVERTER
To C MAIN CIRCUIT
(W705,W706)
on SCHEMATIC
DIAGRAM-5/53-F
Vcc
5
Y
3
0V
1
A
E
IC023
C0FBAJ000009
REF 1
2
B
A
C186
1000P
E
D
A GND
2
R137
1M
s. 1V/DIV.
3
GND
Y
0V
C134
18P
C156
10V4.7
C155
10V4.7
C157
0.1
C161
10V4.7
0.2
1.3V
4
1
3.7V
P-P
R143
4.7
0V
5
Vcc
X131
E001
B
Y
2
3
1.4V
4
0.6V
1.3V
4
R138
1K
C199
1000P
1.5V
PR
Z001
LRCK
2.1V
VDD
C175
0.1
BCK
2.1V
5
R140
1K
SCKI
7
1.4V
6
C135
18P
VDD
6
3.2V
7
NOR GATE
C136
18P
DGND
5
3.2V
INVERTER
IC017
C0JBAD000153
C137
0.1
VINR
4
C154
0.1
C177
1000P
3
C190
470P
R164 C142
1K 16V1
2
3.2V
8
IC019
C0JBAB000423
INVERTER
IC018
C0JBAB000423
Z002
VINL
C189
470P
C
0.6V
8
1
R163 C141
1K 16V1
SWITCHING
3.2V
0.6V
16bit A / D CONVERTER
C1013
0.1
Q002
XN0431100L
C138
0.1
9
BYPAS
10
FMT
AGND
11
3.2V
SWITCHING
1.2V
IC022
C0FBAJ000009
C1014
0.1
F
4.6V
Vcc
12
VREF1
C1015
0.1
4.6V
VREF2
2.1V 3V
14
13
3.2V
Q001
UN5111TX
A
3.2V
C1016
0.1
G
3.2V
R167
3.3K
C151
10V4.7
R190
0
C152
10V4.7
H
C153
0.1
C160
10V4.7
R142
4.7
A GND
2
3
OE
1
IC014
C0JBAZ001870
BUFFER
1
17.9V
R
27.7V
A
Z007
SA-DT300(PP) DIGITAL AMP CIRCUIT DIAGRAM
1
2
3
4
5
6
7
8
9
10
11
12
SCHEMATIC DIAGRAM-7
D DIGITAL AMP CIRCUIT
:POSITIVE VOLTAGE LINE
:AUDIO SIGNAL LINE
A
B
3.2V
L
K
IC001
C0ZBZ0000647
TRUE DIGITAL AMP
PVss 25
PVss 24
10 VRFILT
1.2V
OUTPUTB 23
11 BIAS A
OUTPUTB 22
12 BIAS B
R103
13K
PVDDB1 21
13 PWDN
PVDDB1 20
14 RESET
BOOTSTRAPB 19
R107
10
C103
100P
1.2V
R105
13K
3.2V
3.2V
Q
1.6V
M
1.6V
16 PWM BP
LDROUTB 18
PVDDB2 17
R130
22
C001
0.01
C003
0.033
C005
35V1000
C1040
0.1
L103
10 H
67.7V
C122
0.1
48 47 46 45 44 43 42 41 40 39 38 37
B
26.7V
R005
1.5
26.7V
C019
0.1
C021
79.4V 0.033
15V
C023
0.1
1.6V
3V
1.8V
0V
0V
D1020
MAZ80510LL
26.7V
2.9V
3.2V
3.2V
3.2V
C197
330P
C1020
0.1
N
15 PWM BM
67.7V
C128
0.1
TRUE DIGITAL AMP
C102
0.1
3.1V
0V
0V
0V
5 SHUTDOWN
6 DVDD
PVDDA1 28
OUTPUTA 27
7 DVss
OUTPUTA 26
8 DVss
PVss 25
9 DVss
PVss 24
10 VRFILT
1.2V
OUTPUTB 23
11 BIAS A
OUTPUTB 22
12 BIAS B
R104
13K
PVDDB1 21
13 PWDN
PVDDB1 20
14 RESET
BOOTSTRAPB 19
C104
100P
1.2V
R108
10
R106
13K
3.2V
3.2V
R
1.6V
O
1.6V
15 PWM BM
16 PWM BP
LDROUTB 18
PVDDB2 17
67.7V
L104
10 H
67.7V
C002
0.01
3.2V
C004
0.033
C006
35V1000
C
R151
R150
C024
F
G
3.2V
3.2V
OE
1
1.2V
4
Y
A GND
2
3
1.2V
IC015
C0JBAZ001870
BUFFER
C020
0.1
C022
79.4V 0.033
15V
1.6V
1.6V
H
5
Vcc
26.7V
R006
1.5
3.2V
47
47
D
26.7V
D
E
0.1
26.7V
D1022
MAZ80510LL
C1022
0.1
P
L102
10 H
3.2V
1.6V
1.6V
R152
47
D
C
B
I
A
C012
0.1
64.5V
64.5V
DIGITAL AUDIO
PWM PROCESSOR
C131
0.1
R102
10
26.7V
IC012
C0ZBZ0000650
36
35
34
33
32
31
30
29
28
27
26
25
13 14 15 16 17 18 19 20 21 22 23 24
26.7V
R004
1.5
DVDD3L
PWM P L
PWM M L
NC
NC
DVDD2
DVss2
PWM P R
PWM N R
NC
NC
DVDD3 R
R1022
1
3.1V
0.033
R002
1
PVDDA1 29
74V C010
R034
2.2K
4 ERR0
3.1V
C008
0.1
D002
C030 R032
1SS355TE17 0.33 1K
3 ERR1
BOOTSTRAPA 30
14.9V
C1041
0.1
LDROUTA 31
C016
0.1
2 PWM AM
26.7V
C018
0.1
PVDDA2 32
C014
0.47
1.6V
1 PWM AP
D1023
MAZ80510LL R1023
1
C1023
0.1
1.6V
MCLK IN
AVDD2
PLL FLT OUT
PLL FLT RET
AVss2
NC
/ RESET
/ PDN
VALID R
MS
NC
DVSS1
DVss1
DVDD1
DVss1
MCLK OUT
SCLK
LRCLK
SDIN
MOD2
MOD1
MOD0
ALID L
DVss3 R
IC002
C0ZBZ0000647
1
2
3
4
5
6
7
8
9
10
11
12
C125
0.1
9 DVss
C
3.1V
8 DVss
A
L101
10 H
64.5V
3.2V
3.2V
OUTPUTA 26
0V
0V
7 DVss
64.5V
1.7V
1.5V
1.6V
1.2V
3.2V
0V
OUTPUTA 27
3V
0V
0V
6 DVDD
C011
0.1
AVDD1
XTL IN
XTL OUT
OSC CAP
AVss1
DEM EN
DEM SEL
FTEST
STEST
DBSPD
/ MUTE
DVss3 L
C101
0.1
3.1V
R003
1.5
26.7V
C183
47P
PVDDA1 28
R134
4.7
5 SHUTDOWN
R1020
1
R101
10
26.7V
R158
2.4K
PVDDA1 29
0.033
C182
680P
4 ERR0
3.1V
3.1V
74V C009
R001
1
BOOTSTRAPA 30
R036
2.2K
3 ERR1
C007
14.9V 0.1
D001
C059 R031
1SS355TE17 0.33 1K
LDROUTA 31
C015
0.1
2 PWM AM
D1021
MAZ80510LL R1021
1
26.7V
C017
0.1
PVDDA2 32
C013
0.47
1.6V
1 PWM AP
C1021
0.1
1.6V
I
27.7V
RJ001
RJ002
0
0
RJ004
RJ003
0
0
SA-DT300(PP) DIGITAL AMP CIRCUIT DIAGRAM
13
14
15
16
17
18
19
20
21
22
23
24
SCHEMATIC DIAGRAM-8
D DIGITAL AMP CIRCUIT
:POSITIVE VOLTAGE LINE
:AUDIO SIGNAL LINE
A
C195
1
C123
0.1
3.2V
A
B
TRUE DIGITAL AMP
PVss 25
PVss 24
OUTPUTB 22
PVDDB1 21
E
BOOTSTRAPB 19
15 PWM BM
LDROUTB 18
16 PWM BP
PVDDB2 17
C051
79.4V0.033
15V C053
0.1
IC004
C0ZBZ0000647
PVDDA2 32
2 PWM AM
LDROUTA 31
3 ERR1
4 ERR0
R112
10
C106
0.1
3.1V
0V
0V
0V
R114
13K
5 SHUTDOWN
PVDDA1 29
PVDDA1 28
6 DVDD
OUTPUTA 27
7 DVss
OUTPUTA 26
8 DVss
OUTPUTB 23
11 BIAS A
OUTPUTB 22
1.2V
C108
100P
12 BIAS B
R118
10
R116
13K
3.2V
3.2V
I
1.6V
F
1.6V
0.033
PVDDB1 21
13 PWDN
PVDDB1 20
14 RESET
15 PWM BM
16 PWM BP
C031
0.01
C033
0.033
3.1V
0V
3V
0V
26.7V
R014
1.5
26.7V
BOOTSTRAPB 19
LDROUTB 18
PVDDB2 17
R154
R153
1.6V
1.6V
D
E
3.2V
47
47
C042
0.1
3.2V
1.2V
5
Vcc
4
Y
IC016
C0JBAZ001870
64.5V
L106
10 H
64.5V
G
BUFFER
A GND
2
3
1.2V
OE
1
67.7V
L108
10 H
67.7V
F
R127
10
G
H
26.7V
R016
1.5
26.7V
C050
0.1
C052
79.4V 0.033
15V C054
3.2V
5
Vcc
0.1
Y
AND GATE
D1026
MAZ80510LL
26.7V
3.2V
4
IC007
AHCT1G08DBV
A
1
C1026
0.1
G
74V C040
PVss 24
10 VRFILT
1.2V
C038
14.9V 0.1
PVss 25
9 DVss
3.2V
C044
0.47
3.1V
BOOTSTRAPA 30
26.7V
H
G
F
J
E
R012
1
1 PWM AP
3.1V
B
C
R155
47
D1027
MAZ80510LL R1027
1
C1027
0.1
1.6V
3.2V
1.6V
1.6V
13 14 15 16 17 18 19 20 21 22 23 24
TRUE DIGITAL AMP
1.6V
C035
35V1000
D1024
MAZ80510LL
26.7V
DIGITAL AUDIO
PWM PROCESSOR
36
35
34
33
32
31
30
29
28
27
26
25
C126
0.1
1.6V
PVDDB1 20
14 RESET
DVDD3L
PWM P L
PWM M L
NC
NC
DVDD2
DVss2
PWM P R
PWM N R
NC
NC
DVDD3 R
IC013
C0ZBZ0000650
3.2V
1.6V
D
13 PWDN
C049
0.1
2.9V
3.2V
3.2V
3.2V
MCLK IN
AVDD2
PLL FLT OUT
PLL FLT RET
AVss2
NC
/ RESET
/ PDN
VALID R
MS
NC
DVSS1
C132
0.1
3.2V
H
R015
1.5
26.7V
C032
0.01
3.2V
26.7V
C034
0.033
R117
10
C107
100P
12 BIAS B
R115
13K
F
C036
35V1000
1.2V
L107
10 H
67.7V
1
2
3
4
5
6
7
8
9
10
11
12
3.2V
3.2V
OUTPUTB 23
11 BIAS A
1.6V
3V
1.8V
0V
0V
1.7V
1.5V
1.6V
1.2V
3.2V
10 VRFILT
1.2V
67.7V
AVDD1
XTL IN
XTL OUT
OSC CAP
AVss1
DEM EN
DEM SEL
FTEST
STEST
DBSPD
/ MUTE
DVss3 L
9 DVss
48 47 46 45 44 43 42 41 40 39 38 37
DVss1
DVDD1
DVss1
MCLK OUT
SCLK
LRCLK
SDIN
MOD2
MOD1
MOD0
ALID L
DVss3 R
8 DVss
E
L105
10 H
64.5V
C185
47P
OUTPUTA 26
C198
330P
7 DVss
64.5V
R1024
1
R113
13K
OUTPUTA 27
C1043
0.1
0V
6 DVDD
R1026
1
0V
PVDDA1 28
C046
0.1
0V
5 SHUTDOWN
C129
0.1
C041
0.1
C048
0.1
C105
0.1
3.1V
R013
1.5
26.7V
C1024
0.1
R111
10
26.7V
R144
4.7
PVDDA1 29
0.033
R159
2.4K
4 ERR0
3.1V
3.1V
74V C039
C184
680P
BOOTSTRAPA 30
R011
1
3 ERR1
C037
14.9V 0.1
C1042
0.1
LDROUTA 31
C045
0.1
2 PWM AM
D1025
MAZ80510LL R1025
1
26.7V
C047
0.1
PVDDA2 32
C043
0.47
1.6V
1 PWM AP
C1025
0.1
1.6V
R131
22
IC003
C0ZBZ0000647
5V
B
GND
2
3
3.2V
C
27.7V
RJ005
RJ006
0
0
RJ008
RJ007
0
0
SA-DT300(PP) DIGITAL AMP CIRCUIT DIAGRAM
25
26
27
28
29
30
31
32
33
34
35
36
SCHEMATIC DIAGRAM-9
D DIGITAL AMP CIRCUIT
:POSITIVE VOLTAGE LINE
:AUDIO SIGNAL LINE
H
IC005
C0ZBZ0000647
TRUE DIGITAL AMP
6 DVDD
0V
OUTPUTA 27
7 DVss
0V
OUTPUTA 26
8 DVss
0V
9 DVss
1.2V
OUTPUTB 23
11 BIAS A
OUTPUTB 22
PVDDB1 21
13 PWDN
PVDDB1 20
14 RESET
BOOTSTRAPB 19
C111
100P
1.2V
R125
13K
3.2V
3.2V
G
1.6V
B
1.6V
16 PWM BP
LDROUTB 18
PVDDB2 17
C061
0.01
R021
1
C063
0.033
C065
35V1000
67.7V
L111
10 H
67.7V
JK101
26.7V
R025
1.5
26.7V
B
C079
0.1
F
Lch
FRONT HF/ LF(6 )
C081
79.4V 0.033
15V C083
SPEAKERS
A
J
C
0.1
D
Rch
Lch
D1028
MAZ80510LL
26.7V
E
C1028
0.1
C
15 PWM BM
G
I
L109
10 H
64.5V
PVss 24
10 VRFILT
C071
0.1
64.5V
PVss 25
12 BIAS B
R123
13K
R023
1.5
26.7V
C093
0.033
3.1V
3.2V
C109
0.1
A
PVDDA1 28
C094
0.033
5 SHUTDOWN
R1028
1
R121
10
PVDDA1 29
0.033
26.7V
C095
0.033
4 ERR0
3.1V
74V C069
R035
2.2K
BOOTSTRAPA 30
D003
C089 R033
1SS355TE17 0.33 1K
3 ERR1
3.1V
C067
14.9V 0.1
C075
0.1
LDROUTA 31
D1029
MAZ80510LL R1029
1
26.7V
C077
0.1
2 PWM AM
1.6V
PVDDA2 32
C1029
0.1
1 PWM AP
C073
0.47
1.6V
F
E
SURROUND(6 )
IC006
C0ZBZ0000647
PVss 24
10 VRFILT
1.2V
OUTPUTB 23
11 BIAS A
OUTPUTB 22
12 BIAS B
R124
13K
PVDDB1 21
13 PWDN
PVDDB1 20
14 RESET
BOOTSTRAPB 19
C112
100P
1.2V
R128
10
R126
13K
3.2V
3.2V
F
1.6V
D
1.6V
LDROUTB 18
16 PWM BP
PVDDB2 17
C096
0.033
C062
0.01
C064
0.033
C066
35V1000
L112
10 H
67.7V
C
L
26.7V
R026
1.5
26.7V
C080
0.1
C082
79.4V 0.033
15V
C084
0.1
D1030
MAZ80510LL
26.7V
B
C1030
0.1
E
15 PWM BM
67.7V
SP FRAME
R191
0
PVss 25
9 DVss
0V
L110
10 H
64.5V
K
C099
1000P
8 DVss
0V
OUTPUTA 26
L
64.5V
680P
680P
680P
680P
680P
680P
680P
680P
680P
680P
680P
1000P
1000P
1000P
1000P
1000P
1000P
1000P
1000P
1000P
1000P
1000P
1000P
7 DVss
0V
OUTPUTA 27
C086
C087
C085
C058
C056
C057
C055
C028
C026
C027
C025
C1012
C1010
C1011
C1009
C1008
C1006
C1007
C1005
C1004
C1002
C1003
C1001
6 DVDD
26.7V
C072
0.1
4.7
4.7
4.7
4.7
4.7
4.7
4.7
4.7
4.7
4.7
4.7
C110
0.1
PVDDA1 28
SUB WOOFER(6 )
K
R024
1.5
R028
R029
R027
R020
R018
R019
R017
R010
R008
R009
R007
5 SHUTDOWN
3.1V
CENTER(6 )
D
26.7V
C088
680P
3.1V
R122
10
J
R030
4.7
PVDDA1 29
0.033
R022
1
4 ERR0
3.1V
74V C070
I
R038
2.2K
BOOTSTRAPA 30
C068
0.1
D004
C091 R037
1SS355TE17 50V10 1K
3 ERR1
14.9V
C076
0.1
LDROUTA 31
C078
0.1
2 PWM AM
26.7V
Rch
R1030
1
PVDDA2 32
H
C1031
0.1
1 PWM AP
1.6V
C074
0.47
1.6V
D1031
MAZ80510LL R1031
1
C097
0.033
TRUE DIGITAL AMP
C098
0.033
G
27.7V
RJ009
RJ010
0
0
A
SA-DT300(PP) DIGITAL AMP CIRCUIT DIAGRAM
37
38
39
40
41
42
43
44
45
46
47
48
SCHEMATIC DIAGRAM-10
TUNER MODULE CIRCUIT(Z1001 ENG07701Q)
:POSITIVE VOLTAGE LINE
2SC2620 or
2SC2714,2SK2413
:FM OSC SIGNAL LINE
270K
330
47P
390
680
22P
0.01
330K
2SC2620 or
2SC2620 or
2SC2714,2SK2413 2SC2714, 2SK2413
RF AMP
FM IF AMP
100
2SC3130 or
2SC2814 ,2SC1638
FM IF AMP
0
POWER SUPPLY
(FM:ON)
0
0.01
2200P
:AM OSC SIGNAL LINE
0.01
2P
2SK360 or
2SK543,2SK2731
470P
330K
MA2S372 or
BB535,MVC3228
,MVC202A,BB179
3P
1K
100K
MA2S372 or
BB535,MVC3228
,MVC202A,BB179
MA110 or MA111,
BA5310,1SS352,
BA516,1SS355
6.5P
100K
G
22
8.5P
10P
FM ANT
(75 )
0.1
22
:AM SIGNAL LINE
270
0.01
1K
FM MIXER
H
:FM SIGNAL LINE
1
0.1
100
MPX IN
PILOT OUT
Rch OUT
6800P
1K
6800P
2SC601 or
2SC26128,2SC647
Lch OUT
BUFFER AMP
7
8
9
10
11
3.3
1K
B
2SC601 or
2SC26128,2SC647
12
1K
6
470K
6800P
PILOT IN
5
A
BUFFER AMP
0
0.01
47
10K
1000P
1.5K
0.47
10K
B
15P
4.7K
0
27K
2.2
3.3
39K
220
47
2.2K
2.2K
6800P
DET OUT
6800P
AM DET
4
1K
VCO
AGC
FM/AM
AM RF IN
3
A
4.7K
6800P
4700P ~ 8200P
AFC
FM IN/
AM IF
AM OSC
2
4.7K
D
47
3.3
2.2K
13
Vcc
14
470K
10K
0.01
0.1
68K
4.7K
15
FM DET
16
ST
17
TU
18
GND
19
AM IF IN
20
REG
21
AM MIX OUT
22
FM IF IN
15P
100K
D
4.7K
23
1
C
2.2K
1
AM OSC OUT
SVC347 or
MVR100
C
B
0.1
150P
56K
B
24
4.7K
DZS5.1B
1
4.7
3.3
0.01
24P
3.3K
0P
22K
4.7
FM/AM IF AMP,
DET/AM OSC,MIX/FM MPX
A
D
A
4.7K
0.022
270P
0
E
39K
330
0.01
27P
10K
2P
56P
AM ANT
47K
LA1844M
BUFFER AMP
1.5K
8P
0.01
470P
2SC3130 or
2SC2814,2SC1638
MA2S372 or
BB535,MVC3228,
MVC202A,BB179
2.7K
F
10K
2200P
100K
1
3.3K
C
CE
DI
CL
DO
AM
3
4
5
6
7
470
0.1
D
12P
10P
0.01
47
220
1000P
10
7.2MHz
B
0.1
47
9
C
E
B
D
A
470
X IN
2
0.1
8
PLL FREQUENCY
SYNTHESIZER
1
0.1
FM IN
FM
LC72131M
MONO
11
STRQ
12
AM OSC
13
SOC
14
FM OSC
BT IN
15
VDD
17
BT
16
PD1
18
GND
C
19
X OUT
56
20
1K
E
B
A
470
1K
3.9K
1K
1K
3.3K
A
B
D
C
4.7K
A
11 10 9 8 7 6 5 4 3 2 1
B
C
D
CL
DO
DI
Lch OUT
CE
Rch OUT
NC
+B(2)
SD
NC
GND
A
A
To C MAIN CIRCUIT(CP301)
on SCHEMATIC DIAGRAM-2/19-H
SA-DT300(PP) TUNER MODULE CIRCUIT DIAGRAM
1
2
3
4
5
6
7
8
9
10
11
12
NOTE:
The number which noted at the connectors on the schematic diagram as
" SCHEMATIC DIAGRAM-1 " or " SCHEMATIC DIAGRAM-2 "
indicates the schematic diagram serial number located on the left corner in the schematic diagram.
SCHEMATIC DIAGRAM-1
A FL CIRCUIT
:NEGATIVE VOLTAGE LINE
:POSITIVE VOLTAGE LINE
C MAIN CIRCUIT
:AUDIO SIGNAL LINE
:FM SIGNAL LINE
:AM SIGNAL LINE
FL901(A2BC00000048)
H
FL DISPLAY
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56
A B C D E F G H I
J K L M N O P Q R S T U V W X Y Z a b d e
f
g h
i
j
k m
M
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
a
b
d
R918
150
-23V
-18.3V
-18.3V
-27.7V
-18.3V
-18.3V
-20.6V
-25.2V
-25.2V
-25.2V
-30V
-20.6V
-25.4V
-30V
-27.8V
-30V
-23V
-25.4V
-30V
-27.8V
-30.1V
-25.4V
-23V
-20.7V
-20.7V
4.2V
-20.7V
-30.1V
-30.1V
-27.8V
G
-25.4V
RJ501
0
L
RJ601
0
C904
25V22
J K L M
C902
25V22
A B C D E F G H I
59 60
C903
25V22
C901
25V22
1 2
R917
150
RJ5
0
5.9V
30
0V
28
0V
27
26
0V
0V
25
24
23
0V
22
0V
21
2
3
4
5
6
20
7
0V
19
R301
100K
2
3
4
5
6
7
2
-6.2V
17
16
DATA
CK
4
0V
5
0V
6
0V
7
8
0V
9
0V
A B
10
0V
11
0V
14
0V
R209
2.2K
0V
ST
13
12
Vss
15
0V
R215
5.6K
S
R311
3.3K
C305
100P
C916
0.01
18
NC
3
C214
0.1
F
Lch
0V
8
R312
3.3K
R309
12K
1
0V
SIGNAL SELECTOR
1
E
R310
12K
0V
8
TV IN
2
R214
2.2K
R213
2.2K
R
0V
IC201
NJU7313AMT2
1
C306
100P
Z901
B3RAD0000035
REMOTE SENSOR
0.047
R218
4.7K
VEE
Rch
R217
4.7K
NC
1
JK301
C918
0V
29
D
C301
100P
B
G
H
I
F
D
B
3
C358
0.1
C307
0.01
0.047
R216
5.6K
C
VDD
C
Lch
1 2 3 4 5 6 7
C917
A
R303
1K
CN904
A
E
Q
R304
1K
B HEADPHONE CIRCUIT
JK901
HEADPHONE
E
OUT
1 2 3 4 5 6 7
2
3
6
4
5
7
1
F
0
0
B
Rch
CN903
R211
2.2K
R207
82K
R205
27K
R308
3.3K
A
JK301
LED DRIVE
5.9V
RJ44
RJ43
D.GND2
C207
50V4.7
C212
47P
0.1
HP.GND
0V
C205
33P
N
Lch
D.GND
0V
C203
330P
C213
47P
Q904
UN521MTX
8
M
R305
12K
VCR(EXT)
7
A
C302
100P
D903
SELS5923C
(WAKE)
R911
270
0V
0V
R201
2.2K
C201
330P
F
A
B
C
E
6
R219
4.7K
0V
5
R306
12K
RJ504
0
100
1
BUFFER AMP
IN
R922
100
2
IC202
NJM4558MTE1
N
O
P
Rch
RJ503
0
3
R210
2.2K
5.2V
4
A
J
K
L
M
JK301
R920
100
LED DRIVE
0V
C211
47P
VP
RJ502
0
0V
R212
2.2K
C210
0.01
SEG25
SEG27
-30.5V
-25.3V
G
Q903
XN0450100L
C208
50V4.7
0V
-6.2V
R203
56K
SEG24
SEG28
100
R839
10K
CN902
R204
56K
SEG23
SEG29
-30V
-18.3V
H
I
J
K
L
N
G
H
I
J
K
L
M
N
s. 0.5V/DIV.
1
2
3
4
5
6
7
8
9
10
C206
33P
L
C202
330P
SEG22
SEG30
3.3K
3.3K
3.3K
MA111TX
0.9V
P-P
0.5
1
2
3
4
5
6
7
8
9
10
R208
82K
2.2K
SEG21
SEG31
-25.4V
-16V
0V
s. 2V/DIV.
CN902
STOP/ PLAY
R206
27K
C204
330P
E
F
G
H
R202
SEG20
SEG32
4.6V
C209
0.01
E
C215 0.1
R913
560
R912
330
R909
D904
SELS5923C
(SELECT)
B
C
D
E
F
M
D
D905
B3AGA0000079
(PWR / )
C
A
R307
3.3K
3.7V
4.4V
e
R302
100K
5.2V
STOP/ PLAY
5V
)
f
C
C
D
D
C308
0.01
0V
-13.6V
-13.6V
R904
R903
R902
D901
0.3V
g
R919
100K
R921
S901
(PWR /
h
FL DRIVE
0.5
C907
0.1
R910
820
i
IC901
C0HBB0000030
56P
33K
56P
33K
56P
33K
D902
MA111TX
C911
0.01
C906
0.01
C909
6.3V100
-27.9V
C905
10V4.7
S902
(SELECT)
j
A
B
1
2
3
4
5
6
7
8
9
10
11
12
C309
0.01
SEG19
SEG33
C912
R906
C913
R907
C914
R908
7ms.
R901
22K
FL DRIVE
k
C910
39P
-27.8V
Q901
UN521MTX
Vss
XIN
-23V
4.3V
1.9V
P0
P1
SCK
5V
0V
-30V
m
4.2V
D
D906
MAZ80510LL
SEG18
SEG26
SEG17
SEG34
XOUT
SEG35
Vcc1
SDATA
2.6V
3.7V
3.4V
4.2V
-27.8V
K
J
STOP/ PLAY
T
-27.6V
-27.6V
I
CN901
1
2
3
4
5
6
7
8
9
10
11
12
C304
100P
H
CN901
3
C303
100P
G
2
C920
F
1
C908
0.01
E
27K 1.9V
D
R905
C
-27.6V
-27.6V
B
CS
DIG2
A
E
RJ49
0
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
DIG0
DIG3
9
DIG1
DIG4
8
-27.6V
DIG5
7
-27.6V
6
-27.6V
DIG6
RESET
SEG16
SEG15
SEG14
SEG13
SEG11
SEG12
SEG9
SEG10
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
SEG2
SEG1
SEG0
Vcc2
SEG39/ DIG15
5
-27.6V
DIG7
SEG38/ DIG14
4
-27.6V
3
-27.6V
2
-27.6V
DIG8
7ms.
DIG9
T
1
F
VR901
(VOLUME)
5V
0V
-30V
DIG10
SEG37/ DIG13
STOP/ PLAY
DIG11
SEG36/ DIG12
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
SA-DT300(PP) FL,HEADPHONE,MAIN CIRCUIT DIAGRAM
1
2
3
4
5
6
7
8
9
10
11
12
SCHEMATIC DIAGRAM-1
A FL CIRCUIT
:NEGATIVE VOLTAGE LINE
:POSITIVE VOLTAGE LINE
C MAIN CIRCUIT
:AUDIO SIGNAL LINE
:FM SIGNAL LINE
:AM SIGNAL LINE
FL901(A2BC00000048)
H
FL DISPLAY
5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56
A B C D E F G H I
J K L M N O P Q R S T U V W X Y Z a b d e
f
g h
i
j
k m
M
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
a
b
d
R918
150
-23V
-18.3V
-18.3V
-27.7V
-18.3V
-18.3V
-20.6V
-25.2V
-25.2V
-25.2V
-30V
-20.6V
-25.4V
-30V
-27.8V
-30V
-23V
-25.4V
-30V
-27.8V
-30.1V
-25.4V
-23V
-20.7V
-20.7V
4.2V
-20.7V
-30.1V
-30.1V
-27.8V
G
-25.4V
RJ501
0
L
RJ601
0
C904
25V22
J K L M
C902
25V22
A B C D E F G H I
59 60
C903
25V22
C901
25V22
1 2
R917
150
RJ5
0
5.9V
30
0V
28
0V
27
26
0V
0V
25
24
23
0V
22
0V
21
2
3
4
5
6
20
7
0V
19
R301
100K
2
3
4
5
6
7
2
-6.2V
17
16
DATA
CK
4
0V
5
0V
6
0V
7
8
0V
9
0V
A B
10
0V
11
0V
14
0V
R209
2.2K
0V
ST
13
12
Vss
15
0V
R215
5.6K
S
R311
3.3K
C305
100P
C916
0.01
18
NC
3
C214
0.1
F
Lch
0V
8
R312
3.3K
R309
12K
1
0V
SIGNAL SELECTOR
1
E
R310
12K
0V
8
TV IN
2
R214
2.2K
R213
2.2K
R
0V
IC201
NJU7313AMT2
1
C306
100P
Z901
B3RAD0000035
REMOTE SENSOR
0.047
R218
4.7K
VEE
Rch
R217
4.7K
NC
1
JK301
C918
0V
29
D
C301
100P
B
G
H
I
F
D
B
3
C358
0.1
C307
0.01
0.047
R216
5.6K
C
VDD
C
Lch
1 2 3 4 5 6 7
C917
A
R303
1K
CN904
A
E
Q
R304
1K
B HEADPHONE CIRCUIT
JK901
HEADPHONE
E
OUT
1 2 3 4 5 6 7
2
3
6
4
5
7
1
F
0
0
B
Rch
CN903
R211
2.2K
R207
82K
R205
27K
R308
3.3K
A
JK301
LED DRIVE
5.9V
RJ44
RJ43
D.GND2
C207
50V4.7
C212
47P
0.1
HP.GND
0V
C205
33P
N
Lch
D.GND
0V
C203
330P
C213
47P
Q904
UN521MTX
8
M
R305
12K
VCR(EXT)
7
A
C302
100P
D903
SELS5923C
( PLAY/ REC)
R911
270
0V
0V
R201
2.2K
C201
330P
F
A
B
C
E
6
R219
4.7K
0V
5
R306
12K
RJ504
0
100
1
BUFFER AMP
IN
R922
100
2
IC202
NJM4558MTE1
N
O
P
Rch
RJ503
0
3
R210
2.2K
5.2V
4
A
J
K
L
M
JK301
R920
100
LED DRIVE
0V
C211
47P
VP
RJ502
0
0V
R212
2.2K
C210
0.01
SEG25
SEG27
-30.5V
-25.3V
G
Q903
XN0450100L
C208
50V4.7
0V
-6.2V
R203
56K
SEG24
SEG28
100
R839
10K
CN902
R204
56K
SEG23
SEG29
-30V
-18.3V
H
I
J
K
L
N
G
H
I
J
K
L
M
N
s. 0.5V/DIV.
1
2
3
4
5
6
7
8
9
10
C206
33P
L
C202
330P
SEG22
SEG30
3.3K
3.3K
3.3K
MA111TX
0.9V
P-P
0.5
1
2
3
4
5
6
7
8
9
10
R208
82K
2.2K
SEG21
SEG31
-25.4V
-16V
0V
s. 2V/DIV.
CN902
STOP/ PLAY
R206
27K
C204
330P
E
F
G
H
R202
SEG20
SEG32
4.6V
C209
0.01
E
C215 0.1
R913
560
R912
330
R909
D904
SELS5923C
(SELECT)
B
C
D
E
F
M
D
D905
B3AGA0000079
(PWR / )
C
A
R307
3.3K
3.7V
4.4V
e
R302
100K
5.2V
STOP/ PLAY
5V
)
f
C
C
D
D
C308
0.01
0V
-13.6V
-13.6V
R904
R903
R902
D901
0.3V
g
R919
100K
R921
S901
(PWR /
h
FL DRIVE
0.5
C907
0.1
R910
820
i
IC901
C0HBB0000030
56P
33K
56P
33K
56P
33K
D902
MA111TX
C911
0.01
C906
0.01
C909
6.3V100
-27.9V
C905
10V4.7
S902
(SELECT)
j
A
B
1
2
3
4
5
6
7
8
9
10
11
12
C309
0.01
SEG19
SEG33
C912
R906
C913
R907
C914
R908
7ms.
R901
22K
FL DRIVE
k
C910
39P
-27.8V
Q901
UN521MTX
Vss
XIN
-23V
4.3V
1.9V
P0
P1
SCK
5V
0V
-30V
m
4.2V
D
D906
MAZ80510LL
SEG18
SEG26
SEG17
SEG34
XOUT
SEG35
Vcc1
SDATA
2.6V
3.7V
3.4V
4.2V
-27.8V
K
J
STOP/ PLAY
T
-27.6V
-27.6V
I
CN901
1
2
3
4
5
6
7
8
9
10
11
12
C304
100P
H
CN901
3
C303
100P
G
2
C920
F
1
C908
0.01
E
27K 1.9V
D
R905
C
-27.6V
-27.6V
B
CS
DIG2
A
E
RJ49
0
10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32
DIG0
DIG3
9
DIG1
DIG4
8
-27.6V
DIG5
7
-27.6V
6
-27.6V
DIG6
RESET
SEG16
SEG15
SEG14
SEG13
SEG11
SEG12
SEG9
SEG10
SEG8
SEG7
SEG6
SEG5
SEG4
SEG3
SEG2
SEG1
SEG0
Vcc2
SEG39/ DIG15
5
-27.6V
DIG7
SEG38/ DIG14
4
-27.6V
3
-27.6V
2
-27.6V
DIG8
7ms.
DIG9
T
1
F
VR901
(VOLUME)
5V
0V
-30V
DIG10
SEG37/ DIG13
STOP/ PLAY
DIG11
SEG36/ DIG12
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40 39 38 37 36 35 34 33
SA-DT300(PP) FL,HEADPHONE,MAIN CIRCUIT DIAGRAM
1
2
3
4
5
6
7
8
9
10
11
12
SCHEMATIC DIAGRAM-2
C MAIN CIRCUIT
:NEGATIVE VOLTAGE LINE
:POSITIVE VOLTAGE LINE
To TUNER CIRUIT(CP301)
on SCHEMATIC DIAGRAM-10/9-A
SYNC
CD REQ
CT.GND
CS
DC10V
D.GND
SCLK
DATA
AMP REQ
V.GND
SUB
CNT
AMP PWR
MIX Rch IN
MIX Lch IN
FR IN
A.GND
FL IN
SR IN
SL IN
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
:AUDIO SIGNAL LINE
11 10 9 8 7 6 5 4 3 2 1
CN301
CP301
R604
1K
R409
3.9K
2.4V
C606
50V4.7
B A
C607
50V4.7
C601
6.3V100
C
RJ18
0
5V
FM/ AM
g
4.7K
L604
C630
1
C626
10V220
FM/ AM
0.8V
P-P
3.5V
P-P
F=1MHz
F=1MHz
2.4V
2.4V C635
1
2.5V
A
4.9V
2.5V
2.4V
2.4V C633
B
1
4.7V
1.5V
1.2V
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
R605
47
f
-6.2V
5.2V
4.9V
NC
NC
NC
TST1
TST0
GND
I2CS
/ ERR
NC
IFDO
IFDI
IFCK
/ CS
NC
/ RST
VDD
DOUT
NC
DIN0
DIN1
NC
DIN2
NC
EBC I/ O
C608
1
DIGITAL SIGNAL
PROCESSOR
GND2
Lch
32
GND3
0V
30
0V
28
27
Rch
0V
26
-6.3V
25
Rch
5.7V
24
AVss
0V
23
B
A
C
DVDD
10
11
0V
0V
C515
16V10
12
0V
13
0V
16
0V
17
0V
18
0V
C531
50V2.2
19
5V
R521
4.7K
AVDD
0V
0V
2
3
0V
C629
6.3V47
C631
6.3V100
C628
6.3V100
-6.2V
5
Z1
6
7
C620
0.01
C625
0.01
C624
0.1
C632
0.01
R617
270
8
INH
Z0
R382
100
Y0
0V
4
Vss
G
RJ12
0
IC301
BU4053BCFE2
RJ10
0
SIGNAL SELECTOR
21
5.8V
VDD
5.8V
4.9V
X1
13
14
15
16
0V
0V
0V
A
0V
C
B
11
X0
12
10
4.8V
t
9
4.8V
4.8V
C644
1
B
A
R429
R427
A
4.7K
4.7K
R430
22K
B
R528
22K
C516
220P
B
20
5.8V
R620
1.2K
A
Y1
n
p
q
R523
4.7K
A
0V
R512
12K
C522
47P
R519
390
9
0V
R520
4.7K
C511
16V10
C507
220P
8
C528
0.1
7
0V
D501
MAZ80510LL
C506
16V10
6
0V
R527
3.3K
5
0V
C512
1
4
0V
R510
0
R508 3.3K
R502
22K
3
0V
R506
12K
C502
1
0V
R503
100K
2
1
DGND
14
15
C643
1
C356
0.1
GND
C617 C622
2200P 2200P
RJ13
0
0V
PORT3
LATCH CLOCK
C616
0.1
5.7V
22
PORT2
DATA
SMCH
PORT1
SMCH
C615
6.3V100
C357
0.1
C527
0.01
0V
29
OUT PUT PORT
CCH
C621
R504
100K
RJ74
0
O
1
CCH
C612
12P
C610
5P
0V
31
C618
16V10
C640
2200P
33
C525
50V3.3
3.3K
0V
34
R610
1.2K
5.8V
R619
1.2K
C639
2200P
Lch
AVDD
0V
35
N
R526
100K
36
R609
270
C619
16V10
R525
100K
0V
37
R530
22K
R614
1.2K
R613
270
R606
1M
PORT3
38
R529
22K
PORT2
39
m
r
C520
16V10
C519
100P
R515
0V
R516
12K
SOUND CONTROLLER
(VOLUME CONT.)
0V
0V
40
k
PORT1
0V
41
C508
16V10
C505
100P
R511
5.8V
42
IC501
M62444FPE1
C517
1
3.3K
C501
1
R507
12K
j
i
RJ6
0
C514
50V3.3
C504
0.1
RJ11
0
M
R618
270
B
R428
22K
u
N
C613
1
X601
(36.86MHz)
RJ41
0
R607
220
C609
0.01
G
C648
0.1
1
A
2.4V
4.9V
4.9V
2.5V
IC601
C2HBZC000013
L603
4.9V
C641
1
C605
50V1
L601
R603
1K
R421
100K
R410
3.9K
RJ14
0
RJ15
0
R422
2.2K
C604
50V1
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
C637
0.01
R601
1K
M
L
ELR I/ O
SYNC
GND R
VDDR
NC
GND A4
NC
AI4
AO4
NC
AOT4
NC
VDA34
AOT3
AO3
AI3
2.3V
C602
50V1
2.4V
2.4V
2.4V
1K
2.5V
2.4V
R622
LIN4
LIN3
LIN2
LIN1
RIN4
RIN3
RIN2
RIN1
NC
GNDAL
OUTL
VRAL
VDAL
VDAR
VRAR
OUTR
2.5V
50V1
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
2.4V
2.4V
R414
22K
RJ7
0
C647
R602
1K
GND AR
VDX
XI
XO
GND X
NC
GND A1
AI1
AO1
NC
AOT1
NC
VDA12
AOT2
AO2
NC
AI2
GND A2
NC
VRO1
VRI
NC
VRO2
GND A3
2.4V
2.4V
C603
50V1
C623
0.022
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41
R621
1K
R413
22K
C374
2200P
C373
2200P
2.7K
33K
33K
C646
50V1
0V
0V
5.2V
H
I
L
RJ48
0
R417
R406
R405
R418
2.7K
8.2K
47K
47K
F
L602
4.9V
2.5V
2.4V
4.9V
2.5V
6.8K
1K
5.6K
9V
10V
R616
R608
330
C611
0.022
C614
0.01
330
330
R611
R612
RJ50
0
G H
R416
8.2K
E
L
6.8K
5.6K
5.6K
D E F
RJ42
0
R415
R355
R404
J K
R615
100K
R411
R408
R407
W X
R412
V
C346
U
R420
R419
0.1
I
F
H
I
:AM SIGNAL LINE
:FM SIGNAL LINE
CL
DO
DI
Lch IN
CE
Rch IN
NC
+B(2)
SD
NC
T.GND
To SL-DT300 (CN1)
SA-DT300(PP) MAIN CIRCUIT DIAGRAM
13
14
15
16
17
18
19
20
21
22
23
24
SCHEMATIC DIAGRAM-2
C MAIN CIRCUIT
:NEGATIVE VOLTAGE LINE
:POSITIVE VOLTAGE LINE
To TUNER CIRUIT(CP301)
on SCHEMATIC DIAGRAM-10/9-A
SYNC
CD REQ
CT.GND
CS
DC10V
D.GND
SCLK
DATA
AMP REQ
V.GND
SUB
CNT
AMP PWR
MIX Rch IN
MIX Lch IN
FR IN
A.GND
FL IN
SR IN
SL IN
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20
:AUDIO SIGNAL LINE
11 10 9 8 7 6 5 4 3 2 1
CN301
CP301
H
I
L
R604
1K
R409
3.9K
2.4V
C606
50V4.7
B A
C607
50V4.7
C601
6.3V100
C
RJ18
0
C608
1
5V
FM/ AM
g
4.7K
L604
C630
1
C626
10V220
5.2V
4.9V
FM/ AM
0.8V
P-P
3.5V
P-P
F=1MHz
F=1MHz
2.4V
2.4V C635
1
2.5V
A
4.9V
2.5V
2.4V
2.4V C633
B
1
4.7V
1.5V
1.2V
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24
R605
47
f
-6.2V
DIGITAL SIGNAL
PROCESSOR
GND2
Lch
32
GND3
0V
30
0V
28
27
Rch
0V
26
-6.3V
25
Rch
5.7V
24
AVss
0V
23
B
A
C
DVDD
10
11
0V
0V
C515
16V10
12
0V
13
0V
16
0V
17
0V
18
0V
C531
50V2.2
19
5V
R521
4.7K
AVDD
0V
0V
2
3
0V
C629
6.3V47
C631
6.3V100
C628
6.3V100
-6.2V
5
Z1
6
7
C620
0.01
C625
0.01
C624
0.1
C632
0.01
R617
270
8
INH
Z0
R382
100
Y0
0V
4
Vss
G
RJ12
0
IC301
BU4053BCFE2
RJ10
0
SIGNAL SELECTOR
21
5.8V
VDD
5.8V
4.9V
X1
13
14
15
16
0V
0V
0V
A
0V
C
B
11
X0
12
10
4.8V
t
9
4.8V
4.8V
C644
1
B
A
R429
R427
A
4.7K
4.7K
R430
22K
B
R528
22K
C516
220P
B
20
5.8V
R620
1.2K
A
Y1
n
p
q
R523
4.7K
A
0V
R512
12K
C522
47P
R519
390
9
0V
R520
4.7K
C511
16V10
C507
220P
8
C528
0.1
7
0V
D501
MAZ80510LL
C506
16V10
6
0V
R527
3.3K
5
0V
C512
1
4
0V
R510
0
R508 3.3K
R502
22K
3
0V
R506
12K
C502
1
0V
R503
100K
2
1
DGND
14
15
C643
1
C356
0.1
GND
C617 C622
2200P 2200P
RJ13
0
0V
PORT3
LATCH CLOCK
C616
0.1
5.7V
22
PORT2
DATA
SMCH
PORT1
SMCH
C615
6.3V100
C357
0.1
C527
0.01
0V
29
OUT PUT PORT
CCH
C621
R504
100K
RJ74
0
O
1
CCH
C612
12P
C610
5P
0V
31
C618
16V10
C640
2200P
33
C525
50V3.3
3.3K
0V
34
R610
1.2K
5.8V
R619
1.2K
C639
2200P
Lch
AVDD
0V
35
N
R526
100K
36
R609
270
C619
16V10
R525
100K
0V
37
R530
22K
R614
1.2K
R613
270
R606
1M
PORT3
38
R529
22K
PORT2
39
m
r
C520
16V10
C519
100P
R515
0V
R516
12K
SOUND CONTROLLER
(VOLUME CONT.)
0V
0V
40
k
PORT1
0V
41
C508
16V10
C505
100P
R511
5.8V
42
IC501
M62444FPE1
C517
1
3.3K
C501
1
R507
12K
j
i
RJ6
0
C514
50V3.3
C504
0.1
RJ11
0
M
R618
270
B
R428
22K
u
N
C613
1
X601
(36.86MHz)
RJ41
0
R607
220
C609
0.01
G
C648
0.1
1
A
2.4V
4.9V
4.9V
2.5V
IC601
C2HBZC000013
L603
4.9V
C641
1
C605
50V1
L601
R603
1K
R421
100K
R410
3.9K
RJ14
0
RJ15
0
R422
2.2K
C604
50V1
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
C637
0.01
R601
1K
M
L
ELR I/ O
SYNC
GND R
VDDR
NC
GND A4
NC
AI4
AO4
NC
AOT4
NC
VDA34
AOT3
AO3
AI3
2.3V
C602
50V1
2.4V
2.4V
2.4V
1K
LIN4
LIN3
LIN2
LIN1
RIN4
RIN3
RIN2
RIN1
NC
GNDAL
OUTL
VRAL
VDAL
VDAR
VRAR
OUTR
2.5V
2.4V
R622
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
4.9V
2.5V
2.4V
4.9V
2.5V
R414
22K
RJ7
0
50V1
R602
1K
2.5V
R413
22K
2.4V
2.4V
2.4V
2.4V
R621
1K
C603
50V1
C647
64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41
NC
NC
NC
TST1
TST0
GND
I2CS
/ ERR
NC
IFDO
IFDI
IFCK
/ CS
NC
/ RST
VDD
DOUT
NC
DIN0
DIN1
NC
DIN2
NC
EBC I/ O
C646
50V1
C374
2200P
2.7K
33K
33K
C373
2200P
RJ48
0
0V
0V
5.2V
F
C623
0.022
GND AR
VDX
XI
XO
GND X
NC
GND A1
AI1
AO1
NC
AOT1
NC
VDA12
AOT2
AO2
NC
AI2
GND A2
NC
VRO1
VRI
NC
VRO2
GND A3
8.2K
47K
47K
R417
R406
R405
R418
2.7K
9V
10V
R616
R608
330
6.8K
1K
5.6K
B
A
L602
C614
0.01
330
330
R611
R612
RJ50
0
G H
C611
0.022
R416
8.2K
E
L
6.8K
5.6K
5.6K
D E F
RJ42
0
R415
R355
R404
J K
R615
100K
R411
R408
R407
W X
R412
V
C346
U
R420
R419
0.1
I
F
H
I
:AM SIGNAL LINE
:FM SIGNAL LINE
CL
DO
DI
Lch IN
CE
Rch IN
NC
+B(2)
SD
NC
T.GND
To SL-DT300 (CN1)
SA-DT300(PP) MAIN CIRCUIT DIAGRAM
13
14
15
16
17
18
19
20
21
22
23
24
F
C348
100P
a
C349
0.01
0V
5
6
7
0V
8
0V
R369
68K
5.9V
R370
3.3K
R368
1K
C362
16V10
T
C351
100P
C355
22P
R371
100K
i
C367
16V10
U
Q306
UN5115TX
R377
22K
RJ39
0
RJ54 RJ51
0
0
C957
10V10
C312 R326
10V4.7 3.3K
P
Y
-6.2V
g
5.1V
R332
100K
IC305
M5218AP
C316
22P
BUFFER AMP
R328
39
R330
0
V
-6.2V
MUTING
0V
R384
1K -6.2V
R386
1K
3
5
2
6
0V
1
RJ52
-6.2V 0
0V
R323
470
0V
R869
1K
0V
-6.1V
4
7
8
0V
C311 R325
10V4.7 3.3K
C317
0.01
ATTENUATOR
0V
C320
1000P
Q303
B1GFGCAA0001
R385
1K
R324
470
R983
4.7K
Q304
B1GFGCAA0001
C318
0.01
N
0V
C315
22P
R327
39
5.9V
W
R329
0
X
0V
5V
R331
100K
C319
1000P
R389
3.3K
C313
100P
R393
3.3K
MUTING CONT.
5.1V
-6.2V
C370
50V4.7
MUTING CONT.
5.1V
-6.1V
R394
3.3K
MUTING CONT.
0V
-6.1V
Q307
UN5115TX
R441
22K
Q315
UN5115TX
C371
10V10
O
R397
22K
ATTENUATOR CONT.
0V
-6.2V
Q311
B1ABGC000001
MUTING CONT. R376
-6.1V
5.1V 3.3K
C365
16V2.2
R367
1K
C314
100P
Q
R400
1K
R379
18K
u
Q309
UN5115TX
R401 MUTING CONT.
3.3K -0.4V
-6.1V
MUTING
0V
1
0V
0V
A
B
C
n
R
1K
1K
1K
Q310
UN5115TX
RJ2
0
R360
1K
R374
100K
0V
2
Q302
B1GFGCAA0001
-6.2V
RJ37
0
R387
1K -6.2V
S
0V
3
R378
5.6K
R990
1K
1K
U e b T C D
R372 RJ36 C363
1.5K 0
16V10
R373
18K
-6.2V
E
0
R988
R995
R996
RJ1
0
C359
16V10
S
R322
22K
RJ30
R357
3.3K
C353
22P
-6.1V
4
R366
39K
V d
0V
5.9V
R359
100K
C344
100P
C352
100P
R942
22K
C345
22P
BUFFER AMP
O
H
P
100
R402
150K
A B
R365
100K
R933
22K
R919
1K
R918
1K
R982
SWITCHING
X G
0V
8
0V
IC304
NJM4558MTE1
R375
2.7K
R399
10K
R829
Q731
XN0450100L
W
O
R871
R857
4.7K
4.7K
5.6K
10K
22K
22K
C350
0.01
1K
1K
1K
1K
1K
1K
1K
1K
R959
R958
R957
R956
R955
R954
R953
R952
RJ32
0
1K
RJ31
R920
2.2K
1K
1K
1K
10K
100
10K
0
10K
0
0
10K
R980
4.7K
R909
R912
1K
R870
R967
R969
R971
R863
R978
R865
R866
R974
R853
4.7K
R852
4.7K
0.7V
C
q
R856
4.7K
R872
R938
R937
R936
R935
C949
1000P
1K
R911
1K
0.5V
F=10MHz
0.4V
RJ55
0
R851
10K
SWITCHING
0.6V
0V
R854
10K
2.5V
R855
47K
Q942
2SD1819ATX
R858
47K
D947
MA111TX
R860
10K
2.8V
P-P
B
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
D948
MA111TX
R859
22K
FM/ AM
100K
B
4.8V
P-P
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
0.6V
0V
5.1V
5.1V
0V
0V
0V
5.2V
0V
5.2V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
7
R358
22K
C378
50V4.7
100
100
SYSTEM CONTROL
R994
4.7K
R991
R993
FM/ AM
100K
A
IC941
C2CBHG000095
F=10MHz
MUTING
0V
R
R442
3.3K
100
3.8V
P-P
R830
R989
FM/ AM
F=35kHz
N
5.2V
3.7V
0.5V
0.7V
2.5V
1.6V
5V
4.9V
5V
4.8V
0.9V
5.1V
4.6V
5.2V
5.2V
0V
0V
5V
4V
L
K
F=35kHz
1
j
R321
22K
R987
100
2.8V
P-P
1K
100
4.7K
4.7K
100
100
1K
1K
1K
1K
1K
C948
0.022
G
1K
0V
2
6
R356
2.7K
A
TUN DIN/ ST
TUN CE
HP MUT
LED STBY2
LED TIMER
LED STBY
CS0
CS1
CS2
CS3
CS4
CR TIMER
VR ATT
HP
E2P CB
E2P CLK
E2P DIO
VOL LTCH
NJU CK
NJU DO
FM/ AM
3
0V
R398
150K
R914
1.8V
5.1V
5.1V
3.4V
5.1V
5.1V
5.1V
5V
5.1V
0V
-6.1V
4
5
C368
50V4.7
O
Q
Q301
B1GFGCAA0001
D950
MA111TX
X942
FL SCK
FL CS
FL RST
DSP DATA
DSP CLK
CNVss
XC IN
XC OUT
RST
X OUT
Vss
X IN
Vcc
CNT.F
AC IN
REMOTE
DSP1 RST
DSP1 CS
MUTE F & SW
MUTE C & S
C361
16V10
0V
C955
0.01
100
5V
2.4V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
R932
R928
R927
R926
R925
R931
R924
R923
R922
R930
R929
RJ17
0
R977
C947 0.1
680
100
100
100
2.2K
RJ38
0
-6.2V
220P
220P
100K
100K
100K
R973
820K
I
J
I
R997
10K
R961
1K
R964
R966
R968
R970
R972
R363
3.3K
-6.2V
R962
680
4.5V
3.9V
5.1V
0V
0V
0V
R364
22K
BUFFER AMP
C954
220P
FL DATA
F61
AVcc
VREF
KEY
AVss
FAN DET
AMP SHTDN
AMP ERR
RDS RDYIN
RDS CLK
RDS DIN
PQ DET
FRQ SHIFT
FAN2
FAN1
POWER
TUN SD
TUN CLK
TUN DOUT
R963
680
R362
2.7K
22K
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61
N
J
K
L
M
C347
22P
IC303
NJM4558MTE1
p
D949
MAZ80510LL
CEK
PMD DIN
PMD DOUT
DVD & AMP DOUT
DVD DIN
DVD & AMP CLK
DVD & AMP CS
MD DOUT
MD DIN
MD CLK
MD CS
DVD REQ
MD RST
MD REQ
LOAD SW
JOG B
JOG A
MUTE SW
DA RST
NJU ST
R861
22K
R981
100K
330
C956
C941
R948
R947
R946
3.6V
5.2V
5.2V
5.2V
5.2V
L941
C950
10V1000
R984
560
C944
0.1
D946
1SS380TE-17
E G
R998
15K
C942
220P
C951
0.1
0V
R713
R941
R945
1K
5.1V
RJ72
0
5.9V
RESET
D945
MA111TX
D941
1SS380TE-17
R943
47K
Q941
UN5214TX
C952
50V3.3
J K L M H D F
0
100K
A B
R939
10K
E F A B C
R944
1K
R999
D
R951
R950
C
R992
100K
:AUDIO SIGNAL LINE
C953
0.01
:NEGATIVE VOLTAGE LINE
R960
C943
0.1
:POSITIVE VOLTAGE LINE
2.8V
3.1V
3.1V
0V
0V
0V
0V
0V
0V
4.8V
5V
0.1V
0V
0V
SCHEMATIC DIAGRAM-3
C MAIN CIRCUIT
r
Z
B
a
A
b
SA-DT300(PP) MAIN CIRCUIT DIAGRAM
25
26
27
28
29
30
31
32
33
34
35
36
F
C348
100P
a
C349
0.01
0V
5
6
7
0V
8
0V
R369
68K
5.9V
R370
3.3K
R368
1K
C362
16V10
T
C351
100P
C355
22P
R371
100K
i
C367
16V10
U
Q306
UN5115TX
R377
22K
RJ39
0
RJ54 RJ51
0
0
C957
10V10
C312 R326
10V4.7 3.3K
P
Y
-6.2V
g
5.1V
R332
100K
IC305
M5218AP
C316
22P
BUFFER AMP
R328
39
R330
0
V
-6.2V
MUTING
0V
R384
1K -6.2V
R386
1K
3
5
2
6
0V
1
RJ52
-6.2V 0
0V
R323
470
0V
R869
1K
0V
-6.1V
4
7
8
0V
C311 R325
10V4.7 3.3K
C317
0.01
ATTENUATOR
0V
C320
1000P
Q303
B1GFGCAA0001
R385
1K
R324
470
R983
4.7K
Q304
B1GFGCAA0001
C318
0.01
N
0V
C315
22P
R327
39
5.9V
W
R329
0
X
0V
5V
R331
100K
C319
1000P
R389
3.3K
C313
100P
R393
3.3K
MUTING CONT.
5.1V
-6.2V
C370
50V4.7
MUTING CONT.
5.1V
-6.1V
R394
3.3K
MUTING CONT.
0V
-6.1V
Q307
UN5115TX
R441
22K
Q315
UN5115TX
C371
10V10
O
R397
22K
ATTENUATOR CONT.
0V
-6.2V
Q311
B1ABGC000001
MUTING CONT. R376
-6.1V
5.1V 3.3K
C365
16V2.2
R367
1K
C314
100P
Q
R400
1K
R379
18K
u
Q309
UN5115TX
R401 MUTING CONT.
3.3K -0.4V
-6.1V
MUTING
0V
1
0V
0V
A
B
C
n
R
1K
1K
1K
Q310
UN5115TX
RJ2
0
R360
1K
R374
100K
0V
2
Q302
B1GFGCAA0001
-6.2V
RJ37
0
R387
1K -6.2V
S
0V
3
R378
5.6K
R990
1K
1K
U e b T C D
R372 RJ36 C363
1.5K 0
16V10
R373
18K
-6.2V
E
0
R988
R995
R996
RJ1
0
C359
16V10
S
R322
22K
RJ30
R357
3.3K
C353
22P
-6.1V
4
R366
39K
V d
0V
5.9V
R359
100K
C344
100P
C352
100P
R942
22K
C345
22P
BUFFER AMP
O
H
P
100
R402
150K
A B
R365
100K
R933
22K
R919
1K
R918
1K
R982
SWITCHING
X G
0V
8
0V
IC304
NJM4558MTE1
R375
2.7K
R399
10K
R829
Q731
XN0450100L
W
O
R871
R857
4.7K
4.7K
5.6K
10K
22K
22K
C350
0.01
1K
1K
1K
1K
1K
1K
1K
1K
R959
R958
R957
R956
R955
R954
R953
R952
RJ32
0
1K
RJ31
R920
2.2K
1K
1K
1K
10K
100
10K
0
10K
0
0
10K
R980
4.7K
R909
R912
1K
R870
R967
R969
R971
R863
R978
R865
R866
R974
R853
4.7K
R852
4.7K
0.7V
C
q
R856
4.7K
R872
R938
R937
R936
R935
C949
1000P
1K
R911
1K
0.5V
F=10MHz
0.4V
RJ55
0
R851
10K
SWITCHING
0.6V
0V
R854
10K
2.5V
R855
47K
Q942
2SD1819ATX
R858
47K
D947
MA111TX
R860
10K
2.8V
P-P
B
21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40
D948
MA111TX
R859
22K
FM/ AM
100K
B
4.8V
P-P
60
59
58
57
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
0.6V
0V
5.1V
5.1V
0V
0V
0V
5.2V
0V
5.2V
0V
0V
0V
0V
0V
0V
0V
0V
0V
0V
7
R358
22K
C378
50V4.7
100
100
SYSTEM CONTROL
R994
4.7K
R991
R993
FM/ AM
100K
A
IC941
C2CBHG000095
F=10MHz
MUTING
0V
R
R442
3.3K
100
3.8V
P-P
R830
R989
FM/ AM
F=35kHz
N
5.2V
3.7V
0.5V
0.7V
2.5V
1.6V
5V
4.9V
5V
4.8V
0.9V
5.1V
4.6V
5.2V
5.2V
0V
0V
5V
4V
L
K
F=35kHz
1
j
R321
22K
R987
100
2.8V
P-P
1K
100
4.7K
4.7K
100
100
1K
1K
1K
1K
1K
C948
0.022
G
1K
0V
2
6
R356
2.7K
A
TUN DIN/ ST
TUN CE
HP MUT
LED STBY2
LED TIMER
LED STBY
CS0
CS1
CS2
CS3
CS4
CR TIMER
VR ATT
HP
E2P CB
E2P CLK
E2P DIO
VOL LTCH
NJU CK
NJU DO
FM/ AM
3
0V
R398
150K
R914
1.8V
5.1V
5.1V
3.4V
5.1V
5.1V
5.1V
5V
5.1V
0V
-6.1V
4
5
C368
50V4.7
O
Q
Q301
B1GFGCAA0001
D950
MA111TX
X942
FL SCK
FL CS
FL RST
DSP DATA
DSP CLK
CNVss
XC IN
XC OUT
RST
X OUT
Vss
X IN
Vcc
CNT.F
AC IN
REMOTE
DSP1 RST
DSP1 CS
MUTE F & SW
MUTE C & S
C361
16V10
0V
C955
0.01
100
5V
2.4V
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
R932
R928
R927
R926
R925
R931
R924
R923
R922
R930
R929
RJ17
0
R977
C947 0.1
680
100
100
100
2.2K
RJ38
0
-6.2V
220P
220P
100K
100K
100K
R973
820K
I
J
I
R997
10K
R961
1K
R964
R966
R968
R970
R972
R363
3.3K
-6.2V
R962
680
4.5V
3.9V
5.1V
0V
0V
0V
R364
22K
BUFFER AMP
C954
220P
FL DATA
F61
AVcc
VREF
KEY
AVss
FAN DET
AMP SHTDN
AMP ERR
RDS RDYIN
RDS CLK
RDS DIN
PQ DET
FRQ SHIFT
FAN2
FAN1
POWER
TUN SD
TUN CLK
TUN DOUT
R963
680
R362
2.7K
22K
80 79 78 77 76 75 74 73 72 71 70 69 68 67 66 65 64 63 62 61
N
J
K
L
M
C347
22P
IC303
NJM4558MTE1
p
D949
MAZ80510LL
CEK
PMD DIN
PMD DOUT
DVD & AMP DOUT
DVD DIN
DVD & AMP CLK
DVD & AMP CS
MD DOUT
MD DIN
MD CLK
MD CS
DVD REQ
MD RST
MD REQ
LOAD SW
JOG B
JOG A
MUTE SW
DA RST
NJU ST
R861
22K
R981
100K
330
C956
C941
R948
R947
R946
3.6V
5.2V
5.2V
5.2V
5.2V
L941
C950
10V1000
R984
560
C944
0.1
D946
1SS380TE-17
E G
R998
15K
C942
220P
C951
0.1
0V
R713
R941
R945
1K
5.1V
RJ72
0
5.9V
RESET
D945
MA111TX
D941
1SS380TE-17
R943
47K
Q941
UN5214TX
C952
50V3.3
J K L M H D F
0
100K
A B
R939
10K
E F A B C
R944
1K
R999
D
R951
R950
C
R992
100K
:AUDIO SIGNAL LINE
C953
0.01
:NEGATIVE VOLTAGE LINE
R960
C943
0.1
:POSITIVE VOLTAGE LINE
2.8V
3.1V
3.1V
0V
0V
0V
0V
0V
0V
4.8V
5V
0.1V
0V
0V
SCHEMATIC DIAGRAM-3
C MAIN CIRCUIT
r
Z
B
a
A
b
SA-DT300(PP) MAIN CIRCUIT DIAGRAM
25
26
27
28
29
30
31
32
33
34
35
36
SCHEMATIC DIAGRAM-4
C MAIN CIRCUIT
:POSITIVE VOLTAGE LINE
:NEGATIVE VOLTAGE LINE
:AUDIO SIGNAL LINE
-6.3V
Y
-6.3V
C329
470P
REGULATOR
C338
0.15
R347
33K
R345
8.2K
R344
47K
IC728
C0CBAEE00004
REGULATOR
VOUT
VIN
GND
VOUT
Vss
VIN
VOUT
VIN
GND
VOUT
Vss
VIN
IN
GND
OU T
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
5V
C335
10V33
8.5V
5V
C748
0.1
C751
0.1
C726
0.33
8.5V
C754
0.1
5V
8.5V
0V
3.3V
C762
0.1
C761
0.1
C327
100P
IC727
C0CBABC00119
REGULATOR
C340
0.068
R383
22K
IC726
C0CBADE00034
REGULATOR
R346
33K
C339
0.012
-6.2V
D302
R341
8.2K
D303
R390
1K
MUTING
D301
MA111TX
C333
0.01
R333
47
Q305
B1GFGCAA0001
C325
0.068
R313
47K
X
C337
0.033
D302,303
MA111TX
R339
8.2K
R343
270K
C323
0.068
C336
0.033
RJ46
0
R335
56
IC723
C0CBADE00031
REGULATOR
C321
16V10
IC722
C0CBADE00034
8.5V
C755
1
8.5V
C749
1
6.1V
C744 C740
0.1 10V4.7
L721
-6.2V
0V
23
0V
22
0V
21
R391
1K
-6.1V 0V
20
19
VEE
0V
18
0V
17
0V
16
0V
15
0V
14
L
0V
13
3.3K
0V
24
22K
0V
Q722
B1BCJJ000001
GND
OU T
3
1
2
12.5V
R738
0.47
12.5V
Q455
R451
4.7K
-8V
D729
MA111TX
R465
100
D751
MA111TX
C456
16V22
RJ73
0
-8.7V
-8.7V
R454
4.7K
R453
4.7K
FAN MOTOR DRIVE
5.5V
0V
K
R728
3.9K
C736
25V1000
D736
MA8068MTX
Q456
-0.2V
Q451
UN5211TX
L
RJ8
0
0V
C459
0.01
STABILIZER
R733
470
9.4V
0V
FAN MOTOR DRIVE
0.6V
0V
Q727
2SD1819ATX
10V
FAN MOTOR DRIVE FAN MOTOR DRIVE R466
68K
5.2V
0V
Q452
UN5115TX
12.5V
R732
2.2K
Q453
Q456
2SD1819ATX 2SB1218TX
R468
22
C747
1000P
C742
16V47
C331
16V22
D737
D731
MA111TX MAZ80910HL
R423
1K
D725
MA143TX
R731
3.3K
C342
1
U
REGULATOR
10V
13.2V
R741
470
D
N
Q729
2SA20570P
k
R739
0.47
C454
6.3V220
C343
1
REGULATOR
10V
13.2V
D451
MA111TX
Q733
2SA20570P
R730
2.2
-11.8V
C
R352
10K
R351
10K
REGULATOR
-6.2V
D754
MA111TX
-6.8V
m
F E D
Q724
B1BCJJ000001
C739
0.1
RJ47
0
D711-713
RL1N4003N02
5V
5.8V
6V
C735
0.1
R452
10K
C334
0.01
RJ16
0
9.4V
E
D456
MA111TX
8.9V
C756
0.1
RJ35
0
f
t
-3.8V
3
2
13.5V
C733
0.33
5.2V
C457
50V0.47
IN
C
D732
MA8082MTX
OU T
R467
100K
RJ34
0
9V
5.8V
R723
100
C753
16V47
1
GND
RJ45
0
IN
RJ354
0
V
W
-8.3V
SWITCHING
PRE AMP
R350
4.7K
Q721
2SD1819ATX
C728
25V1000
-0.8V
5.5V
Q454
2SB12190WL
6.1V
Q455
B1ABGC000001
FAN MOTOR DRIVE
D457
RL1N4003N02
REGULATOR
R349
4.7K
C723
0.01
IC302
M62456FPE1
R737
1K
REGULATOR
1.7V
IC729
C0CBAEE00003
D453
MA111TX
IC725
C0CBAHE00002
D734
RL1N4003N02
REGULATOR
-7.6V
-12V
C752
0.01
12
C732
16V100
11
C458
0.01
10
C727
16V10
9
1.7V
R342
12K
R338
68K
8
5.8V
C330
100P
R340
8.2K
7
D713
C328
100P
0V
6
D711
0V
5
R725
39K
4
D712
R336
56
C326
0.068
C712
0.1
C322
16V10
3
D304
MA111TX
C324
0.068
R392
22K
2
0V
R727
33K
C332 R424
16V22 3.3K
R334
47
R721
220
D722
MA8043MTX
RJ40
0
1
0V
R337
68K
5.1V
C310
16V22
VCC
D728
RL1N4003N02
D730
MA111TX
D753
MA111TX
R740
1K
D752
MA111TX
22K
1.8K
3.9K
GV
6dB
22K
27K
10K
R314 MUTING
1K 5.1V
-6.2V
N
FAN MOTOR DRIVE
H
F
15.3V
Q726
2SB621RSTA
C757
63V47
R316 C380
8.2K 0.01
R729
4.7K
G
D727
MAZ83000HL
C722
0.047
-31V
A
R426
5.6K
D740
RL1N4003N02
REGULATOR
-30.4V
-38.9V
C
C724
0.047
R315 C379
5.6K 0.022
R425
47K
D
C731
50V100
Z
GV
10dB
22K
N
RJ53
0
P
15K
Q314
UN5115TX
A
B
3.3V
5V
L722
M
SA-DT300(PP) MAIN CIRCUIT DIAGRAM
37
38
39
40
41
42
43
44
45
46
47
48
SCHEMATIC DIAGRAM-4
C MAIN CIRCUIT
:POSITIVE VOLTAGE LINE
:NEGATIVE VOLTAGE LINE
:AUDIO SIGNAL LINE
-6.3V
Y
-6.3V
C329
470P
REGULATOR
C338
0.15
R347
33K
R345
8.2K
R344
47K
IC728
C0CBAEE00004
REGULATOR
VOUT
VIN
GND
VOUT
Vss
VIN
VOUT
VIN
GND
VOUT
Vss
VIN
IN
GND
OU T
1
2
3
1
2
3
1
2
3
1
2
3
1
2
3
5V
C335
10V33
8.5V
5V
C748
0.1
C751
0.1
C726
0.33
8.5V
C754
0.1
5V
8.5V
0V
3.3V
C762
0.1
C761
0.1
C327
100P
IC727
C0CBABC00119
REGULATOR
C340
0.068
R383
22K
IC726
C0CBADE00034
REGULATOR
R346
33K
C339
0.012
-6.2V
D302
R341
8.2K
D303
R390
1K
MUTING
D301
MA111TX
C333
0.01
R333
47
Q305
B1GFGCAA0001
C325
0.068
R313
47K
X
C337
0.033
D302,303
MA111TX
R339
8.2K
R343
270K
C323
0.068
C336
0.033
RJ46
0
R335
56
IC723
C0CBADE00031
REGULATOR
C321
16V10
IC722
C0CBADE00034
8.5V
C755
1
8.5V
C749
1
6.1V
C744 C740
0.1 10V4.7
L721
-6.2V
0V
23
0V
22
0V
21
R391
1K
-6.1V 0V
20
19
VEE
0V
18
0V
17
0V
16
0V
15
0V
14
L
0V
13
3.3K
0V
24
22K
0V
Q722
B1BCJJ000001
GND
OU T
3
1
2
12.5V
R738
0.47
12.5V
Q455
R451
4.7K
-8V
D729
MA111TX
R465
100
D751
MA111TX
C456
16V22
RJ73
0
-8.7V
-8.7V
R454
4.7K
R453
4.7K
FAN MOTOR DRIVE
5.5V
0V
K
R728
3.9K
C736
25V1000
D736
MA8068MTX
Q456
-0.2V
Q451
UN5211TX
L
RJ8
0
0V
C459
0.01
STABILIZER
R733
470
9.4V
0V
FAN MOTOR DRIVE
0.6V
0V
Q727
2SD1819ATX
10V
FAN MOTOR DRIVE FAN MOTOR DRIVE R466
68K
5.2V
0V
Q452
UN5115TX
12.5V
R732
2.2K
Q453
Q456
2SD1819ATX 2SB1218TX
R468
22
C747
1000P
C742
16V47
C331
16V22
D737
D731
MA111TX MAZ80910HL
R423
1K
D725
MA143TX
R731
3.3K
C342
1
U
REGULATOR
10V
13.2V
R741
470
D
N
Q729
2SA20570P
k
R739
0.47
C454
6.3V220
C343
1
REGULATOR
10V
13.2V
D451
MA111TX
Q733
2SA20570P
R730
2.2
-11.8V
C
R352
10K
R351
10K
REGULATOR
-6.2V
D754
MA111TX
-6.8V
m
F E D
Q724
B1BCJJ000001
C739
0.1
RJ47
0
D711-713
RL1N4003N02
5V
5.8V
6V
C735
0.1
R452
10K
C334
0.01
RJ16
0
9.4V
E
D456
MA111TX
8.9V
C756
0.1
RJ35
0
f
t
-3.8V
3
2
13.5V
C733
0.33
5.2V
C457
50V0.47
IN
C
D732
MA8082MTX
OU T
R467
100K
RJ34
0
9V
5.8V
R723
100
C753
16V47
1
GND
RJ45
0
IN
RJ354
0
V
W
-8.3V
SWITCHING
PRE AMP
R350
4.7K
Q721
2SD1819ATX
C728
25V1000
-0.8V
5.5V
Q454
2SB12190WL
6.1V
Q455
B1ABGC000001
FAN MOTOR DRIVE
D457
RL1N4003N02
REGULATOR
R349
4.7K
C723
0.01
IC302
M62456FPE1
R737
1K
REGULATOR
1.7V
IC729
C0CBAEE00003
D453
MA111TX
IC725
C0CBAHE00002
D734
RL1N4003N02
REGULATOR
-7.6V
-12V
C752
0.01
12
C732
16V100
11
C458
0.01
10
C727
16V10
9
1.7V
R342
12K
R338
68K
8
5.8V
C330
100P
R340
8.2K
7
D713
C328
100P
0V
6
D711
0V
5
R725
39K
4
D712
R336
56
C326
0.068
C712
0.1
C322
16V10
3
D304
MA111TX
C324
0.068
R392
22K
2
0V
R727
33K
C332 R424
16V22 3.3K
R334
47
R721
220
D722
MA8043MTX
RJ40
0
1
0V
R337
68K
5.1V
C310
16V22
VCC
D728
RL1N4003N02
D730
MA111TX
D753
MA111TX
R740
1K
D752
MA111TX
22K
1.8K
3.9K
GV
6dB
22K
27K
10K
R314 MUTING
1K 5.1V
-6.2V
N
FAN MOTOR DRIVE
H
F
15.3V
Q726
2SB621RSTA
C757
63V47
R316 C380
8.2K 0.01
R729
4.7K
G
D727
MAZ83000HL
C722
0.047
-31V
A
R426
5.6K
D740
RL1N4003N02
REGULATOR
-30.4V
-38.9V
C
C724
0.047
R315 C379
5.6K 0.022
R425
47K
D
C731
50V100
Z
GV
10dB
22K
N
RJ53
0
P
15K
Q314
UN5115TX
A
B
3.3V
5V
L722
M
SA-DT300(PP) MAIN CIRCUIT DIAGRAM
37
38
39
40
41
42
43
44
45
46
47
48
:POSITIVE VOLTAGE LINE
:NEGATIVE VOLTAGE LINE
:AUDIO SIGNAL LINE
CN720
A
D
R471
0
R472
0
Q
R
T
S
RJ9
0
J
a
b
O
5V
3.3V
E
RJ3
0
R716
RJ56
0
10K
D
F
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
W705
NC
FR
GND
FL
GND
SL
GND
SR
GND
SUB
GND
CNT
GND
FRQ SHIFT
MUTE FRNT
MUTE REAR
MUTE SUB
RST
+B(5V)
+B(3.3V)
SHTDWN
ERR
GND
GATE BIAS
FAN DET
1
H
To D DIGITAL AMP CIRCUIT(CN102)
on SCHEMATIC DIAGRAM-6/2-A~C
G
REF
To D DIGITAL AMP CIRCUIT(CN101)
on SCHEMATIC DIAGRAM-6/2-D
2
W706
B
A
D
3
GND
F
CN451
1
2
E
~
C711
100V10
E POWER TORANSFORMER CIRCUIT
E
T701
WA721
C745
0.1
C750
35V4700
C
D733
B0FBAP000001
3
2
1
1
2
3
4
5
6
WB721
CN710
AC20.6V
CN707
CN706
D
CN705
CN704
WA722
1
2
3
4
1
2
3
4
AC4.2V
R712
0
CN714
CN703
W3
C
1
2
3
Q701
B1ABGC000001
RELAY DRIVE
0V
0.7V
R702
3.9K
E702
1
SWITCHING
3.4V
2
3
2
1
C701
1000P
R705
10K
C708
16V1000
C709
16V1000
3
C704
50V4.7
R715
0
D703
R708
2.7K
R711
150
D708
MAZ80680LL
6.6V
R706
0.2V 10K
D703,704
RL1N4003N02
REGULATOR
5.9V
10.5V
R704
10K
A
B
I
R709
18
Q704
2SC3940ARSTA
C706
10V47
M
R710
18
C705
0.01
A
1
2
3
4
5
6
7
C707
0.01
CN702
1
2
3
4
5
6
7
5.9V
D710
1SS380TE-17
CP702
D705
RL1N4003N02
RL702
4
R703
47K
Q702
UN5211TX
C702
0.01
G
R717
0
T702
B
W1
W3
R701
3.3M
D756
MA111TX
C763
0.01
WB722
F AC IN CIRCUIT
E701
B
W1
Z701
R747
10K
CN713
CN708
AC12.3V
D709
MA111TX
D735
B0FBAP000001
3
2
1
CN709
FP701
AC30V
D757
MA8068MTX
C730
25V6800
1
2
3
4
5
6
FP702
C746
0.1
15.3V
F
M
FAN MOTOR
C710
50V10
R720
47K
C721
0.15
~
D714
D715
RL1N4003N02 RL1N4003N02
D738
B0FFAC000001
D704
SCHEMATIC DIAGRAM-5
C MAIN CIRCUIT
L701
JK701
AC
9.1V
R718
0
AC IN ~
(120V60Hz)
F1
2.5A
A
SA-DT300(PP) POWER TRANSFORMER,AC IN,MAIN CIRCUIT DIAGRAM
49
50
51
52
53
54
55
56
57
58
59
60
:POSITIVE VOLTAGE LINE
:NEGATIVE VOLTAGE LINE
:AUDIO SIGNAL LINE
CN720
A
D
R471
0
R472
0
Q
R
T
S
RJ9
0
J
a
b
O
5V
3.3V
E
RJ3
0
R716
RJ56
0
10K
D
F
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
W705
NC
FR
GND
FL
GND
SL
GND
SR
GND
SUB
GND
CNT
GND
FRQ SHIFT
MUTE FRNT
MUTE REAR
MUTE SUB
RST
+B(5V)
+B(3.3V)
SHTDWN
ERR
GND
GATE BIAS
FAN DET
1
H
To D DIGITAL AMP CIRCUIT(CN102)
on SCHEMATIC DIAGRAM-6/2-A~C
G
REF
To D DIGITAL AMP CIRCUIT(CN101)
on SCHEMATIC DIAGRAM-6/2-D
2
W706
B
A
D
3
GND
F
CN451
1
2
E
~
C711
100V10
E POWER TORANSFORMER CIRCUIT
E
T701
WA721
C745
0.1
C750
35V4700
C
D733
B0FBAP000001
3
2
1
1
2
3
4
5
6
WB721
CN710
AC20.6V
CN707
CN706
D
CN705
CN704
WA722
1
2
3
4
1
2
3
4
AC4.2V
R712
0
CN714
CN703
W3
C
1
2
3
Q701
B1ABGC000001
RELAY DRIVE
0V
0.7V
R702
3.9K
E702
1
SWITCHING
3.4V
2
3
2
1
C701
1000P
R705
10K
C708
16V1000
C709
16V1000
3
C704
50V4.7
R715
0
D703
R708
2.7K
R711
150
D708
MAZ80680LL
6.6V
R706
0.2V 10K
D703,704
RL1N4003N02
REGULATOR
5.9V
10.5V
R704
10K
A
B
I
R709
18
Q704
2SC3940ARSTA
C706
10V47
M
R710
18
C705
0.01
A
1
2
3
4
5
6
7
C707
0.01
CN702
1
2
3
4
5
6
7
5.9V
D710
1SS380TE-17
CP702
D705
RL1N4003N02
RL702
4
R703
47K
Q702
UN5211TX
C702
0.01
G
R717
0
T702
B
W1
W3
R701
3.3M
D756
MA111TX
C763
0.01
WB722
F AC IN CIRCUIT
E701
B
W1
Z701
R747
10K
CN713
CN708
AC12.3V
D709
MA111TX
D735
B0FBAP000001
3
2
1
CN709
FP701
AC30V
D757
MA8068MTX
C730
25V6800
1
2
3
4
5
6
FP702
C746
0.1
15.3V
F
M
FAN MOTOR
C710
50V10
R720
47K
C721
0.15
~
D714
D715
RL1N4003N02 RL1N4003N02
D738
B0FFAC000001
D704
SCHEMATIC DIAGRAM-5
C MAIN CIRCUIT
L701
JK701
AC
9.1V
R718
0
AC IN ~
(120V60Hz)
F1
2.5A
A
SA-DT300(PP) POWER TRANSFORMER,AC IN,MAIN CIRCUIT DIAGRAM
49
50
51
52
53
54
55
56
57
58
59
60
SCHEMATIC DIAGRAM-6
D DIGITAL AMP CIRCUIT
:POSITIVE VOLTAGE LINE
:AUDIO SIGNAL LINE
C193
0.1
8
DOUT
3.2V
C137
0.1
5
VDD
PR
CLR
Q
7
3.2V
5
Vcc
IC020
TC7WH74FUTL
1.6V
C154
0.1
1.6V
1.4V
6
CK
B
C
D
LOGIC CONT.
(D-TYPE FLIP FLOP)
Q
Vss
D
1
2
1.6V
3
1.3V
NC
1
A GND
NC
0V
C156
10V4.7
R138
1K
C180
680P
R157
2.4K
C158
0.1
F
G
H
R058
1.2K
Z006
C121
0.1
R136
0
3.2V
3.1V
3.2V
1.6V
1.6V
M
N
3.2V
1.6V
1.6V
O
P
3.2V
DVss1
DVDD1
DVss1
MCLK OUT
SCLK
LRCLK
SDIN
MOD2
MOD1
MOD0
ALID L
DVss3 R
DIGITAL AUDIO
PWM PROCESSOR
36
35
34
33
32
31
30
29
28
27
26
25
3.2V
3.2V
1.7V
1.5V
1.6V
1.2V
3.2V
3.2V
R149
47
A
C
D
B
27.7V
D
47
47
5
Vcc
4
Y
REGULATOR
Vref
R052
100K
D051
MA8120MTX
R051
1.2K
R057
100
3
2
2.5V
R056
100
C124
0.1
C130
0.1
IC051
C0DAZZC00003
R053
10K
R054
220K
30.4V
R148
R147
Q
R055
1K
C150
0.1
R141
4.7
IC011
C0ZBZ0000650
DVDD3L
PWM P L
PWM M L
NC
NC
DVDD2
DVss2
PWM P R
PWM N R
NC
NC
DVDD3 R
13 14 15 16 17 18 19 20 21 22 23 24
1.6V
PDOWN
STABILIZER
0V
3V
0V
C196
330P
1.6V
LRCK
BCK
DOUT
MCLK IN
AVDD2
PLL FLT OUT
PLL FLT RET
AVss2
NC
/ RESET
/ PDN
VALID R
MS
NC
DVSS1
10
G
Q051
B1DEGL000004
C159
10V4.7
R184
6.8K
9
26.7V
S
R181
6.8K
B
I
J
R182
6.8K
1K
1K
2.9V
3.2V
3.2V
3.2V
D
A
3.9K
3.9K
3.9K
3.9K
8
3.2V
AGND
7
F
R175
R176
R177
R178
Z005
Z004
R180
R179
DGND
VDD
Vcc
6
3.2V
VREF2
5
4.4V
VREF1
4
4.4V
VINR
3
2.2V
2
D052
MA8120MTX
A
Z008
BYPAS
11
FSYNC
12
SCKI
1.2V
3.2V
13
OSR
FMT1
14
FMT0
MODE0
1.7V
3.2V
E
C140
16V1
2.2V
C187
470P
R162
1K
15
1
C188
470P
D
A
B
C
1
2
3
4
5
6
7
8
9
10
11
12
24bit A / D CONVERTER
C139
16V1
B
C
16
1.6V
3V
1.8V
0V
0V
IC024
C0FBAK000008
C162
10V4.7 2.2V
R161
1K
B
17
VINL
A
18
MODE1
CN102
19
C181
47P
1.6V
C149
0.1
C194
1
C100
0.1
GND 3
48 47 46 45 44 43 42 41 40 39 38 37
Z003
7
1.6V
R188
0
AVDD1
XTL IN
XTL OUT
OSC CAP
AVss1
DEM EN
DEM SEL
FTEST
STEST
DBSPD
/ MUTE
DVss3 L
BCK
6
1.5V
R129
22
DOUT
C127
0.1
CN101
R183
6.8K
To C MAIN CIRCUIT
(CN720)
on SCHEMATIC
DIAGRAM-5/53-G,H
5
4.6V
L
3.2V
R132
4.7
4
2.1V
20
C
3.2V
B
LRCK
VDD
3
2
2.1V
E
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
R139
1M
8
BYPAS
FMT
9
SCKI
DGND
1
C192
470P
R166 C144
1K 16V1
NC
FR
GND
FL
GND
SL
GND
SR
GND
SUB
GND
CNT
GND
FRQ SHIFT
MUTE FRNT
MUTE REAR
MUTE SUB
RST
+B(5V)
+B(3.3V)
SHTDWN
ERR
GND
GATE BIAS
FAN DET
1.6V
K
1.2V
10
Vcc
VREF2
4.6V
11
AGND
12
VINR
VINL
C191
470P
F
2
4
X132
C133
18P
C134
18P
C157
0.1
C161
10V4.7
C155
10V4.7
VREF1
4.6V
16bit A / D CONVERTER
REF 1
Vcc
5
Y
3
0V
1
A
E
2.1V 3V
14
13
R165 C143
1K 16V1
To C MAIN CIRCUIT
(W705,W706)
on SCHEMATIC
DIAGRAM-5/53-F
A GND
2
2
B
A
C186
1000P
IC023
C0FBAJ000009
D
3
GND
Y
R137
1M
s. 1V/DIV.
1.3V
4
1
3.7V
P-P
0.2
0V
5
Vcc
1.3V
R143
4.7
E
B
Y
2
3
1.4V
4
0.6V
1.3V
4
X131
E001
NOR GATE
Z001
6
1.5V
3.2V
7
IC017
C0JBAD000153
C175
0.1
5
4.6V
3.2V
INVERTER
R140
1K
LRCK
BCK
SCKI
4
D
C199
1000P
VDD
3
2.1V
3.2V
8
IC019
C0JBAB000423
INVERTER
IC018
C0JBAB000423
Z002
C135
18P
2
2.1V
0.6V
C136
18P
C189
470P
1
C190
470P
C177
1000P
DGND
C
R164 C142
1K 16V1
VINR
VINL
R163 C141
1K 16V1
SWITCHING
3.2V
0.6V
16bit A / D CONVERTER
C1013
0.1
Q002
XN0431100L
C138
0.1
9
BYPAS
10
FMT
AGND
11
3.2V
SWITCHING
1.2V
IC022
C0FBAJ000009
C1014
0.1
F
4.6V
Vcc
12
VREF1
C1015
0.1
4.6V
VREF2
2.1V 3V
14
13
3.2V
Q001
UN5111TX
A
3.2V
C1016
0.1
G
3.2V
R167
3.3K
C151
10V4.7
R190
0
C152
10V4.7
H
C153
0.1
C160
10V4.7
R142
4.7
A GND
2
3
OE
1
IC014
C0JBAZ001870
BUFFER
1
17.9V
R
27.7V
A
Z007
SA-DT300(PP) DIGITAL AMP CIRCUIT DIAGRAM
1
2
3
4
5
6
7
8
9
10
11
12
SCHEMATIC DIAGRAM-6
D DIGITAL AMP CIRCUIT
:POSITIVE VOLTAGE LINE
:AUDIO SIGNAL LINE
C193
0.1
8
DOUT
3.2V
C137
0.1
5
VDD
PR
CLR
Q
7
3.2V
5
Vcc
IC020
TC7WH74FUTL
1.6V
C154
0.1
1.6V
1.4V
6
CK
B
C
D
LOGIC CONT.
(D-TYPE FLIP FLOP)
Q
Vss
D
1
2
1.6V
3
1.3V
NC
1
A GND
NC
0V
C156
10V4.7
R138
1K
C180
680P
R157
2.4K
C158
0.1
F
G
H
R058
1.2K
Z006
C121
0.1
R136
0
3.2V
3.1V
3.2V
1.6V
1.6V
M
N
3.2V
1.6V
1.6V
O
P
3.2V
DVss1
DVDD1
DVss1
MCLK OUT
SCLK
LRCLK
SDIN
MOD2
MOD1
MOD0
ALID L
DVss3 R
DIGITAL AUDIO
PWM PROCESSOR
36
35
34
33
32
31
30
29
28
27
26
25
3.2V
3.2V
1.7V
1.5V
1.6V
1.2V
3.2V
3.2V
R149
47
A
C
D
B
27.7V
D
47
47
5
Vcc
4
Y
REGULATOR
Vref
R052
100K
D051
MA8120MTX
R051
1.2K
R057
100
3
2
2.5V
R056
100
C124
0.1
C130
0.1
IC051
C0DAZZC00003
R053
10K
R054
220K
30.4V
R148
R147
Q
R055
1K
C150
0.1
R141
4.7
IC011
C0ZBZ0000650
DVDD3L
PWM P L
PWM M L
NC
NC
DVDD2
DVss2
PWM P R
PWM N R
NC
NC
DVDD3 R
13 14 15 16 17 18 19 20 21 22 23 24
1.6V
PDOWN
STABILIZER
0V
3V
0V
C196
330P
1.6V
LRCK
BCK
DOUT
MCLK IN
AVDD2
PLL FLT OUT
PLL FLT RET
AVss2
NC
/ RESET
/ PDN
VALID R
MS
NC
DVSS1
10
G
Q051
B1DEGL000004
C159
10V4.7
R184
6.8K
9
26.7V
S
R181
6.8K
B
I
J
R182
6.8K
1K
1K
2.9V
3.2V
3.2V
3.2V
D
A
3.9K
3.9K
3.9K
3.9K
8
3.2V
AGND
7
F
R175
R176
R177
R178
Z005
Z004
R180
R179
DGND
VDD
Vcc
6
3.2V
VREF2
5
4.4V
VREF1
4
4.4V
VINR
3
2.2V
2
D052
MA8120MTX
A
Z008
BYPAS
11
FSYNC
12
SCKI
1.2V
3.2V
13
OSR
FMT1
14
FMT0
MODE0
1.7V
3.2V
E
C140
16V1
2.2V
C187
470P
R162
1K
15
1
C188
470P
D
A
B
C
1
2
3
4
5
6
7
8
9
10
11
12
24bit A / D CONVERTER
C139
16V1
B
C
16
1.6V
3V
1.8V
0V
0V
IC024
C0FBAK000008
C162
10V4.7 2.2V
R161
1K
B
17
VINL
A
18
MODE1
CN102
19
C181
47P
1.6V
C149
0.1
C194
1
C100
0.1
GND 3
48 47 46 45 44 43 42 41 40 39 38 37
Z003
7
1.6V
R188
0
AVDD1
XTL IN
XTL OUT
OSC CAP
AVss1
DEM EN
DEM SEL
FTEST
STEST
DBSPD
/ MUTE
DVss3 L
BCK
6
1.5V
R129
22
DOUT
C127
0.1
CN101
R183
6.8K
To C MAIN CIRCUIT
(CN720)
on SCHEMATIC
DIAGRAM-5/53-G,H
5
4.6V
L
3.2V
R132
4.7
4
2.1V
20
C
3.2V
B
LRCK
VDD
3
2
2.1V
E
25
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
R139
1M
8
BYPAS
FMT
9
SCKI
DGND
1
C192
470P
R166 C144
1K 16V1
NC
FR
GND
FL
GND
SL
GND
SR
GND
SUB
GND
CNT
GND
FRQ SHIFT
MUTE FRNT
MUTE REAR
MUTE SUB
RST
+B(5V)
+B(3.3V)
SHTDWN
ERR
GND
GATE BIAS
FAN DET
1.6V
K
1.2V
10
Vcc
VREF2
4.6V
11
AGND
12
VINR
VINL
C191
470P
F
2
4
X132
C133
18P
C134
18P
C157
0.1
C161
10V4.7
C155
10V4.7
VREF1
4.6V
16bit A / D CONVERTER
REF 1
Vcc
5
Y
3
0V
1
A
E
2.1V 3V
14
13
R165 C143
1K 16V1
To C MAIN CIRCUIT
(W705,W706)
on SCHEMATIC
DIAGRAM-5/53-F
A GND
2
2
B
A
C186
1000P
IC023
C0FBAJ000009
D
3
GND
Y
R137
1M
s. 1V/DIV.
1.3V
4
1
3.7V
P-P
0.2
0V
5
Vcc
1.3V
R143
4.7
E
B
Y
2
3
1.4V
4
0.6V
1.3V
4
X131
E001
NOR GATE
Z001
6
1.5V
3.2V
7
IC017
C0JBAD000153
C175
0.1
5
4.6V
3.2V
INVERTER
R140
1K
LRCK
BCK
SCKI
4
D
C199
1000P
VDD
3
2.1V
3.2V
8
IC019
C0JBAB000423
INVERTER
IC018
C0JBAB000423
Z002
C135
18P
2
2.1V
0.6V
C136
18P
C189
470P
1
C190
470P
C177
1000P
DGND
C
R164 C142
1K 16V1
VINR
VINL
R163 C141
1K 16V1
SWITCHING
3.2V
0.6V
16bit A / D CONVERTER
C1013
0.1
Q002
XN0431100L
C138
0.1
9
BYPAS
10
FMT
AGND
11
3.2V
SWITCHING
1.2V
IC022
C0FBAJ000009
C1014
0.1
F
4.6V
Vcc
12
VREF1
C1015
0.1
4.6V
VREF2
2.1V 3V
14
13
3.2V
Q001
UN5111TX
A
3.2V
C1016
0.1
G
3.2V
R167
3.3K
C151
10V4.7
R190
0
C152
10V4.7
H
C153
0.1
C160
10V4.7
R142
4.7
A GND
2
3
OE
1
IC014
C0JBAZ001870
BUFFER
1
17.9V
R
27.7V
A
Z007
SA-DT300(PP) DIGITAL AMP CIRCUIT DIAGRAM
1
2
3
4
5
6
7
8
9
10
11
12
SCHEMATIC DIAGRAM-7
D DIGITAL AMP CIRCUIT
:POSITIVE VOLTAGE LINE
:AUDIO SIGNAL LINE
A
B
3.2V
L
K
IC001
C0ZBZ0000647
TRUE DIGITAL AMP
11 BIAS A
OUTPUTB 22
PVDDB1 21
13 PWDN
PVDDB1 20
14 RESET
BOOTSTRAPB 19
R107
10
C103
100P
1.2V
R105
13K
3.2V
3.2V
Q
1.6V
M
1.6V
16 PWM BP
LDROUTB 18
PVDDB2 17
R130
22
C001
0.01
C003
0.033
C005
35V1000
C1040
0.1
L103
10 H
67.7V
C122
0.1
48 47 46 45 44 43 42 41 40 39 38 37
B
26.7V
R005
1.5
26.7V
C019
0.1
C021
79.4V 0.033
15V
C023
0.1
1.6V
3V
1.8V
0V
0V
D1020
MAZ80510LL
26.7V
2.9V
3.2V
3.2V
3.2V
C197
330P
C1020
0.1
N
15 PWM BM
67.7V
TRUE DIGITAL AMP
R102
10
C102
0.1
3.1V
0V
0V
0V
5 SHUTDOWN
PVDDA1 28
6 DVDD
OUTPUTA 27
7 DVss
OUTPUTA 26
8 DVss
9 DVss
PVss 24
10 VRFILT
1.2V
OUTPUTB 23
11 BIAS A
OUTPUTB 22
PVDDB1 21
13 PWDN
PVDDB1 20
14 RESET
BOOTSTRAPB 19
C104
100P
1.2V
R108
10
R106
13K
3.2V
3.2V
R
1.6V
O
1.6V
15 PWM BM
LDROUTB 18
16 PWM BP
PVDDB2 17
67.7V
L104
10 H
67.7V
C002
0.01
3.2V
C004
0.033
C006
35V1000
C
R151
R150
C024
3.2V
3.2V
OE
1
1.2V
4
Y
A GND
2
3
1.2V
IC015
C0JBAZ001870
BUFFER
C020
0.1
C022
79.4V 0.033
15V
F
G
H
5
Vcc
26.7V
R006
1.5
1.6V
1.6V
47
47
D
26.7V
3.2V
0.1
26.7V
D1022
MAZ80510LL
C1022
0.1
P
L102
10 H
64.5V
D
E
R152
47
D
C
B
I
A
C012
0.1
64.5V
PVss 25
12 BIAS B
R104
13K
26.7V
3.2V
1.6V
1.6V
13 14 15 16 17 18 19 20 21 22 23 24
26.7V
R004
1.5
DIGITAL AUDIO
PWM PROCESSOR
36
35
34
33
32
31
30
29
28
27
26
25
R1022
1
3.1V
0.033
DVDD3L
PWM P L
PWM M L
NC
NC
DVDD2
DVss2
PWM P R
PWM N R
NC
NC
DVDD3 R
IC012
C0ZBZ0000650
C131
0.1
PVDDA1 29
74V C010
R002
1
BOOTSTRAPA 30
4 ERR0
C008
0.1
R034
2.2K
3 ERR1
3.1V
14.9V
D002
C030 R032
1SS355TE17 0.33 1K
LDROUTA 31
C1041
0.1
2 PWM AM
26.7V
C016
0.1
PVDDA2 32
C018
0.1
1 PWM AP
C014
0.47
1.6V
D1023
MAZ80510LL R1023
1
C1023
0.1
1.6V
MCLK IN
AVDD2
PLL FLT OUT
PLL FLT RET
AVss2
NC
/ RESET
/ PDN
VALID R
MS
NC
DVSS1
DVss1
DVDD1
DVss1
MCLK OUT
SCLK
LRCLK
SDIN
MOD2
MOD1
MOD0
ALID L
DVss3 R
IC002
C0ZBZ0000647
1
2
3
4
5
6
7
8
9
10
11
12
C125
0.1
1.2V
OUTPUTB 23
3.1V
10 VRFILT
12 BIAS B
R103
13K
C128
0.1
3.2V
3.2V
PVss 24
0V
9 DVss
C
1.7V
1.5V
1.6V
1.2V
3.2V
PVss 25
3V
0V
OUTPUTA 26
8 DVss
A
L101
10 H
64.5V
AVDD1
XTL IN
XTL OUT
OSC CAP
AVss1
DEM EN
DEM SEL
FTEST
STEST
DBSPD
/ MUTE
DVss3 L
0V
7 DVss
64.5V
C183
47P
0V
OUTPUTA 27
C011
0.1
R134
4.7
0V
6 DVDD
R003
1.5
26.7V
R158
2.4K
C101
0.1
3.1V
PVDDA1 28
R1020
1
R101
10
PVDDA1 29
5 SHUTDOWN
0.033
26.7V
C182
680P
4 ERR0
3.1V
74V C009
R001
1
BOOTSTRAPA 30
R036
2.2K
3 ERR1
3.1V
C007
14.9V 0.1
D001
C059 R031
1SS355TE17 0.33 1K
LDROUTA 31
C015
0.1
2 PWM AM
D1021
MAZ80510LL R1021
1
26.7V
C017
0.1
PVDDA2 32
C013
0.47
1.6V
1 PWM AP
C1021
0.1
1.6V
I
27.7V
RJ001
RJ002
0
0
RJ004
RJ003
0
0
SA-DT300(PP) DIGITAL AMP CIRCUIT DIAGRAM
13
14
15
16
17
18
19
20
21
22
23
24
SCHEMATIC DIAGRAM-7
D DIGITAL AMP CIRCUIT
:POSITIVE VOLTAGE LINE
:AUDIO SIGNAL LINE
A
B
3.2V
L
K
IC001
C0ZBZ0000647
TRUE DIGITAL AMP
11 BIAS A
OUTPUTB 22
PVDDB1 21
13 PWDN
PVDDB1 20
14 RESET
BOOTSTRAPB 19
R107
10
C103
100P
1.2V
R105
13K
3.2V
3.2V
Q
1.6V
M
1.6V
16 PWM BP
LDROUTB 18
PVDDB2 17
R130
22
C001
0.01
C003
0.033
C005
35V1000
C1040
0.1
L103
10 H
67.7V
C122
0.1
48 47 46 45 44 43 42 41 40 39 38 37
B
26.7V
R005
1.5
26.7V
C019
0.1
C021
79.4V 0.033
15V
C023
0.1
1.6V
3V
1.8V
0V
0V
D1020
MAZ80510LL
26.7V
2.9V
3.2V
3.2V
3.2V
C197
330P
C1020
0.1
N
15 PWM BM
67.7V
TRUE DIGITAL AMP
R102
10
C102
0.1
3.1V
0V
0V
0V
5 SHUTDOWN
PVDDA1 28
6 DVDD
OUTPUTA 27
7 DVss
OUTPUTA 26
8 DVss
9 DVss
PVss 24
10 VRFILT
1.2V
OUTPUTB 23
11 BIAS A
OUTPUTB 22
PVDDB1 21
13 PWDN
PVDDB1 20
14 RESET
BOOTSTRAPB 19
C104
100P
1.2V
R108
10
R106
13K
3.2V
3.2V
R
1.6V
O
1.6V
15 PWM BM
LDROUTB 18
16 PWM BP
PVDDB2 17
67.7V
L104
10 H
67.7V
C002
0.01
3.2V
C004
0.033
C006
35V1000
C
R151
R150
C024
3.2V
3.2V
OE
1
1.2V
4
Y
A GND
2
3
1.2V
IC015
C0JBAZ001870
BUFFER
C020
0.1
C022
79.4V 0.033
15V
F
G
H
5
Vcc
26.7V
R006
1.5
1.6V
1.6V
47
47
D
26.7V
3.2V
0.1
26.7V
D1022
MAZ80510LL
C1022
0.1
P
L102
10 H
64.5V
D
E
R152
47
D
C
B
I
A
C012
0.1
64.5V
PVss 25
12 BIAS B
R104
13K
26.7V
3.2V
1.6V
1.6V
13 14 15 16 17 18 19 20 21 22 23 24
26.7V
R004
1.5
DIGITAL AUDIO
PWM PROCESSOR
36
35
34
33
32
31
30
29
28
27
26
25
R1022
1
3.1V
0.033
DVDD3L
PWM P L
PWM M L
NC
NC
DVDD2
DVss2
PWM P R
PWM N R
NC
NC
DVDD3 R
IC012
C0ZBZ0000650
C131
0.1
PVDDA1 29
74V C010
R002
1
BOOTSTRAPA 30
4 ERR0
C008
0.1
R034
2.2K
3 ERR1
3.1V
14.9V
D002
C030 R032
1SS355TE17 0.33 1K
LDROUTA 31
C1041
0.1
2 PWM AM
26.7V
C016
0.1
PVDDA2 32
C018
0.1
1 PWM AP
C014
0.47
1.6V
D1023
MAZ80510LL R1023
1
C1023
0.1
1.6V
MCLK IN
AVDD2
PLL FLT OUT
PLL FLT RET
AVss2
NC
/ RESET
/ PDN
VALID R
MS
NC
DVSS1
DVss1
DVDD1
DVss1
MCLK OUT
SCLK
LRCLK
SDIN
MOD2
MOD1
MOD0
ALID L
DVss3 R
IC002
C0ZBZ0000647
1
2
3
4
5
6
7
8
9
10
11
12
C125
0.1
1.2V
OUTPUTB 23
3.1V
10 VRFILT
12 BIAS B
R103
13K
C128
0.1
3.2V
3.2V
PVss 24
0V
9 DVss
C
1.7V
1.5V
1.6V
1.2V
3.2V
PVss 25
3V
0V
OUTPUTA 26
8 DVss
A
L101
10 H
64.5V
AVDD1
XTL IN
XTL OUT
OSC CAP
AVss1
DEM EN
DEM SEL
FTEST
STEST
DBSPD
/ MUTE
DVss3 L
0V
7 DVss
64.5V
C183
47P
0V
OUTPUTA 27
C011
0.1
R134
4.7
0V
6 DVDD
R003
1.5
26.7V
R158
2.4K
C101
0.1
3.1V
PVDDA1 28
R1020
1
R101
10
PVDDA1 29
5 SHUTDOWN
0.033
26.7V
C182
680P
4 ERR0
3.1V
74V C009
R001
1
BOOTSTRAPA 30
R036
2.2K
3 ERR1
3.1V
C007
14.9V 0.1
D001
C059 R031
1SS355TE17 0.33 1K
LDROUTA 31
C015
0.1
2 PWM AM
D1021
MAZ80510LL R1021
1
26.7V
C017
0.1
PVDDA2 32
C013
0.47
1.6V
1 PWM AP
C1021
0.1
1.6V
I
27.7V
RJ001
RJ002
0
0
RJ004
RJ003
0
0
SA-DT300(PP) DIGITAL AMP CIRCUIT DIAGRAM
13
14
15
16
17
18
19
20
21
22
23
24
SCHEMATIC DIAGRAM-8
D DIGITAL AMP CIRCUIT
:POSITIVE VOLTAGE LINE
:AUDIO SIGNAL LINE
A
C195
1
C123
0.1
3.2V
A
B
TRUE DIGITAL AMP
PVDDB1 21
H
1.6V
D
1.6V
E
13 PWDN
PVDDB1 20
14 RESET
BOOTSTRAPB 19
15 PWM BM
LDROUTB 18
16 PWM BP
PVDDB2 17
C051
79.4V0.033
15V C053
0.1
LDROUTA 31
4 ERR0
R112
10
C106
0.1
3.1V
0V
0V
0V
R114
13K
5 SHUTDOWN
PVDDA1 29
PVDDA1 28
6 DVDD
OUTPUTA 27
7 DVss
OUTPUTA 26
8 DVss
OUTPUTB 23
11 BIAS A
OUTPUTB 22
C108
100P
12 BIAS B
R118
10
3.2V
3.2V
I
1.6V
F
1.6V
0.033
PVDDB1 21
13 PWDN
PVDDB1 20
14 RESET
15 PWM BM
16 PWM BP
C031
0.01
C033
0.033
3.1V
0V
3V
0V
AVDD1
XTL IN
XTL OUT
OSC CAP
AVss1
DEM EN
DEM SEL
FTEST
STEST
DBSPD
/ MUTE
DVss3 L
26.7V
R014
1.5
26.7V
BOOTSTRAPB 19
LDROUTB 18
PVDDB2 17
R154
R153
1.6V
1.6V
D
E
3.2V
47
47
C042
0.1
3.2V
1.2V
5
Vcc
4
Y
IC016
C0JBAZ001870
64.5V
L106
10 H
64.5V
G
BUFFER
A GND
2
3
1.2V
OE
1
67.7V
L108
10 H
67.7V
F
R127
10
G
H
26.7V
R016
1.5
26.7V
C050
0.1
C052
79.4V 0.033
15V C054
3.2V
5
Vcc
0.1
Y
AND GATE
D1026
MAZ80510LL
26.7V
3.2V
4
IC007
AHCT1G08DBV
A
1
C1026
0.1
G
74V C040
PVss 24
1.2V
R116
13K
C038
14.9V 0.1
PVss 25
9 DVss
10 VRFILT
1.2V
3.2V
C044
0.47
3.1V
BOOTSTRAPA 30
26.7V
H
G
F
J
E
R012
1
2 PWM AM
D1027
MAZ80510LL R1027
1
C1027
0.1
PVDDA2 32
3 ERR1
B
C
R155
47
1 PWM AP
3.1V
3.2V
1.6V
1.6V
13 14 15 16 17 18 19 20 21 22 23 24
TRUE DIGITAL AMP
1.6V
C035
35V1000
D1024
MAZ80510LL
26.7V
IC004
C0ZBZ0000647
1.6V
C049
0.1
DIGITAL AUDIO
PWM PROCESSOR
36
35
34
33
32
31
30
29
28
27
26
25
C126
0.1
3.2V
R015
1.5
26.7V
DVDD3L
PWM P L
PWM M L
NC
NC
DVDD2
DVss2
PWM P R
PWM N R
NC
NC
DVDD3 R
IC013
C0ZBZ0000650
3.2V
3.2V
26.7V
2.9V
3.2V
3.2V
3.2V
C132
0.1
R117
10
C107
100P
12 BIAS B
R115
13K
F
C032
0.01
1.2V
L107
10 H
67.7V
MCLK IN
AVDD2
PLL FLT OUT
PLL FLT RET
AVss2
NC
/ RESET
/ PDN
VALID R
MS
NC
DVSS1
3.2V
3.2V
OUTPUTB 22
1
2
3
4
5
6
7
8
9
10
11
12
1.7V
1.5V
1.6V
1.2V
3.2V
11 BIAS A
67.7V
C034
0.033
1.2V
OUTPUTB 23
1.6V
3V
1.8V
0V
0V
DVss1
DVDD1
DVss1
MCLK OUT
SCLK
LRCLK
SDIN
MOD2
MOD1
MOD0
ALID L
DVss3 R
10 VRFILT
C185
47P
PVss 24
C198
330P
9 DVss
R144
4.7
PVss 25
48 47 46 45 44 43 42 41 40 39 38 37
R159
2.4K
OUTPUTA 26
8 DVss
E
L105
10 H
64.5V
C036
35V1000
R113
13K
7 DVss
64.5V
R1024
1
0V
OUTPUTA 27
C1043
0.1
0V
6 DVDD
PVDDA1 28
R1026
1
0V
5 SHUTDOWN
C129
0.1
C041
0.1
C046
0.1
C105
0.1
3.1V
R013
1.5
26.7V
C1024
0.1
R111
10
0.033
26.7V
C184
680P
PVDDA1 29
4 ERR0
3.1V
74V C039
R011
1
BOOTSTRAPA 30
C048
0.1
3 ERR1
3.1V
C037
14.9V 0.1
C1042
0.1
LDROUTA 31
C045
0.1
2 PWM AM
D1025
MAZ80510LL R1025
1
26.7V
C047
0.1
PVDDA2 32
C043
0.47
1.6V
1 PWM AP
C1025
0.1
1.6V
R131
22
IC003
C0ZBZ0000647
5V
B
GND
2
3
3.2V
C
27.7V
RJ005
RJ006
0
0
RJ008
RJ007
0
0
SA-DT300(PP) DIGITAL AMP CIRCUIT DIAGRAM
25
26
27
28
29
30
31
32
33
34
35
36
SCHEMATIC DIAGRAM-8
D DIGITAL AMP CIRCUIT
:POSITIVE VOLTAGE LINE
:AUDIO SIGNAL LINE
A
C195
1
C123
0.1
3.2V
A
B
TRUE DIGITAL AMP
PVDDB1 21
H
1.6V
D
1.6V
E
13 PWDN
PVDDB1 20
14 RESET
BOOTSTRAPB 19
15 PWM BM
LDROUTB 18
16 PWM BP
PVDDB2 17
C051
79.4V0.033
15V C053
0.1
LDROUTA 31
4 ERR0
R112
10
C106
0.1
3.1V
0V
0V
0V
R114
13K
5 SHUTDOWN
PVDDA1 29
PVDDA1 28
6 DVDD
OUTPUTA 27
7 DVss
OUTPUTA 26
8 DVss
OUTPUTB 23
11 BIAS A
OUTPUTB 22
C108
100P
12 BIAS B
R118
10
3.2V
3.2V
I
1.6V
F
1.6V
0.033
PVDDB1 21
13 PWDN
PVDDB1 20
14 RESET
15 PWM BM
16 PWM BP
C031
0.01
C033
0.033
3.1V
0V
3V
0V
AVDD1
XTL IN
XTL OUT
OSC CAP
AVss1
DEM EN
DEM SEL
FTEST
STEST
DBSPD
/ MUTE
DVss3 L
26.7V
R014
1.5
26.7V
BOOTSTRAPB 19
LDROUTB 18
PVDDB2 17
R154
R153
1.6V
1.6V
D
E
3.2V
47
47
C042
0.1
3.2V
1.2V
5
Vcc
4
Y
IC016
C0JBAZ001870
64.5V
L106
10 H
64.5V
G
BUFFER
A GND
2
3
1.2V
OE
1
67.7V
L108
10 H
67.7V
F
R127
10
G
H
26.7V
R016
1.5
26.7V
C050
0.1
C052
79.4V 0.033
15V C054
3.2V
5
Vcc
0.1
Y
AND GATE
D1026
MAZ80510LL
26.7V
3.2V
4
IC007
AHCT1G08DBV
A
1
C1026
0.1
G
74V C040
PVss 24
1.2V
R116
13K
C038
14.9V 0.1
PVss 25
9 DVss
10 VRFILT
1.2V
3.2V
C044
0.47
3.1V
BOOTSTRAPA 30
26.7V
H
G
F
J
E
R012
1
2 PWM AM
D1027
MAZ80510LL R1027
1
C1027
0.1
PVDDA2 32
3 ERR1
B
C
R155
47
1 PWM AP
3.1V
3.2V
1.6V
1.6V
13 14 15 16 17 18 19 20 21 22 23 24
TRUE DIGITAL AMP
1.6V
C035
35V1000
D1024
MAZ80510LL
26.7V
IC004
C0ZBZ0000647
1.6V
C049
0.1
DIGITAL AUDIO
PWM PROCESSOR
36
35
34
33
32
31
30
29
28
27
26
25
C126
0.1
3.2V
R015
1.5
26.7V
DVDD3L
PWM P L
PWM M L
NC
NC
DVDD2
DVss2
PWM P R
PWM N R
NC
NC
DVDD3 R
IC013
C0ZBZ0000650
3.2V
3.2V
26.7V
2.9V
3.2V
3.2V
3.2V
C132
0.1
R117
10
C107
100P
12 BIAS B
R115
13K
F
C032
0.01
1.2V
L107
10 H
67.7V
MCLK IN
AVDD2
PLL FLT OUT
PLL FLT RET
AVss2
NC
/ RESET
/ PDN
VALID R
MS
NC
DVSS1
3.2V
3.2V
OUTPUTB 22
1
2
3
4
5
6
7
8
9
10
11
12
1.7V
1.5V
1.6V
1.2V
3.2V
11 BIAS A
67.7V
C034
0.033
1.2V
OUTPUTB 23
1.6V
3V
1.8V
0V
0V
DVss1
DVDD1
DVss1
MCLK OUT
SCLK
LRCLK
SDIN
MOD2
MOD1
MOD0
ALID L
DVss3 R
10 VRFILT
C185
47P
PVss 24
C198
330P
9 DVss
R144
4.7
PVss 25
48 47 46 45 44 43 42 41 40 39 38 37
R159
2.4K
OUTPUTA 26
8 DVss
E
L105
10 H
64.5V
C036
35V1000
R113
13K
7 DVss
64.5V
R1024
1
0V
OUTPUTA 27
C1043
0.1
0V
6 DVDD
PVDDA1 28
R1026
1
0V
5 SHUTDOWN
C129
0.1
C041
0.1
C046
0.1
C105
0.1
3.1V
R013
1.5
26.7V
C1024
0.1
R111
10
0.033
26.7V
C184
680P
PVDDA1 29
4 ERR0
3.1V
74V C039
R011
1
BOOTSTRAPA 30
C048
0.1
3 ERR1
3.1V
C037
14.9V 0.1
C1042
0.1
LDROUTA 31
C045
0.1
2 PWM AM
D1025
MAZ80510LL R1025
1
26.7V
C047
0.1
PVDDA2 32
C043
0.47
1.6V
1 PWM AP
C1025
0.1
1.6V
R131
22
IC003
C0ZBZ0000647
5V
B
GND
2
3
3.2V
C
27.7V
RJ005
RJ006
0
0
RJ008
RJ007
0
0
SA-DT300(PP) DIGITAL AMP CIRCUIT DIAGRAM
25
26
27
28
29
30
31
32
33
34
35
36
SCHEMATIC DIAGRAM-9
D DIGITAL AMP CIRCUIT
:POSITIVE VOLTAGE LINE
:AUDIO SIGNAL LINE
H
IC005
C0ZBZ0000647
TRUE DIGITAL AMP
6 DVDD
0V
OUTPUTA 27
7 DVss
10 VRFILT
1.2V
OUTPUTB 23
11 BIAS A
OUTPUTB 22
PVDDB1 21
13 PWDN
PVDDB1 20
14 RESET
BOOTSTRAPB 19
C111
100P
1.2V
R125
13K
3.2V
3.2V
G
1.6V
B
1.6V
LDROUTB 18
16 PWM BP
PVDDB2 17
C061
0.01
R021
1
C063
0.033
C065
35V1000
67.7V
L111
10 H
67.7V
JK101
26.7V
R025
1.5
26.7V
B
C079
0.1
F
Lch
FRONT HF/ LF(6 )
C
C081
79.4V 0.033
15V C083
SPEAKERS
A
J
0.1
D
Rch
Lch
D1028
MAZ80510LL
26.7V
E
C1028
0.1
C
15 PWM BM
G
I
L109
10 H
64.5V
PVss 24
12 BIAS B
R123
13K
C071
0.1
64.5V
PVss 25
9 DVss
0V
OUTPUTA 26
8 DVss
0V
R023
1.5
26.7V
C093
0.033
3.1V
3.2V
C109
0.1
A
PVDDA1 28
C094
0.033
5 SHUTDOWN
R1028
1
R121
10
PVDDA1 29
0.033
26.7V
C095
0.033
4 ERR0
3.1V
74V C069
R035
2.2K
BOOTSTRAPA 30
D003
C089 R033
1SS355TE17 0.33 1K
3 ERR1
3.1V
C067
14.9V 0.1
C075
0.1
LDROUTA 31
D1029
MAZ80510LL R1029
1
26.7V
C077
0.1
2 PWM AM
1.6V
PVDDA2 32
C1029
0.1
1 PWM AP
C073
0.47
1.6V
F
E
SURROUND(6 )
IC006
C0ZBZ0000647
PVss 24
10 VRFILT
1.2V
OUTPUTB 23
11 BIAS A
OUTPUTB 22
12 BIAS B
R124
13K
PVDDB1 21
13 PWDN
PVDDB1 20
14 RESET
BOOTSTRAPB 19
C112
100P
1.2V
R128
10
R126
13K
3.2V
3.2V
F
1.6V
D
1.6V
16 PWM BP
LDROUTB 18
PVDDB2 17
C096
0.033
C062
0.01
C064
0.033
C066
35V1000
L112
10 H
67.7V
C098
0.033
SP FRAME
C
L
26.7V
R026
1.5
26.7V
C080
0.1
C082
79.4V 0.033
15V
C084
0.1
D1030
MAZ80510LL
26.7V
B
C1030
0.1
E
15 PWM BM
67.7V
K
R191
0
PVss 25
9 DVss
0V
L110
10 H
64.5V
C099
1000P
8 DVss
0V
OUTPUTA 26
64.5V
680P
680P
680P
680P
680P
680P
680P
680P
680P
680P
680P
1000P
1000P
1000P
1000P
1000P
1000P
1000P
1000P
1000P
1000P
1000P
1000P
7 DVss
0V
OUTPUTA 27
SUB WOOFER(6 )
L
C086
C087
C085
C058
C056
C057
C055
C028
C026
C027
C025
C1012
C1010
C1011
C1009
C1008
C1006
C1007
C1005
C1004
C1002
C1003
C1001
6 DVDD
26.7V
C072
0.1
4.7
4.7
4.7
4.7
4.7
4.7
4.7
4.7
4.7
4.7
4.7
C110
0.1
3.1V
K
R024
1.5
R028
R029
R027
R020
R018
R019
R017
R010
R008
R009
R007
PVDDA1 28
CENTER(6 )
D
26.7V
C088
680P
5 SHUTDOWN
3.1V
R122
10
J
R030
4.7
PVDDA1 29
0.033
R022
1
4 ERR0
3.1V
74V C070
I
R038
2.2K
BOOTSTRAPA 30
C068
0.1
D004
C091 R037
1SS355TE17 50V10 1K
3 ERR1
14.9V
C076
0.1
LDROUTA 31
C078
0.1
2 PWM AM
Rch
R1030
1
PVDDA2 32
H
C1031
0.1
1 PWM AP
1.6V
D1031
MAZ80510LL R1031
1
26.7V
C074
0.47
1.6V
C097
0.033
G
TRUE DIGITAL AMP
27.7V
RJ009
RJ010
0
0
A
SA-DT300(PP) DIGITAL AMP CIRCUIT DIAGRAM
37
38
39
40
41
42
43
44
45
46
47
48
SCHEMATIC DIAGRAM-9
D DIGITAL AMP CIRCUIT
:POSITIVE VOLTAGE LINE
:AUDIO SIGNAL LINE
H
IC005
C0ZBZ0000647
TRUE DIGITAL AMP
6 DVDD
0V
OUTPUTA 27
7 DVss
10 VRFILT
1.2V
OUTPUTB 23
11 BIAS A
OUTPUTB 22
PVDDB1 21
13 PWDN
PVDDB1 20
14 RESET
BOOTSTRAPB 19
C111
100P
1.2V
R125
13K
3.2V
3.2V
G
1.6V
B
1.6V
LDROUTB 18
16 PWM BP
PVDDB2 17
C061
0.01
R021
1
C063
0.033
C065
35V1000
67.7V
L111
10 H
67.7V
JK101
26.7V
R025
1.5
26.7V
B
C079
0.1
F
Lch
FRONT HF/ LF(6 )
C
C081
79.4V 0.033
15V C083
SPEAKERS
A
J
0.1
D
Rch
Lch
D1028
MAZ80510LL
26.7V
E
C1028
0.1
C
15 PWM BM
G
I
L109
10 H
64.5V
PVss 24
12 BIAS B
R123
13K
C071
0.1
64.5V
PVss 25
9 DVss
0V
OUTPUTA 26
8 DVss
0V
R023
1.5
26.7V
C093
0.033
3.1V
3.2V
C109
0.1
A
PVDDA1 28
C094
0.033
5 SHUTDOWN
R1028
1
R121
10
PVDDA1 29
0.033
26.7V
C095
0.033
4 ERR0
3.1V
74V C069
R035
2.2K
BOOTSTRAPA 30
D003
C089 R033
1SS355TE17 0.33 1K
3 ERR1
3.1V
C067
14.9V 0.1
C075
0.1
LDROUTA 31
D1029
MAZ80510LL R1029
1
26.7V
C077
0.1
2 PWM AM
1.6V
PVDDA2 32
C1029
0.1
1 PWM AP
C073
0.47
1.6V
F
E
SURROUND(6 )
IC006
C0ZBZ0000647
PVss 24
10 VRFILT
1.2V
OUTPUTB 23
11 BIAS A
OUTPUTB 22
12 BIAS B
R124
13K
PVDDB1 21
13 PWDN
PVDDB1 20
14 RESET
BOOTSTRAPB 19
C112
100P
1.2V
R128
10
R126
13K
3.2V
3.2V
F
1.6V
D
1.6V
16 PWM BP
LDROUTB 18
PVDDB2 17
C096
0.033
C062
0.01
C064
0.033
C066
35V1000
L112
10 H
67.7V
C098
0.033
SP FRAME
C
L
26.7V
R026
1.5
26.7V
C080
0.1
C082
79.4V 0.033
15V
C084
0.1
D1030
MAZ80510LL
26.7V
B
C1030
0.1
E
15 PWM BM
67.7V
K
R191
0
PVss 25
9 DVss
0V
L110
10 H
64.5V
C099
1000P
8 DVss
0V
OUTPUTA 26
64.5V
680P
680P
680P
680P
680P
680P
680P
680P
680P
680P
680P
1000P
1000P
1000P
1000P
1000P
1000P
1000P
1000P
1000P
1000P
1000P
1000P
7 DVss
0V
OUTPUTA 27
SUB WOOFER(6 )
L
C086
C087
C085
C058
C056
C057
C055
C028
C026
C027
C025
C1012
C1010
C1011
C1009
C1008
C1006
C1007
C1005
C1004
C1002
C1003
C1001
6 DVDD
26.7V
C072
0.1
4.7
4.7
4.7
4.7
4.7
4.7
4.7
4.7
4.7
4.7
4.7
C110
0.1
3.1V
K
R024
1.5
R028
R029
R027
R020
R018
R019
R017
R010
R008
R009
R007
PVDDA1 28
CENTER(6 )
D
26.7V
C088
680P
5 SHUTDOWN
3.1V
R122
10
J
R030
4.7
PVDDA1 29
0.033
R022
1
4 ERR0
3.1V
74V C070
I
R038
2.2K
BOOTSTRAPA 30
C068
0.1
D004
C091 R037
1SS355TE17 50V10 1K
3 ERR1
14.9V
C076
0.1
LDROUTA 31
C078
0.1
2 PWM AM
Rch
R1030
1
PVDDA2 32
H
C1031
0.1
1 PWM AP
1.6V
D1031
MAZ80510LL R1031
1
26.7V
C074
0.47
1.6V
C097
0.033
G
TRUE DIGITAL AMP
27.7V
RJ009
RJ010
0
0
A
SA-DT300(PP) DIGITAL AMP CIRCUIT DIAGRAM
37
38
39
40
41
42
43
44
45
46
47
48
SCHEMATIC DIAGRAM-10
TUNER MODULE CIRCUIT(Z1001 ENG07701Q)
:POSITIVE VOLTAGE LINE
2SC2620 or
2SC2714,2SK2413
0.01
330K
47P
390
2P
330
2SC2620 or
2SC2620 or
2SC2714,2SK2413 2SC2714, 2SK2413
RF AMP
FM IF AMP
100
2SC3130 or
2SC2814 ,2SC1638
FM IF AMP
0
POWER SUPPLY
(FM:ON)
0
0.01
2200P
:FM OSC SIGNAL LINE
0.01
680
22P
470P
330K
MA2S372 or
BB535,MVC3228
,MVC202A,BB179
3P
2SK360 or
2SK543,2SK2731
:AM OSC SIGNAL LINE
270K
22
8.5P
1K
100K
MA2S372 or
BB535,MVC3228
,MVC202A,BB179
MA110 or MA111,
BA5310,1SS352,
BA516,1SS355
6.5P
100K
G
0.1
22
10P
FM ANT
(75 )
:AM SIGNAL LINE
270
0.01
1K
FM MIXER
H
:FM SIGNAL LINE
1
0.1
PILOT IN
MPX IN
PILOT OUT
Rch OUT
6800P
2SC601 or
2SC26128,2SC647
1K
6800P
2.2K
Lch OUT
BUFFER AMP
7
8
9
10
11
3.3
1K
B
2SC601 or
2SC26128,2SC647
12
1K
6
470K
6800P
DET OUT
5
BUFFER AMP
10K
1000P
1.5K
0.47
10K
B
15P
4.7K
0
27K
2.2
3.3
39K
220
47
0.01
0
A
47
2.2K
2.2K
6800P
AM DET
6800P
AGC
4
A
VCO
AM RF IN
FM/AM
AFC
3
1K
10K
100
4.7K
3.3
6800P
4700P ~ 8200P
AM OSC
2
4.7K
D
47
470K
13
FM IN/
AM IF
14
Vcc
0.01
0.1
68K
4.7K
15
FM DET
16
ST
17
TU
18
GND
19
AM IF IN
20
REG
21
AM MIX OUT
22
FM IF IN
15P
100K
D
4.7K
23
1
C
2.2K
1
AM OSC OUT
SVC347 or
MVR100
C
B
0.1
150P
56K
B
24
4.7K
DZS5.1B
1
4.7
3.3
0.01
24P
3.3K
0P
22K
4.7
FM/AM IF AMP,
DET/AM OSC,MIX/FM MPX
A
D
A
4.7K
0.022
270P
0
E
39K
330
0.01
10K
2P
56P
AM ANT
47K
LA1844M
BUFFER AMP
27P
1.5K
8P
0.01
470P
2SC3130 or
2SC2814,2SC1638
MA2S372 or
BB535,MVC3228,
MVC202A,BB179
2.7K
F
10K
2200P
100K
1
3.3K
C
CE
DI
CL
DO
AM
3
4
5
6
7
470
0.1
D
12P
10P
7.2MHz
B
0.01
47
220
0.1
10
1000P
9
C
E
B
D
A
470
X IN
2
47
8
PLL FREQUENCY
SYNTHESIZER
1
0.1
FM IN
LC72131M
0.1
11
FM
12
MONO
13
STRQ
BT IN
14
AM OSC
BT
15
SOC
GND
16
FM OSC
17
VDD
18
PD1
19
X OUT
56
20
C
1K
E
B
A
470
1K
3.9K
1K
1K
3.3K
A
B
D
C
4.7K
A
11 10 9 8 7 6 5 4 3 2 1
B
C
D
CL
DO
DI
Lch OUT
CE
Rch OUT
NC
+B(2)
SD
NC
GND
A
A
To C MAIN CIRCUIT(CP301)
on SCHEMATIC DIAGRAM-2/19-H
SA-DT300(PP) TUNER MODULE CIRCUIT DIAGRAM
1
2
3
4
5
6
7
8
9
10
11
12
SCHEMATIC DIAGRAM-10
TUNER MODULE CIRCUIT(Z1001 ENG07701Q)
:POSITIVE VOLTAGE LINE
2SC2620 or
2SC2714,2SK2413
0.01
330K
47P
390
2P
330
2SC2620 or
2SC2620 or
2SC2714,2SK2413 2SC2714, 2SK2413
RF AMP
FM IF AMP
100
2SC3130 or
2SC2814 ,2SC1638
FM IF AMP
0
POWER SUPPLY
(FM:ON)
0
0.01
2200P
:FM OSC SIGNAL LINE
0.01
680
22P
470P
330K
MA2S372 or
BB535,MVC3228
,MVC202A,BB179
3P
2SK360 or
2SK543,2SK2731
:AM OSC SIGNAL LINE
270K
22
8.5P
1K
100K
MA2S372 or
BB535,MVC3228
,MVC202A,BB179
MA110 or MA111,
BA5310,1SS352,
BA516,1SS355
6.5P
100K
G
0.1
22
10P
FM ANT
(75 )
:AM SIGNAL LINE
270
0.01
1K
FM MIXER
H
:FM SIGNAL LINE
1
0.1
PILOT IN
MPX IN
PILOT OUT
Rch OUT
6800P
2SC601 or
2SC26128,2SC647
1K
6800P
2.2K
Lch OUT
BUFFER AMP
7
8
9
10
11
3.3
1K
B
2SC601 or
2SC26128,2SC647
12
1K
6
470K
6800P
DET OUT
5
BUFFER AMP
10K
1000P
1.5K
0.47
10K
B
15P
4.7K
0
27K
2.2
3.3
39K
220
47
0.01
0
A
47
2.2K
2.2K
6800P
AM DET
6800P
AGC
4
A
VCO
AM RF IN
FM/AM
AFC
3
1K
10K
100
4.7K
3.3
6800P
4700P ~ 8200P
AM OSC
2
4.7K
D
47
470K
13
FM IN/
AM IF
14
Vcc
0.01
0.1
68K
4.7K
15
FM DET
16
ST
17
TU
18
GND
19
AM IF IN
20
REG
21
AM MIX OUT
22
FM IF IN
15P
100K
D
4.7K
23
1
C
2.2K
1
AM OSC OUT
SVC347 or
MVR100
C
B
0.1
150P
56K
B
24
4.7K
DZS5.1B
1
4.7
3.3
0.01
24P
3.3K
0P
22K
4.7
FM/AM IF AMP,
DET/AM OSC,MIX/FM MPX
A
D
A
4.7K
0.022
270P
0
E
39K
330
0.01
10K
2P
56P
AM ANT
47K
LA1844M
BUFFER AMP
27P
1.5K
8P
0.01
470P
2SC3130 or
2SC2814,2SC1638
MA2S372 or
BB535,MVC3228,
MVC202A,BB179
2.7K
F
10K
2200P
100K
1
3.3K
C
CE
DI
CL
DO
AM
3
4
5
6
7
470
0.1
D
12P
10P
7.2MHz
B
0.01
47
220
0.1
10
1000P
9
C
E
B
D
A
470
X IN
2
47
8
PLL FREQUENCY
SYNTHESIZER
1
0.1
FM IN
LC72131M
0.1
11
FM
12
MONO
13
STRQ
BT IN
14
AM OSC
BT
15
SOC
GND
16
FM OSC
17
VDD
18
PD1
19
X OUT
56
20
C
1K
E
B
A
470
1K
3.9K
1K
1K
3.3K
A
B
D
C
4.7K
A
11 10 9 8 7 6 5 4 3 2 1
B
C
D
CL
DO
DI
Lch OUT
CE
Rch OUT
NC
+B(2)
SD
NC
GND
A
A
To C MAIN CIRCUIT(CP301)
on SCHEMATIC DIAGRAM-2/19-H
SA-DT300(PP) TUNER MODULE CIRCUIT DIAGRAM
1
2
3
4
5
6
7
8
9
10
11
12
BU4053BCFE2
NJU7313AMT2
NJM4558MTE1
M62444F PE1
M5218AP
16PIN
30PIN
8PIN
42PIN
8PIN
M62456FPE1
C0ZBZ0000647
C0FBAJ000009
C0FBAK000008
TC7WH74FUTL
C0CBABC00119
24PIN
32PIN
14PIN
20PIN
8PIN
C0CBAEE00003
C0CBAHE00002
C0CBADE00034
C0CBADE00031
C0CBAEE00004
2
1
3
No.1
C2CBHG000095 80PIN
C2HBZC000013 80PIN
C0ZBZ0000650 48PIN
1
2
3
C0DAZZC00003
C0HBB0000030 64PIN
C0JBAB000423
AHCTG08DBV
C0JBAD000153
C0JBAZ001870
5
4
1
2
3
No.1
R
A
C
No.1
2SD1819ATX
2SB1218TX
2SB12190WL
C
B
2SB621RSTA
B1ABGC000001
UN521MTX
UN5214TX
UN5115TX
UN5111TX
UNR5211TX
XN0450100L
B1GFGCAA0001
2SC3940ARSTA
C
B1BCJJ000001
B
E
E
E
C
E
C
B
B
B
C
C
E
B
E
2SA20570P
B1DEGL000004
XN0431100L
C
B
MA111TX
1SS380TE-17
1SS355TE17
Cathode
Cathode
E
Ca
E
B
B
C
G
E
D
Anode
Ca
C
Anode
S
A
A
RL1N4003N02
MA143TX
SELS5923C
B3AGA000079
Anode
Anode
A
Cathode
Anode
Anode
B0FBAP000001
Cathode
Anode
Ca
Cathode
A
B0FFAC000001
MA8068MTX
MAZ83000HL
MA8120MTX
MAZ80680LL
MA8043MTX
MAZ80510LL
MAZ80910HL
MA8082MTX
1
+~
Cathode
Ca
~-
2
Cathode
3
A
1
Ca
2
Ca
3
Anode
A
A
Ca
B HEADPHONE P.C.B.
CN904
7. . . . .1
WHT
BLK
BLK
BLK
BLK
BLK
BLK
7. . . . .1
7. . . . .1
CN903
A FL P.C.B.
CN902
2 . . .10
1. . .9
CN901
11 . . . . 1
12 . . . . 2
TUNER
MODULE
11. . . . . . . . .1
2 . . .10
1. . .9
3
1
BLU
RED
CP301
CN902
W705
D DIGITAL AMP P.C.B.
VCR(EXT)
IN
W706
CN720
25 . . . . . . . . . . . 1
24 . . . . . . . . . . 2
OUT
CN451
FAN MOTOR
21
11 . . . . 1
12 . . . . 2
4. .1
CN101
CN301
WA722
6. . . .1
WA721
3 1
2 . . . . . . . . . . 24
1 . . . . . . . . . . . 25
IN TV
CN901
C MAIN P.C.B.
2 1
. .
. .
. .
. .
. .
. .
. .
. .
20 19
To SL-DT300
CN102
WB722
4
.
.
1
POWER
E TRANS P.C.B.
W3
W1
6
.
.
.
.
1
WB721
CP702
7. . . . .1
BLU
BRN
W1
AC INLET
W3
F
AC IN P.C.B.
T702
(POWER
TRANSFORMER)
CN702
1. . . . .7
NOTE:
BLK . . . Black
BLU . . . BLue
BRN . . . Brown
RED . . . Red
WHT. . . White