Sony HCD-GSX75 / MHC-GSX75 Service Manual ▷ View online
33
33
HCD-GSX75
7-8. Schematic Diagram – MAIN Section (1/3) –
J301
R207
Q402
Q404
Q406
Q408
CN308
Q309
Q306
R320
R319
R318
R321
C121
C221
R117
R217
C308 C101
C103
C104
C201
C203 C204
C
10
7
C
10
8
R
10
1
C
2
07
C20
8
R201
C112
C212
C302
C109
C209
CN309
C206
C102
C202
C402
C401
R310
R309
R312
R313
R326
R333
C313
C312
PIN
R220
R120
R
119
R118
R219
R316
C225
C125
CN310
R305
R223
R123
D311
D310
R406
R404
R405
Q307
R324
R325
Q310
R322
R323
Q308
R351
C307
C110
C113
C114
C213 C214
C310
C303
C210
R304
C304
D301
R303
R205
R204
R104
R105
R334
Q303
R335
C105
C205
D
306
C317
R418
R417
R416
R415
D302
R314
R315
R340
C369
CN311
C305
C311
D303
D304
C318
R409
R410
R411
R412
R413
R414
R408
R407
C403
R402
R401
CN307
IC401
Q304
C222
C122
R302
C301
Q101
C368
R352
C106
R301
IC301
Q201
R218
R107
R339
R403
RV401
J304
R311
C316
R221
R
121
R103
C111
R102
R202
R203
C
211
JR101
JR201
R108
R208
2P
10k
KRC102S
KRC102S
KRC102S
KRC102S
7P
2SA950Y
2SA950Y
1k
1k
1k
1k
4.7
50V
4.7 50V
5.6k
5.6k
10
50V
10
50V
10
50V
10
50V
10
50V
10
50V
10
50V
0
.02
2
0
.02
2
2.2
k
0
.0
22
0
.02
2
2.2k
10
50V
10
50V
220p
10
50V
10
50V
8P
10
50V
10
50V
10
50V
0.1
0.1
22k
10k
4.7k
4.7k
4.7k
4.7k
0.1
47
10V
33k
33k
47k
1k
47k
15k
10
50V
10
50V
5P
10k
10k
10k
1SS355
1SS355
10k
1.2
1.2
KRC102S
2.2k
100k
KRC102S
2.2k
100k
KRC102S
10k
100
16V
0.1
0.1
0.1
0.1
0.1
470
10V
0.1
0.1
100k
0.47
50V
1SS133T
1M
10k
47k
47k
10k
4.7k
KRA102S
330
10
50V
10
50V
1S
S
133T
0.1
10k
10k
10k
10k
1SS133T
47k
470k
10
1
11P
0.047
0.1
1SS133T
1SS133T
0.1
3.3k
3.3k
3.3k
33k
33k
33k
10k
10k
100
16V
16V
100k
100k
9P
BA6780
KTC3198GR
0.01
0.01
4.7k
330p
2SC1623
100
10V
10k
10
50V
4.7k
M61519FP
2SC1623
1k
10k
1k
0
10k
1P
47k
0.1
10k
10k
4.7k
680p
15k
15k
4.7k
68
0p
10k
10k
PB-R
A-GND
PB-L
+9.6V
PB-MUTE
REC-MUTE
REC-L
REC/PB
REC-R
BIAS-GND
ALC-ON
GND
B1
+12V
+8V
+5V
+9V
L OUT
R OUT
+3.3V
B3
VACS
TS
1
TS
2
TS
3
TU-DI
TU-ON
PLAY-SW
SHUT
HALF
M
O
-O
N
S
O
L-O
N
REC/PB
REC-MUTE
PB-MUTE
VOL-CLK
VOL-DA
ALC
TU-CE
TU-CLK
TU-DO
TU-TUND
LO
-IN
TA
B
-R
T
A
B
-L
L
O
-O
U
T
D
S
IN
S
W
O
U
TS
W
F-RELAY
H/P-CHK
STK-MUTE
A-MUTE
PROTECT
(CHASSIS)
(CHASSIS)
HCD-GSX75
34
34
7-9. Schematic Diagram – MAIN Section (2/3) – • See page 48 for IC Pin Function Description.
D931
D933
D932
D934
D939
R
935
R
936
R
937
R
934
C
954
C805
R831
R832
D804
C
80
4
C
803
R
81
8
R806
Q317
R809
R810
R808
R
811
R
812
R
815
R
817
R
816
R
814
R
813
R823
R
825
R805
R827
R828
CN306
R332
IC305
Q801
Q805
R
84
3
CNP301
R
844
R845
CN305
R
8
20
R
8
21
R
8
22
R
8
47
R804
CN301
CN314
CN720
C936
C
935
C955 C956
D
942
D802
C
806
R829
D801
R801
IC309
Q316
D308
C370
Q802
Q806
R840
R839
R834
C815
C814
Q311
Q312
R
8
46
D907
R803
R807
R338
C315
Q804
R852
FB302
C309
C371
C372
C373
R851
R850
C943
CN316
FB301
FB303
D715
D714
C726
C738
D728
D727
D725
C725
D723
C724
D721
C723
R734
C730
R730
R726
C734
R736
R735
R733
C729
R
72
5
C733
R732
R728
R
72
4
C732
R731
R727
R
7
23
C731
R737
R842
X
802
R356
D806
D803
R830
R833
R826
C801 C802
C811
X801
R802
R854
R835
R819
R837
R836
C953
Q934
IC803
C809
C808
C810
IC931
IC932
IC933
C934
C941
Q931
Q803
IC802
IC801
R342
R341
D726
D724
D722
C728
C727
R729
C736
R848
R838
C812
C813
C933
C932
C931
D807
D941
R933
C374
C375
C377
C939
C938
C937
C930
R931
C942
C807
R853
R824
1N4002B
1N4002B
1N4002B
1N4002B
MTZJ13B
10k
220
220
100k
47
50V
10
50V
47k
47k
1SS133T
15p
15
p
10k
100
2SB1013
2.2k
2.2k
100
100
1k
100
1k
100k
220k
2.2k
10k
1
k
100
4.7k
2.2k
4P
100k
SN74LV04ANSR
2SC1623
2SC1623
1
0k
1k
1k
29P
100
10
0
10
0
1
00
100
8P
11P
5P
220
16V
470
10V
0.1
0.1
M
TZJ-T-77-5.6B
1SS133T
0.1
100
1SS133T
10k
TOTX178A
KRC102S
1SS133T
220
10V
10V
2SB710-RTX
2SB710-RTX
10k
10k
10k
220
10V
0.1
KRA102S
KRC102S
1
00
1N4002B
100
1k
220
100
10V
KRC102S
10k
0UH
0.1
1
0.0047
0.47
100
1k
0.1
6P
0UH
1SS355
1SS355
0.1
50V
10
50V
1SS355
1SS355
1SS355
0.1
50V
1SS355
0.1
50V
1SS355
0.1
50V
1k
0.22
47k
220k
1
1k
470k
1k
0.068
22
0k
0.22
1k
47k
22
0k
0.047
1k
47k
2
20k
0.0068
330k
10k
32
.76
8kH
z
1k
1N4002B
1SS133T
4.7k
10k
4.7k
2200
6.3V 0.1
0.1
16MHz
10k
47k
10k
10k
10k
10k
10
50V
KTA1271Y-AT
-30V REG
1000
6.3V
0.1
0.1
KIA7805
KIA7808
KIA7809
2200
10V
0.1
2SD2394
2SC1623
M62703ML
M30624MGN-A16FP
10k
10k
1SS355
1SS355
1SS355
0.0068
0.0047
47k
0.1
50V
1k
1k
220
10V
10V
0.1
0.1
0.1
3300
25V
1N4002B
MTZJ-T-77-30A
2.2k
10
50V
0.01
0.1
0
0.1
470
16V
0.1
1000
16V
560
0.1
0.01
1k
150
GND
B1
+12V
+8V
+5V
+9V
R OUT
L OUT
+3.3V
B3
VACS
D
IS
1
D
IS
2
D
IS
3
D
IS
6
D
IS
7
D
IS
8
D
IS
4
C
D
1
C
D
2
C
D
4
C
D
5
C
D
6
CD8
C
D
10
CD
11
C
D
12
CD19
CD3
LO
-IN
L
O
-O
U
T
TA
B
-L
TAB-R
TS1
TS2
TS3
OUTSW
INSW
DS
DIS3
D
IS
1
D
IS
2
CD21
CD21
HALF
SHUT
A
-M
U
T
E
F-R
ELA
Y
S
TK-M
U
T
E
DIS6
DIS7
P
R
O
TE
C
T
V
O
L-C
LK
H
/P
-C
H
K
DIS8
DIS4
P
LA
Y
-S
W
A
LC
M
O
-O
N
SO
L-O
N
R
EC
/P
B
P
B
-M
U
TE
R
EC
-M
U
TE
VO
L-D
A
TU-CE
TU-CLK
TU-DO
TU-DI
TU-TUND
TU-ON
C
D
9
CD1
CD2
CD3
CD4
CD5
CD6
CD7
CD8
CD9
CD10
CD11
CD12
CD13
CD14
CD15
CD16
CD17
CD18
CD19
CD20
CD14
CD18
C
D
13
CD
15
C
D
17
CD7
CD20
CD16
VACS
F4
F3
F2
F1
F1
F2
F3
F4
V
A
C
S
(CHASSIS)
µPC3504AHF
35
35
HCD-GSX75
7-10. Schematic Diagram – MAIN Section (3/3) –
T441
T461
C462
C467
C466
C447
C442
C445
Q483
C481
C482
C483
CN441
T481
Q482
C484
Q485
Q484
Q462
Q461
Q442
Q441
Q481
R482
R481
R486
R488
R485
R483
R447
R443
R442
C444
R441
R489
R484
R497
R492
R490
R454
R470
R496
R493
R495
R498
R494
C443
C486
C469
C449
C487
C485
C441
C461
C446
C448
R446
R445
R444
R448
R465
C468
R466
R464
R463
C464
R471
R472
C465
R461
R462
C463
R452
R451
C450
R453
R468
R467
C470
R469
IC481
C488
C490
C489
R491
R487
100 10V
1 50V
10
50V
1 50V
100 10V
1 50V
KRC102S
10 50V
100
16V
10 50V
8P
KTA1266Y-AT
10
50V
KRC102S
KRA102S
KTC3203Y
KTC3203Y
KTC3203Y
KTC3203Y
KTC3203Y
1M
24k
47k
33
10k
47k
10k
10k
12k
0.01
33k
1k
4.7k
4.7k
33
3.3k
4.7k
4.7k
47k
10k
4.7k
1
10
0.01
0.012
0.001
0.001
0.0047
1
50V
470p
50V
470p
50V
10
50V
10
50V
10k
47k
1.5k
2.2k
47k
10
50V
10k
1.5k
10k
0.01
10k
2.2k
1
50V
33k
12k
0.01
10k
10k
330p
6.8k
10k
10k
330p
6.8k
HA12237F
47
10V
0.0068
0.01
47
1k
A-GND
PB-MUTE
REC-MUTE
REC-L
REC/PB
REC-R
BIAS-GND
ALC-ON
PB-L
PB-R
+9.6V
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
SWITCH
Q482,483
REC BIAS
REC BIAS
REC BIAS
REC BIAS
HCD-GSX75
36
36
7-11. Printed Wiring Board – AMP Section – • See page 22 for Circuit Boards Location.
Ref. No.
Location
D151
F-4
D152
C-6
D251
F-4
D252
C-6
D351
C-6
D352
H-7
D551
E-9
D552
E-9
D553
D-7
D554
G-9
D555
D-2
D556
D-2
D557
C-9
IC601
E-2
Q151
H-7
Q152
E-4
Q153
B-7
Q251
H-7
Q252
E-4
Q253
B-7
Q351
C-7
Q352
C-7
Q353
G-7
Q354
G-7
Q355
G-8
Q551
H-10
Q552
I-10
Q553
H-10
Q554
C-9
Q555
C-9
Q556
B-10
Q557
C-10
Q558
C-9
Q559
G-10
Q560
G-10
Q561
F-10
Q562
G-9
• Semiconductor
Location
R565
C354
R169
R553
R264
R254
R164
R568
Q554
R270
Q551
R255
R155
R269
Q
559
Q153
R253
R262
Q553
R554
R163
R162
R268
R361
C253
C352
R356
Q151
R557
R556
R555
C254
C154
R537
Q561
Q355
R154
R156
R256
C156
R355
C256
R570
R353
R358
R263
Q253
Q560
R170
R168
R251
R569
R562
Q251
R560
R564
R566
R561
C153
R351
R354
Q552
R153
Q555
R151
R
551
R
552
R357
R567
R360
R152
R252
Q
562
R172
JR150
JR151
JR152
JR153
JR154
JR155
JW
176
JW
153
JW168
JW
150
JW
172
JW126
JW161
JW103
JW156
JW
146
JW118
JW
148
JW167
JW122
JW119
JW117
JW175
JW
164
JW
142
JW106
JW157
JW
163
JW162
JW151
JW131
JW
125
JW120
JW155
JW127
JW130
JW129
JW160
JW105
JW
102
JW114
JW
124
JW173
JW
143
JW
152
JW
147
JW115
JW
144
JW128
JW
123
JW154
JW171
JW166
JW
149
JW169
E
E
E
E
E
E
E
E
E
E
JW121
JW132
JW170
JW116
JW159
JW
165
JW113
RY501
EB501
R166
C252
CN354
C257
D556
IC601
C351
R157
C160
CN351
C
N352
R161
C152
R266
C557
D552
R558
D553
C
553
C552
R267
C157
D551
D554
Q353
Q252
C560
C562
C255
C155
C563
C151
C355
D351
CN356
R259
C554
D151
C561
C
564
TH501
Q556
Q152
CN353
Q352
C
251
C260
L251
L151
R559
R158
D251
Q351
R257
R261
D555
C559
R159
C258
R165
C159
C259
R265
R352
D352
CN358
Q558
R258
C556
Q557
C551
Q354
D152
C158
C555
R171
D252
EB502
C261
C161
D557
R167
C558
R362
CP301
CP302
JW135
JW
174
F502
F503
F501
FH501
FH502
FH503
FH504
FH505
FH506
FH507
F504
FH508
JW158
JW
111
AMP BOARD
11
(11)
1-687-598-
J357
CNP356
SPK BOARD
11
(11)
1-687-599-
+
-
+
-
L
SPEAKER
R
R
POWER
BOARD
(Page 42)
J
MAIN
BOARD
(Page 32)
L
MAIN
BOARD
(Page 32)
E
E
E
E
M351
DC FAN
M
C
881
FB801
FB802
FB803
FB804
J882
J881
L881
CNP503
CNP504
H/P JACK BOARD
11
(11)
1-687-603-
KEY–BOARD
INPUT
5
3
4
1
2
6
PHONES
MAIN
BOARD
(Page 32)
H
2
3
4
5
6
7
8
9
10
11
12
13
A
1
B
C
D
E
F
G
H
I
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