![background image](http://html.mh-extra.com/html/sony/hcd-gsx75-system-components/hcd-gsx75-system-components_service-manual_420742034.webp)
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
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
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)
µ
PC3504AHF