Sony HCD-GN70V / MHC-GN70V Service Manual ▷ View online
HCD-GN70V
41
41
7-12. SCHEMATIC DIAGRAM – MAIN SECTION (3/3) –
C206
C210
C914
C901
C911
C913
EPT901
R901
R902
C269
C219
C902
R904
R906
R905
C921
CN402
C917
R903
CN202
NO903
C903
C207
D909
D910
D911
D912
D913
D914
D915
R205
R255
R206
R256
FB286
CN201
Q206
C904
R254
R204
C205
R286
R285
Q251
Q201
Q901
Q902
R854
R913
R908
IC903
C906
C924
C923
D917
C910
C912
C915
IC901
IC902
C918
C919
R284
C202
C203
FB206
C922
CN901
CN902
NO901
IC502
D941
C920
Q903
FB284
FB205
JR006
Q207
JW901
C908
C909
D901
C905
IC904
µPC2905HF
C209
0.1
0.1
470
16V
3300
25V
470
16V
16V
470
16V
GND PLATE
2.7k
2.2k
10
50V
10
50V
1000
25V
8.2k
1k
8.2k
100 50V
19P
FFC-R
470
10V
2.2k
12P
AMP-L
7P
2200
16V
1000 16V
10EDB40
10EDB40
10EDB40
10EDB40
10EDB40
10EDB40
10EDB40
2.2k
2.2k
4.7k
4.7k
0
19P
FFC-L
DTC114EKA
0.01
10k
10k
0.1
22k
22k
2SC3661
CD MUTE
2SC3661
CD MUTE
2SB1375
B+ SWITCH
DTC114EKA
B+ SWITCH
4.7k
47k
10k
TA7804LS
+3.9V REG
100
16V
0.1
2.2
50V
1SS355
0.1
0.1
0.1
TA7809LS
+9V REG
TA7809LS
+9V REG
0.1
3300
6.3V
470k
1000
6.3V
0.022
0
2.2
50V
6P
B-TO-B
13P
B-TO-B
3P
RT8H015C-T112-1
UDZ-TE-17-33B
10
50V
2SB1375
-33N REG
0
DTA124EKA
0.1
0.1
D3SBA20-4101
0.01
+5V REG
3300
10V
GC
VCD-POWER
CD
M+9V
-B
D3.3V
D+4V
GND
B4
TC +9V
CD R
CD L
STBY RLY
VACS CTRL
EVER+4V
EVER+3.3V
+13.3V
A+9V
SPEANA
B1
40
35
36
37
38
32
34
33
27
46
47
49
29
30
4
73
74
48
25
43
22
21
44
45
41
42
84
83
94
78
7
5
6
1
2
3
75
*2
*2
BUFFER
BUFFER
EA
EXCEPT EA
0
0uH
*2 FB205,284
HCD-GN70V
42
42
V
V
V
V
C
J
C719
R788
R789
NO603
S790
R790
S789
S788
D748
R748
S749
D748
R749
Q748
E
S792
R792
S791
R791
S762
S750
S768
S767
R1001
S763
R762
R763
D1003
Q1001
Q1006
R1002
D1002
Q1002
R1003
R1004
JW1002
S760
S761
D1001
D1011
C751
C752
JW1001
C750
3
1
2
1
2
JW1003
JW1018
R765
C615
IC603
C614
3 2 1
S769
CN605
R625
R750
S771
JW1020
JW1007
JW1008
D1004
JW1009
JW1010
JW1019
D1005
R1005
JW1005
JW1004
R761
JW1014
E
E
E
E
E
E
R1011
R759
S748
JW1016
R760
D1010
D1009
Q1005
R1009
R1010
JW1015
S759
S766
S765
R776
R777
R775
R774
S773
JW1011
R766
R768
R769
R767
R770
Q1003
R1006
D1006
R772
R773
R771
R1007
R1008
D1008
Q1004
S770
D1007
JW1017
JW1013
JW1022
CLP703
VOLUME BOARD
CD SWITCH BOARD
11
(11)
1-686-936-
11
(11)
1-686-937-
PUSH
ENTER
MOVIE
EQ
EFFECT
ON/OFF
ON/OFF
MUSIC
EQ
SURROUND
SPRAKER
MODE
EDIT/
DIRECTION
FM MODE
REPEAT
TUNER MEMORY
PLAY MODE
AMP MENU
DISPLAY
VOL 4
VOLUME
GROOVE
ILLUMINATION
VOL 11
P.FILE
GAME EQ
VOL 5
VOL 6
VOL 7
VOL 8
VOL 9
VOL 10
VOL 3
VOL 1
VOL 2
EX-CHANGE
DISK SKIP
DISC 3
DISC 2
DISC 1
Z
OPEN/CLOSE
L
DISPLAY
BOARD
(Page 44)
M
DISPLAY
BOARD
(Page 44)
11
(11)
MAIN
BOARD
(Page 38)
MAIN
BOARD
(Page 38)
GAME IN BOARD
C630
C631
EP701
J631
PHONES
C731
C728
R727
R729
R730
C733
C732
C734
R731
R747
D705
IC721
8
7
14
1
C721
C722
R723
R724
R725
RV721
ECHO LEVEL
IC722
C729
C726
C725
C730
R726
R728
JW605
C724
C727
C735
R733
C741
C737
C715
C723
C736
C738
JW604
C739
R735
C743
1
4
5
8
R742
R736
R745
C740
RV722
MIC LEVEL
R737
C742
R744
R734
C744
R739
R738
C748
JW602
R721
R740
JW603
R743
Q721
C747
R746
JW764
E
J721
MIC
MIC
1-686-935-
EP703
CN607
JW607
CLP704
GAME INPUT
AUDIO
VIDEO
L
R
CN606
1
R604
R602
R605
C749
CLP702
C716
R603
C604
C606
JW609
C717
C718
C635
JW613
R722
C634
JW610
8
JW601
J601
2
3
4
5
6
7
8
9
10
11
12
13
A
1
B
C
D
E
F
G
H
I
7-13. PRINTED WIRING BOARD – GAME IN, CD SWITCH SECTION –
•
See page 26 for Circuit Boards Location.
D748
H-12
D1001
E-9
D1002
D-10
D1003
D-10
D1004
C-10
D1005
C-9
D1006
B-9
D1007
C-8
D1008
C-8
D1009
D-8
D1010
D-8
D1011
E-8
IC603
B-11
IC722
D-2
IC721
B-3
Q721
E-3
Q748
H-11
Q1001
D-9
Q1002
D-10
Q1003
C-9
Q1004
C-8
Q1005
D-8
Q1006
D-8
• Semiconductor
Location
Ref. No.
Location
HCD-GN70V
43
43
7-14. SCHEMATIC DIAGRAM – GAME IN, CD SWITCH SECTION –
J631
J601
3P
RV722
100
50k
R736
10k
5
6
7
8
R773
R774
R775
R772
R770
R766
R771
R761
R760
R759
C615
R762
R767
R768
R769
R750
R765
R776
R777
R763
D1005
R1005
Q1005
Q1004
R1004
D1004
D1003
Q1003
D1002
R1002
Q1002
Q1001
R1001
D1001
D1010
R1010
R1009
D1009
D1008
R1008
D1007
R1007
Q1006
R1006
D1006
D1011
R1011
CN605
CLP703
S769
S770
S759
S761
C614
S762
S768
S763
C751
C752
R1003
R792
R791
R789
R790
R788
D748
R748
Q748
R749
S791
S790
S792
S788
S789
S749
NO603
S773
S771
S767
S766
S765
S760
C750
IC603
S748
R625
S750
6.8k
10k
15k
4.7k
2.2k
680
3.3k
15k
10k
6.8k
47
10V
22k
1k
1.5k
1.5k
270
470
22k
33k
33k
SLI-325URT31WT
RED
470
BA1A4M
BA1A4M
470
SLI-325URT31WT
RED
SLI-325URT31WT
RED
BA1A4M
SLI-325URT31WT
RED
470
BA1A4M
BA1A4M
470
SLI-325URT31WT
RED
SLI-325URT31WT
RED
470
470
SLI-325URT31WT
RED
SLI-325URT31WT
RED
470
SLI-325URT31WT
RED
470
BA1A4M
470
SLI-325URT31WT
RED
SLI-325URT31WT
RED
470
17P
FFC-L
WIRE
0.001
0.1
0.1
470
33k
22k
10k
15k
6.8k
SELS5223S
RED
330
BA1A4M
270
5P
AMP-L
ROTARY SWITCH
0.1
VOLUME ENCODER
47
55
54
53
52
56
57
52
53
54
55
56
57
VOLUME
I/
I/
OPEN/CLOSE
EX-CHANGE
DISC SKIP
LED DRIVE
Q1001-1006
LED DRIVE
CN607
2P
EP703
CLP702
C716
0.1
R
L
AUDIO
VIDEO
GAME INPUT
R602
R603
C604
C606
R604
R605
1k
1k
2.2
50V
2.2
50V
100k
100k
R743
C748
C749
10k
0.022
0.1
R739
C744
100k
0.001
J721
R742
C747
IC722(1/2)
C742
1k
2.2
50V
NJM4565D
47p
1
2
3
4
C719
R745
2.2
50V
IC722
MIC AMP
R738
R737
C741
C743
1k
22k
0.15
50V
470p
C635
C634
0.001
0.001
IC721
C722
R723
C721
R724
C724
R725
C723
C725
C727
R726
D705
C730
R728
C729
R727
C728
RV721
M65850P
ECHO AMP
0.0068
15k
0.0015
15k
0.068
15k
50V
0.22
50V
0.015
47k
MTZJ-T-72-5.1B
0.022
15k
1
50V
15k
0.0015
50k
C726
C734
C733
0.22
50V
47
16V
16V
10V
10V
C732
C731
R730
R729
0.068
0.0068
15k
15k
C739
R735
IC722(2/2)
C736
R734
C737
C715
C738
C740
Q721
R747
C735
R733
R744
47p
50V
50V
180k
NJM4565D
10
50V
100
10
50V
47p
2.2
50V
100p
2SC2785TP
BIAS
150
2.2
50V
15k
100k
R722
R721
C718
R746
C717
R740
18k
10k
100
10V
10V
1k
100
10V
10V
2.2k
EP701
C631
C630
CN606
0.001
0.001
8P
R731
120k
120k
1
DISPLAY
BOARD
(Page 45)
DISPLAY
BOARD
(Page 45)
MAIN
BOARD (2/3)
(Page 40)
MAIN
BOARD (2/3)
(Page 40)
HCD-GN70V
44
44
7-15. PRINTED WIRING BOARD – DISPLAY SECTION –
•
See page 26 for Circuit Boards Location.
D100
D-6
D101
D-8
D102
C-8
D103
E-8
D104
E-8
D105
D-6
D106
E-4
D107
E-4
D601
F-2
D602
E-9
D603
D-9
D604
B-9
D605
C-9
D606
C-9
D610
A-2
IC101
D-7
IC102
F-9
IC601
B-5
Q100
D-6
Q601
G-2
Q602
B-9
Q603
C-9
Q604
D-9
Q605
F-2
Q606
F-2
Q707
G-2
Q807
B-7
Q808
B-7
• Semiconductor
Location
Ref. No.
Location
IC601
Y1
Y2
Q601
Q707
S758
R634
R635
R632
R633
D601
CN601
R631
JW701
R636
R637
JW702
Q606
S779
JW756
JW757
S755
S754
S753
S756
JW754
S757
JW709
JW715
JW716
R779
R654
R656
R655
JW714
JW717
JW718
JW703
JW704
JW705
Q605
JW707
JW706
D106
JW713
JW724
JW719
JW721
JW722
JW720
JW723
D107
JW725
JW760
R758
JW712
JW710
JW708
C620
C619
C710
C618
C711
L602
JW749
CLP701
R753
R754
S751
S752
R657
JW752
R751
R752
NO602
JW751
L601
R755
R756
R757
C652
C651
R647
C653
R645
D610
R646
JW753
R821
FL601
X601
R660
C623
JW748
JW763
R817
R818
R819
R820
Q807
Q808
JW759
JW700
R670
JW755
JW750
R663
R658
JW727
JW726
C622
R662
R661
JW729
JW758
JW738
JW737
JW740
JW739
JW728
C105
JW733
JW734
JW735
JW736
JW732
C712
JW108
R137
JW109
R140
JW107
R127
D100
C115
R128
D105
C110
C121
JW730
JW731
D102
R110
C106
C107
R108
R109
R105
R107
C109
C624
C625
C626
C627
C628
R808
R807
JW741
JW745
JW747
JW762
R112
Q602
Q603
D605
R626
R627
D604
R628
D606
JW743
JW742
R130
S784
D603
Q604
R106
R629
S783
R630
C122
R111
R113
R113
R785
S785
S787
S786
R786
R787
JW746
JW744
R117
R132
R133
R129
IC101
R104
C101
C102
C104
R102
R103
D101
R119
R123
R125
R125
C120
S782
S781
R783
C119
R781
R782
R784
R114
R115
R116
IC102
C112
C111
R121
C116
C117
R120
R122
JW761
R659
C123
R822
R823
R136
R138
R139
Q100
JW106
C125
C152
C153
C118
JW113
C154
CN604
D602
JW105
JW102
R118
R124
C114
D103
D104
JW112
JW103
R131
JW104
R134
C100
C124
JW101
C155
C156
C157
R653
R652
CD
TUNER/BAND
TAPE A/B
MD(VIDEO)
GAME
GAME MIXING
KARAOKE/MPX
x
h
h
X
>
M
>
M
,ALBUM+
–,
,ALBUM–
CD SYNC
REC
PAUSE/START
,+
E
E
E
E
E
E
E
1 100
50 51
81
80
30
31
1
4
5
8
11
(11)
1-686-934-
DISPLAY BOARD
M
VOLUME
BOARD
(Page 42)
I
MAIN
BOARD
(Page 38)
L
CD SWITCH
BOARD
(Page 42)
E
E
E
8
5
1
4
2
3
4
5
6
7
8
9
10
A
1
B
C
D
E
F
G
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