Read Sony CPD-G420 (serv.man4) Service Manual online
CPD-G420
— 21 —
1
A
B
C
D
2
3
4
5
6
7
Q101
Q201
Q301
R101
R306
R111
R211
R251
R261
R106
R311
R351
R340
R130
R240 R140
R001
R007
R010
R012
R015
R016
R020
R021
R022
R023
R030
R038
R051
R077
R092
R108
R207
R221
R308
R333
C042
C006
C015
C033
C040
C045
C048
C053
C008
C090
C105
C205
C312
C351
C050
C330
C011
C016
C018
C031
C044
C106
C120
C152
C206
C220
C252
C306
C320
C323
C035
D111
D201
D301
D311
D104
D204
D304
D305
D205
D105
D309
D209
D109
D409
D002
D003
D009
D011
D010
IC002
FB104
FB110
FB210
L004
SG001
SG002
SG201
C091
FB004
R082
C065
R078
R080
FB005
R264
JR102
D306
D206
D106
D106
Q003
IC011
R164
C066
C007
C013
C025
JR302
C064
D208
D308
R361
R161
R013
R118
C211
C311
FB302
C026
D013
R019
R003
R024
R025
JR003
JR004
JR005
JR006
JR008
JR018
JR019
JR020
JR024
JR026
CN315
CN318
CN319
CN309
CN307
CN320
CN308
CN313
JR001
R008
R301
R201
JR011
C032
JR016
R005
R318
R202
R215 C208
JR027
FB002
JR025
R163
R123
R104
R093
C062
R009
R362
R363
R054
R006
R032
R014
FB103
C313
R098
C027
R223
C213
R117
R110
R217
R323
C201
R035
R036
R037
R086
R018
JR021
FB003
C009
JR015
C022
C017
C029
R053
C054
C046
JR029
C092
FB007
C049
IC005
L007
D211
R330
CN312
CN311
C060
R061
R045
R049
R042
R044
R040
Q001
D007
D008
1
8
KB
KG
KR
HEATER
GND
GND
GND
GND
INPUT SW
G2
1
DDC SCL1
1
9
11
11
15
15
5
5
10
10
6
1
1
1
2
4
5
3
4
5
6
7
8
9
10
11
1
9
1
17
1-679-351-21
(1-719-000-21)
A1
[Video]
D002
C-2
D004
C-2
D006
D-2
D009
D-2
D010
C-2
D011
C-1
D012
C-2
D013
C-1
D014
D-4
D016
C-1
D019
B-1
D101
A-2
D104
B-6
D105
B-6
D106
B-7
D108
A-6
D111
B-2
D201
A-2
D204
B-6
D205
B-6
D206
B-7
D208
A-5
D211
B-2
D301
B-2
D304
A-6
D305
A-6
D306
B-6
D308
A-5
D311
B-3
IC001
B-4
IC002
B-5
IC003
A-3
IC004
B-7
IC005
B-3
IC006
A-1
IC007
D-1
IC008
A-2
IC011
C-5
Q004
D-2
Q005
D-2
Q101
A-5
Q201
A-5
Q301
A-5
A1 BOARD LOCATOR LIST
TRANSISTOR
DIODE
IC
0.74 Vp-p (H)
H
1.12 Vp-p (H)
0.73 Vp-p (H)
54.5 Vp-p (H)
54.5 Vp-p (H)
H
• A1 BOARD WAVEFORMS
3
2
1
4
5
6
56.0 Vp-p (H)
IC001
IC002
IC003
IC004
IC006
IC008
pin
volt
pin
volt
pin
volt
pin
volt
pin
volt
pin
volt
1
GND
1
56.6
1
GND
1
200.0
1
0.3
1
5.0
2
3.6
2
GND
2
0.4
2
NC
2
4.5
2
1.4
3
12.0
3
56.3
3
2.2
3
108.3
3
0.0
3
5.0
4
3.6
4
GND
4
4.7
4
103.0
4
4.9
4
1.4
5
2.3
5
55.4
5
4.5
5
108.4
5
4.6
5
5.0
6
GND
6
79.4
6
GND
6
103.0
6
0.3
6
1.4
7
3.6
7
GND
7
4.4
7
106.9
7
GND
7
4.0
8
GND
8
2.6
8
GND
8
101.6
8
4.6
8
0.3
9
0.6
9
2.6
9
5.0
9
NC
9
0.2
9
GND
10
4.4
10
12
10
0.1
10
1.3
10
0.0
10
1.7
11
5
11
2.6
11
0.8
11
1.3
11
4.9
11
4.7
12
0
12
0.3
12
1.3
12
0.4
12
1.7
13
0
13
0
13
4.9
13
4.5
13
0
14
0
14
2.1
14
4.9
14
5.0
14
1.7
15
0
15
NC
15
4.9
IC007
15
0
16
GND
16
GND
16
12.0
pin
volt
16
0.0
17
0.8
17
5
17
GND
1
GND
17
GND
18
0.1
18
0
IC005
2
GND
18
0.4
19
4.7
19
0
pin
volt
3
GND
19
4.1
20
4.5
20
0
1
NC
4
GND
20
5
21
NC
21
0
2
2.3
5
4.2
21
0.6
22
3.2
22
4.3
3
GND
6
4.2
22
3.1
23
3.3
23
0.6
4
2.1
7
0.0
23
2
24
3
24
4.2
5
5.0
8
5.0
24
GND
25
GND
25
0.5
25
2.0
26
2.6
26
GND
26
5
27
GND
27
4.9
27
GND
28
2.6
28
5
28
2
29
12
29
5
29
5
30
2.6
30
4.2
30
GND
31
5
31
4.2
31
2
32
GND
32
4.2
32
5.0
33
3.4
IC011
34
GND
pin
volt
1
3.3
2
7.0
3
GND
4
4.9
5
1.2
All voltages are in V
A1 BOARD IC VOLTAGE LIST
B
C
E
Q101
4.8
4.2
5
Q201
4.8
4.2
5
Q301
4.8
4.2
5
All voltages are in V
A1 BOARD TRANSISTOR LIST
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