Printed Wiring Boards - Sony KLV-B20G10 Service Manual

3-5.

PRINTED WIRING BOARDS

A
[AUDIO AMP, SOUND PROCESSOR, TUNER, MAIN REGULATOR, JACK, SECAM DECORDER, INVERTER, HEATSINK]
– A Board – (Component Side)
1 2 3
1-868-932-12
(172690512)
A
A406
1
A-1153-
1
T700 14.3V/16.5V
7
14.3V/16.5V
6
GND 6
GND
+5VSTBY
GND
B
C6242
1
JR6202
6
FB6208
1
T701
C 1
1
EP GW GN
5
7 R737
C6230
D703 R734
D702 D1
D1
Q701
R704 R5V
D 16.5V
R700
R702
16.5V
S1 G
PS700 16.5V
S1
2.5A
C732 D704 GND
R706
R714
GND
L001
C713 C717 R709
GND
R742
R745 R716 PANEL
DET
R712 R743
R711 BACK
28
R713
1 LIGHT
R744
DIMMER
C716
C718
C709
C719
C720
E
C721
14 15
R726
R705
R729
R728
C700
R727
R724
R707
D705
C6239
R733 PS701
D706
Q704 R725
R717
2.5A
D708 G
S1 G S1
C733
Q703
R722 C6206
D1
D1
R723 Q702
IC6202 R6201
JR2300
F
1 5
Q6203
R6202
D6202
R6205 C6204
Q6200
1
30
T702
FB6205
1 5
R2524
FB6207
G
C6256
L6207
L6203
C6255
H
T703
L6401
D6216
C6264
T6.3A/125V
F6400
FH6400 JR6214
FH6402
R6230
JR6213
R6231 VD9049
I
R9705
D6402 J6400
J2402
D6401
– 60 –
KLV-B15G10/B20G10
4 5 6 7
CN0042 C0001
1 5
CN0043
C2002
R0059 10
1
IC0001 1
29
L3801
R0021
R2101
L2000 L2101 R0020
L2100 C2102
11 R0016
20 30
2
R0062
L3809
C2101 Q3808
R2030
R2031
24
C3806
1 R3848
80
Q3809
25
A
IC3812
A
C3838
R3855
24 R3852
15
C3822
14
25
R3847
1 5
C3828 5
65
40 1
3 4 3 4
X3800
L2001
41 64
1
48
38
C2027 39 C3823
C2024 C2030
C2028
C2026
C2025
C2011
C2309
C2310
Q2002 R9744
C9645
D9532
C9646
D9536 D9533
VD9046
R2004
VD9050 C1301
R9692 VD9047
R9679
Q2001 R9699
R9759
R9758 R9680
C2414
C2411
R2421
R2521 R2323
C9650 4
R2402 5
C2403
R9738
C2402
R2403
R9751 R2419 1
R2411
D9531
R9753
R2428 VD9045 D2401
VD9048
C2405
C9653
R9681
R9704 C9656 VD9051
C2401 C2400
R9674 IC2400
J2403
KLV-B15G10/B20G10
RM-Y1108 RM-Y1108
8 9 10
A407 R1206
R0064
TU1101
Q1100
R1114 5 4
R1207
Q3904
L1200
8
R1209
1
R1201
C1204
C1112 C1201
R1203
C1202 R1202 C1200 R1200
R1204
R3849
R3843
C1110
6
4 L6215
C2502
3
1
C6272
IC6208
Q2201
1 2
C2200
JR2201 C2509
C2508
C1106
11
12
R1101
C2513
Q3905
C1100
D1100
L2500
C2410
R2416
R2418
D1101
R2413
C2511
C1108
C1107
C2516 C2515
11 12
IC1200
Q1201
R1208
C6221
10
1
IC0030
11 20
Q0002
R0026
C6200
D0003
Y/CVBS FRONT
GND
C2507 C FRONT
GND
FRONT IN L
GND
FRONT IN R
GND
HP L OUT
GND
HP R OUT
GND
HP PLUGGED
S 2 DET
CN0041
+5VSTBY
C2675
SIRCS
R0043
GND
GND
R0053
LED1
R OUT LED2
NC
R GND
R0050
L GND
L OUT
– 61 –