U1 Board Schematic Diagram - Sony KDF-E55A20 Service Manual

U1 BOARD SCHEMATIC DIAGRAM

1 |
A
J9402
6P
—
S TERMINAL BLOCK
SW1
VIDEO 1
B
—
C
SW2
VIDEO 3
—
D
—
E
—
F
—
G
KDF-E55A20/E60A20
2 | 3 | 4
R9418 C9411
0 2.2
1/10W 16V
VD9414 :CHIP F:CHIP
R9408
75
1/10W
:RN-CP
GND01
R9421 C9410
VD9410
75 0.01
25V
1/10W
:RN-CP B:1608
3 4
C9408
1 2
0.47
10V
B:1608
R9428
0
1/10W
:CHIP
VD9415
V1
R9422
75
1/10W
:RN-CP
R9411
L1
220k 1/10W :CHIP(1608)
R9417
C9407
VD9419
1k
0.001
1/10W
B:1608
:CHIP
-2 -2
R1
R9416
1k
-2
VD9420 R9410
1/10W
C9406
220k
:CHIP
0.001
1/10W R9429
-2
B:1608
:CHIP
-2 1/10W
:CHIP
3 4
R9426
75
1 2
VD9431 VD9416 1/10W
:RN-CP
C9415
R9425
0.01
75
1/10W
V2
:RN-CP B:1608
C9409
D9403
UDZSTE-17-10B
B:1608
L2
PROTECT
R9427
VD9433 0
1/10W
:CHIP
-2
VD9432
R9420
R2
75
VD9442
1/10W
:RN-CP
-2
GND04 -2 R9415 R9424
220k 1k
1/10W 1/10W
:CHIP(1608) -2 :CHIP
R9414
R9423
220k
1k
1/10W
1/10W
:CHIP(1608)
-2 :CHIP
| 5 | 6
R9430
0
1/10W
:CHIP
C9421
2.2
16V
F:CHIP
C9419
2.2
16V
F:CHIP
C9418
2.2
16V
F:CHIP
0 C9422
2.2
16V
F:CHIP
R9432
0
25V 1/10W
:CHIP
R9431
0
0.47
1/10W
10V
:CHIP
C9417
2.2
16V
F:CHIP
C9426
2.2
16V
F:CHIP
C9413 C9424
0.001 2.2
B:1608 16V
-2 F:CHIP
C9412
0.001
B:1608
-2
9-965-984-01<LA3>U1
| 7
1 Y1
2 C1
3 GND
4 Y3
5 GND
6 C3
7 S3
8 Y4
9 GND
10 C4
11 S4
12 V1-S2
13 GND
14 V3-S2
15 V4-S2
CN9402
15P
B-TO-B
TO A1:CN8001
1 V1
2 V3
3 GND
4 V4
5 GND
6 L1
7 GND
8 L3
9 GND
10 L4
11 GND
12 R1
13 GND
14 R3
15 R4
CN9401
15P
B-TO-B
TO A1:CN8002
KDF-E55A20/E60A20
87