Toshiba 42WP37C Service Manual page 95

Plasma display
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SC-Board Block Diagram
SC
Scan Drive Board
A
IC6605
IC6602
BUFFER
FET DRIVER
TO D20
SC20
CSH
18
8
12
IC6607
CSL
17
6
14
BUFFER
12
4A
4Y
11
CBK
14
4
16
1
3
1A
1Y
9
3A
3Y
8
IC6601
4
2A
2Y
6
FET DRIVER
2
5
10
13
CMH
20
15
5
9
11
CML
19
17
3
B
CEL
13
2
18
IC6603
FET DRIVER
IC6606
BUFFER
CPH
9
11
9
CEL2
8
13
7
Q6603
Q6604
C
CL
2
2
18
CLK
3
4
16
SIU
4
6
14
SID
6
8
12
SCSU
7
17
3
D6584
SOS1
11
D
SOS2
12
TO P2
SC2
VSUS
1
VSUS
2
TO P23
SC23
+15V
1
+15V
2
E
SC-Board Block Diagram
1
CSH
D6624
Q6621
12
8
L6611,12
L6615,16
1/2 Vo
CSL
14
1
Q6624
D6629
S2 CMH
VSUS
Q6611
Q6601
Q6612
Q6602
12
8
S3 CML
14
1
Q6613
Q6605
Q6614
Q6606
VBK GEN
Q6671 Q6673
VSUS
14
Q6672
IC6604
Q6641
12
8
Q6642
IC6581
Q6581
D6583
(RED LED)
D6559
D6468
D6470
D6479
2
3
IC6501
D6505
BUFFER
PHOTO COUPLER
CL
FCLD
3
5
1
2
5
6
FCLU
3
4
D6506
FCLKD
13
12
9
8
PHOTO COUPLER
FCLKU
CLK
11
10
3
5
D6507
IC6502
PHOTO COUPLER
BUFFER
SIU
FSIU
3
5
1
2
D6508
PHOTO COUPLER
SID
FSID
3
5
3
4
D6501
PHOTO COUPLER
5
6
CEL2
PROU
3
5
9
8
PROD
11
10
IC6511
VSCN
FET DRIVER
SC
Q6511
Q6501
2
7
SC
4
Q6512
Q6476
VAD+15V
Q6477
VSET REG.
Q6491 Q6492
D6502
IC6521
CPH
VSET
Q6520
FET DRIVER
PHOTO COUPLER
Q6521
CPH
Q6502
1
5
2
7
VSET INSERT
Q6522
4
Q6530
Q6527
CPH
D6503
IC6541
CEL
PHOTO COUPLER
FET DRIVER
Q6542
Q6541
CEL
Q6547
Q6503
1
5
2
7
VSET2 INSERT
4
Q6551
Q6552
CEL
D6504
IC6542
PHOTO COUPLER
FET DRIVER
VAD INSERT
SCSU
Q6504
Q6553
Q6555
1
5
2
4
SCSU
D6458
Vf5 SOS
D6467
Vfo SOS
D6469
VSCAN SOS
D6480
VAD SOS
4
5
FSID
FCLD
FCLKD
PROD
VF5V
Vf
Vf
VSCN
Vfo
VSUS
IC6491
FSIU
VSCN GEN VSET
Q6461
Q6462
FCLU
Q6463
D6417
FCLKU
T6461 IC6456
IC6453
IC6455
PROU
VSCN GEN VSET
15V
5V
Q6451
Q6452
Q6454
Q6455
VF5V
3
1
3
1
T6451 IC6451
D6454
IC6452
Vf
VAD GEN
Q6471
Q6472
Q6474
Q6475
D6474
IC6471
VAD
T6471 IC6472
Vf
VSCN
Vfo
6
7
42WP37
SC44
TO SD44
A1
B1
FSID
A2
B2
FCLD
A3
B3
FCLKD
PROD
A4
B4
A5
B5
VF5V
A6
B6
A7
B7
Vf
A20
B20
TO SD43
SC43
A1
B1
Vf
A10
B10
A11
B11
VSCN
A12
B12
VSCN
A13
B13
Vfo
A20
B20
SC41
TO SU41
FSIU
A20
B20
A19
B19
FCLU
A18
B18
FCLKU
A17
B17
PROU
A16
B16
VF5V
A15
B15
A14
B14
Vf
A1
B1
TO SU42
SC42
A20
B20
Vf
A11 B11
A10
B10
VSCN
A9
B9
VSCN
A8
B8
Vfo
A1
B1
SC-Board Block Diagram
8

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