Panasonic TH-42PHW6EX Service Manual page 240

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SC
Scan Drive Board
IC6605
BUFFER
TO D20
SC20
IC6604
CSH
18
17
3
BUFFER
CSL
17
11
9
4
6
1
3
CMH
20
15
5
13
11
2
12
CML
19
4
16
5
CEH
14
6
14
CEL
13
8
12
IC6606
BUFFER
CPH
9
2
18
CEL2
8
11
9
17
3
CL
2
13
7
CLK
3
8
12
SIU
4
15
5
SID
6
6
14
SCSU
7
4
16
D6584
SOS1
11
SOS2
12
TH-42PHD6/TH-42PHW6 SC-BOARD Block Diagram
IC6602
FET DRIVER
CSH
D6615
Q6627
Q6621
D6616
12
8
Q6628
Q6622
L6611,12,13
S1
L6614,15,16
IC6603
FET DRIVER
CSL
D6617
Q6629
Q6624
12
8
D6618
Q6630
Q6625
1/2 Vo
IC6601
S2 CMH
FET DRIVER
Q6601
VSUS
Q6611
Q6612
Q6604
12
8
S3 CML
Q6605
14
1
Q6613
Q6614
Q6608
Q6617
Q6616
IC6581
Q6581
D6583
(RED LED)
IC6501
D6505
INVERTER
PHOTO COUPLE
CL
2
4
1
2
D6506
13
12
PHOTO COUPLE
CLK
2
4
D6507
IC6502
INVERTER
PHOTO COUPLE
SIU
FSIU
2
4
1
2
D6508
PHOTO COUPLE
SID
FSID
2
4
3
4
D6501
PHOTO COUPLE
5
6
CEL2
PROU
1
4
9
8
PROD
11
10
IC6511
LOGIC
Q6501
2
7
4
Q6476
VAD+15V
Q6477
D6502
IC6521
LOGIC
PHOTO COUPLE
CPH
Q6502
1
4
2
7
VSET INSERT
4
D6503
IC6541
LOGIC
PHOTO COUPLE
CEL
Q6503
1
4
2
7
VSET2 INSERT
4
D6504
IC6542
PHOTO COUPLE
LOGIC
SCSU
Q6504
1
4
2
4
VAD INSERT
D6559
D6458
Vf5 SOS
D6468
D6467
Vfo SOS
D6470
VSCAN SOS
D6469
D6479
D6480
VAD SOS
FCLD
5
6
FCLU
3
4
FCLKD
9
8
FCLKU
11
10
VSCN
SC
Q6511
SC
IC6452
Q6512
15V REG
3
VSET REG.
VSET
Q6491 Q6492
IC6453
IC6491
15V REG
CPH
Q6520
VSUS
3
Q6521
FISV
Q6554
IC6454
Q6523
Q6431
T6431
Q6555
CPH
Q6432
D6434
5V REG
Q6435 IC6431
CEL
3
Q6525
Q6556
Q6526
Q6557
IC6455
VSCN GEN VSET
5V REG
Q6451
Q6452
Q6551
Q6454
Q6455
3
Q6552
T6451 IC6451
D6454
IC6452
CEL
Q6524
VAD GEN
Q6471
Q6472
Q6562
Q6474
Q6475
Q6561
D6474
IC6471
Q6564
VAD
T6471 IC6472
SCSU
TH-42PHD6/TH-42PHW6 SC-BOARD Block Diagram
SC44
TO SD52
Vf
Vf
A1
B1
FSID
A2 B2
FSID
FCLD
A3
B3
FCLD
FCLKD
A4
B3
FCLKD
PROD
A5
B5
PROD
VF5V
A6
B6
VF5V
A7
B7
A8
B8
Vf
Vf
A20
B20
TO SD51
SC43
A1
B1
Vf
Vf
A10
B10
VSCN
A11
B11
VSCN
A12
B12
VSCN
A13
B13
Vfo
Vfo
A20
B20
15V
1
1
TO SU51
SC41
Vf
A20 B20
Vf
FSIU
FSIU
A19 B19
FCLU
5V
FCLU
A18
B18
1
FCLKU
A17
B17
FCLKU
PROU
A16
B16
PROU
VF5V
A15 B15
VF5V
1
A14
B14
A13
B13
Vf
Vf
A1
B1
TO SU52
SC42
A20
B20
Vf
Vf
A11 B11
VSCN
A10
B10
VSCN
A9
B9
VSCN
A8
B8
Vfo
Vfo
A1
B1

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