Sc-Board Block Diagram - Panasonic TH-42PX20U-P Service Manual
High definition plasma television
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Also See for TH-42PX20U-P:
- Operating instructions manual (72 pages) ,
- Service manual (406 pages)
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TH-42PX20U-P
14.66. SC-Board Block Diagram
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-42PX20U-P
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
12
8
Q6604
S3 CML
Q6605
14
1
Q6613
Q6614
Q6608
Q6617
Q6616
IC6581
Q6581
D6583
(RED LED)
D6459
D6468
D6470
D6479
IC6501
D6505
INVERTER
PHOTO COUPLE
CL
FCLD
2
4
1
2
5
6
FCLU
3
4
D6506
FCLKD
13
12
9
8
PHOTO COUPLE
FCLKU
CLK
11
10
2
4
D6507
IC6502
PHOTO COUPLE
INVERTER
SIU
FSIU
2
4
1
2
D6508
PHOTO COUPLE
SID
FSID
2
4
3
4
D6501
PHOTO COUPLE
5
6
CEL2
PROU
2
4
9
8
PROD
11
10
VSCN
IC6511
LOGIC
SC
Q6511
Q6501
2
7
SC
4
Q6512
Q6476, Q6477
VAD+15V
VSET
D6502
IC6521
CPH
Q6520
PHOTO COUPLE
LOGIC
Q6521
CPH
1
4
Q6502
2
7
VSET INSERT
Q6530~
Q6539
Q6523
4
Q6554
CPH
Q6555
CEL
D6503
IC6541
Q6540~
Q6525
Q6549
PHOTO COUPLE
LOGIC
Q6556
Q6526
CEL
Q6557
1
4
Q6503
2
7
4
VSET2 INSERT
Q6551
Q6552
CEL
D6504
IC6542
Q6524
PHOTO COUPLE
LOGIC
Q6562
SCSU
1
4
Q6504
2
4
Q6561
Q6564
VAD
VAD INSERT
SCSU
D6458
Vf5 SOS
VSCAN SOS
D6467
D6469
Vfo SOS
D6480
VAD SOS
128
FSID
FCLD
FCLKD
PROD
VF5V
Vf
Vf
TPVSCN
VSCN
TPSC1
Vfo
IC6452
15V REG
15V
3
1
VSET REG.
TPVSET
Q6491 Q6492
IC6453
IC6491
15V REG
VSUS
3
1
F15V
IC6454
Q6431
T6431
FSIU
Q6432
D6434
5V REG
Q6435 IC6431
FCLU
5V
3
1
FCLKU
IC6455
PROU
VSCN GEN VSET
5V REG
Q6451
Q6452
Q6454
Q6455
VF5V
3
1
T6451 IC6451
D6454
IC6452
Vf
VAD GEN
Q6471
Q6472
Q6474
Q6475
Vf
D6474
IC6471
T6471
IC6472
VSCN
Vfo
TH-42PX20U-P
SC-BOARD BLOCK Diagram
TO SD52
SC44
Vf
A1
B1
Vf
A2 B2
FSID
A3
B3
FCLD
A4
B3
FCLKD
A5
B5
PROD
A6
B6
VF5V
A7
B7
A8
B8
Vf
A20
B20
TO SD51
SC43
A1
B1
Vf
A10
B10
A11
B11
VSCN
A12
B12
VSCN
A13
B13
Vfo
A20
B20
SC41
TO SU51
Vf
Vf
A20 B20
A19 B19
FSIU
A18
B18
FCLU
A17
B17
FCLKU
PROU
A16
B16
A15 B15
VF5V
A14
B14
A13
B13
Vf
A1
B1
TO SU52
SC42
A20
B20
Vf
A11 B11
A10
VSCN
B10
A9
B9
VSCN
A8
B8
Vfo
A1
B1
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