TPVSCN
TPSC1
TPVSET
PHOTO COUPLE
Q6611
3
5
4
6
9
8
11
10
1
2
13
12
FCLD
FCLU
FCLKD
FCLKU
PHOTO COUPLE
PHOTO COUPLE
2
PHOTO COUPLE
4
1
2
3
4
D6505
D6506
D6507
D6508
8
9
11
10
PHOTO COUPLE
D6501
FSIU
FSID
PROU
PROD
12
8
14
1
12
8
12
8
Q6612
Q6613
Q6601
Q6608
Q6604
Q6605
9
4
16
6
14
17
3
11
FET DRIVER
FET DRIVER
19
14
18
17
2
7
13
6
18
14
4
16
15
8
5
12
INVERTER
INVERTER
2
4
7
LOGIC
Q6476, Q6477
Q6511
Q6512
7
2
4
LOGIC
LOGIC
2
7
4
VAD+15V
Q6523
Q6521
Q6520
Q6530~
Q6539
Q6540~
Q6549
PHOTO COUPLE
D6502
PHOTO COUPLE
D6503
Q6551
Q6552
D6504
PHOTO COUPLE
2
4
2
4
2
4
2
4
1
4
1
4
1
4
2
LOGIC
Q6561
VSCN
Q6614
S2 CMH
S3 CML
CSL
CSH
1/2 Vo
VSUS
A1
A3
A4
A5
B3
B5
B1
B3
A7
A6
B7
B6
A8
A20
B8
B20
A10
A1
B10
B1
B11
A11
B12
A12
B13
A13
B20
A20
B18
A14
B1
B17
A1
A18
A17
B14
A13
A16
B13
A19 B19
B16
B8
B1
A1
A8
B20
A20
A11 B11
B10
A10
B9
A9
Vf
FCLD
FCLKD
PROD
VF5V
Vf
Vf
VSCN
D6454
Q6452
Q6451
Q6455
Q6454
T6451
5V REG
3
1
5V REG
3
1
Q6474
D6474
Q6475
Q6472
Q6471
SCSU
VAD INSERT
VAD
VSET2 INSERT
CEL
VSET INSERT
CPH
VSCN GEN VSET
VAD GEN
Q6491 Q6492
VSET REG.
VSUS
9
11
L6611,12,13
L6614,15,16
2
4
8
11
BUFFER
BUFFER
3
6
9
7
CSH
CSL
CML
CEH
SOS1
CEL2
CL
CLK
SIU
SID
CPH
SCSU
Q6581
D6458
D6467
D6469
D6480
Vf5 SOS
Vfo SOS
VSCAN SOS
VAD SOS
D6459
D6468
D6470
D6479
D6584
Vfo
FSIU
FCLU
FCLKU
PROU
VF5V
Vf
Vf
Vfo
Vf
FCLD
FCLKD
PROD
VF5V
Vf
Vf
Vfo
Vf
Vf
Vfo
FCLKU
FSIU
VF5V
PROU
FCLU
VSCN
VSCN
VSCN
VSCN
VSCN
Scan Drive Board
SC
TO SD52
TO SD51
TO SU51
TO SU52
TO D20
D6583
(RED LED)
SC
SC
CPH
CEL
4
VSET
T6431
Q6431
D6434
Q6432
Q6435 IC6431
F15V
T6471
Q6501
6
5
Q6502
Q6503
Q6504
SOS2
12
15
5
20
CMH
8
12
13
CEL
Q6617
Q6616
CLK
SIU
SID
CL
CEL2
CPH
CEL
SCSU
3
4
6
1
13
11
2
12
5
FET DRIVER
3
17
Q6628
Q6627
Q6630
Q6629
Q6622
Q6621
Q6625
Q6624
BUFFER
D6618
D6617
D6616
D6615
S1
FSID
A2 B2
FSID
Vf
A20 B20
A15 B15
Vf
Q6562
Q6564
Q6525
Q6526
15V REG
3
1
15V REG
3
1
15V
Q6524
5V
Q6557
Q6556
Q6554
Q6555
TH-42PX20U-P
SC-BOARD BLOCK Diagram
TH-42PX20U-P
SC-BOARD BLOCK Diagram
Summary of Contents for TH-42PX20U/P Operating
Page 9: ...6 2 Lead of Wiring 2 9 ...
Page 10: ...6 3 Lead of Wiring 3 10 ...
Page 11: ...6 4 Lead of Wiring 4 11 ...
Page 12: ...6 5 Lead of Wiring 5 12 ...
Page 34: ...15 2 Parts Location 2 34 ...
Page 35: ...15 3 Parts Location 3 35 ...
Page 36: ...36 ...
Page 37: ...15 4 Parts Location 4 15 5 Parts Location 5 37 ...
Page 38: ...38 ...
Page 42: ...17 2 Electrical Replacement Parts List 42 ...
Page 54: ...D12 K1KA07A00189 7P CONNECTOR 1 54 ...
Page 348: ...1 Applicable signals 4 TH 42PX20U P ...
Page 353: ...6 Location of Lead Wiring 6 1 Lead of Wiring 1 9 TH 42PX20U P ...
Page 354: ...6 2 Lead of Wiring 2 10 TH 42PX20U P ...
Page 355: ...6 3 Lead of Wiring 3 11 TH 42PX20U P ...
Page 356: ...6 4 Lead of Wiring 4 12 TH 42PX20U P ...
Page 357: ...6 5 Lead of Wiring 5 13 TH 42PX20U P ...
Page 358: ...6 6 Lead of Wiring 6 14 TH 42PX20U P ...
Page 367: ...9 4 IIC mode structure following items value is sample data 23 TH 42PX20U P ...
Page 376: ...32 TH 42PX20U P ...