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TH-37PHD8GK / TH-37PHD8GS / TH-37PHD8UK / TH-42PHD8GK / TH-42PHD8GS / TH-42PHD8UK
16.64. SC-Board Block Diagram (42inch)
SC
Scan Drive Board
TO P2
SC2
TPVSUS
V SUS
1
V SUS
IC6604
V SUS
2
4
IC6605
6
5
BUFFER
TO D20
SC20
CSH
18
17
3
CSL
17
11
9
IC6604
CMH
20
15
5
1
3
CML
19
4
16
2
CEH
14
6
14
CEL
13
8
12
IC6606
IC6604
BUFFER
CPH
9
2
18
13
11
12
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
5V
5V
1
SOS1
11
SOS2
12
+15V
TO P23
SC23
1
+15V
TP15V
+15V
2
TH-42PHD8GK/GS/UK
SC-Board Block Diagram
VSUS
(2/3)
IC6602
L6611
D6608
FET DRIVER
L6612
D6609
CSH
L6613
Q6627
Q6634
12
8
Q6628
S1
IC6603
L6615
FET DRIVER
D6619
L6616
CSL
D6620
L6617
Q6629
Q6649
12
8
(1/3)
Q6630
1/2 Vo
VSUS
IC6601
S2 CMH
FET DRIVER
Q6601,Q6602
Q6608
Q6609
Q6603,D6604
12
8
S3 CML
Q6611,Q6612
14
1
Q6619
Q6620
Q6613,D6614
(3/3)
CEL
Q6640
SCSU
Q6639
SCAN DRIVER 2
D6583
SOS BLINKING TIMES:
(GREEN LED)
LED 7 TIMES
SOS DET
D6584
IC6581
Q6581
SCAN DRIVER 1
SOS BLINKING TIMES:
LED 2 TIMES
IC6500
PC6505
INVERTER
PHOTO COUPLER
CL
FCLD
2
7
1
2
5
6
CLK
FCLU
3
6
3
4
FCLKD
13
12
9
8
FCLKU
11
10
PC6507
IC6509
INVERTER
PHOTO COUPLER
SIU
FSIU
2
7
1
2
SID
3
6
FSID
3
4
PC6501
CEL2
PHOTO COUPLER
5
6
CEL2
PROU
1
4
9
8
PROD
11
10
IC6511
FET DRIVER
SC
Q6511
Ho
7
Q6501
2
Vs
6
SC
Lo
4
Q6512
Q6476, Q6477
VAD+15V
VSET INSERT
CPH
Q6520,Q6521
PC6502
IC6521
VR6523
PHOTO COUPLER
FET DRIVER
CPH
Q6502
Ho
1
4
2
7
Q6505
Lo
4
Q6523
CPH
CEL
PC6503
IC6541
IC6544
Q6525
PHOTO COUPLER
FET DRIVER
FET DRIVER
Q6526
CEL
1
7
Q6503
2
Ho
7
2
Ho
7
SCSU
Lo
Vs
4
6
4
6
VSET2 INSERT
Q6551,VR6557,Q6552
INIT-F
IC6542
Q6524
FET DRIVER
Q6582
Q6504
2
Lo
4
Q6586
VAD INSERT
D6557
D6459
PC6458
D6468
VSCAN SOS
PC6467
5V
+15V
D6470
PC6469
1
OUT
IN
3
D6479
IC6512
PC6480
VAD SOS
PC6501,PC6505,PC6507
(-90V)
AVR 5V
PC6502
158
VSCN
TPVSET
TPSC1
Vf
VSUS
VSET REG.
VSET
Q6491,Q6492,IC6491
F15V
IC6453
Q6431
+15V
Q6432
AVR 9V
Q6435
9V
Q6530~
3
IN
OUT
1
T6431
Q6540
PC6434
IC6431
Q6560~
Q6568
VSCN GEN
TPVSCN
Q6451
IC6451
Q6455 IC6452
+15V
Q6471
Q6472
TPVAD
Q6475
PC6474
VAD GEN,VSET2
T6471
Q6474,VR6477
Q6583
IC6471,IC6472
VAD
SCSU
TPVSET2
Q6554
VSCN/VAD
Vscn-Vad<14V:ON
SOS PROTECTOR
IC6454
IC6455
5V
AVR 5V
AVR 5V
1
OUT
IN
3
3
IN
OUT
1
TH-42PHD8GK/GS/UK
SC-Board Block Diagram
TO
SC46
SD46
10
Vf5
9
Vf5
8
PROD
Vf
7
6
FCLKD
5
Vf
4
FCLD
3
Vf
2
FSID
1
Vf
TO
SD42
SC42
Vf
A1
B1
Vf
FSID
A2 B2
FSID
FCLD
A3
B3
FCLD
FCLKD
A4
B4
FCLKD
PROD
PROD
A5
B5
VF5V
A6
B6
VF5V
A7
B7
A8
B8
Vf
Vf
A30
B30
VSCN
A31
B31
VSCN
A32
B32
VSCN
A33
B33
Vfo
Vfo
A40
B40
TO
SU41
SC41
Vf
A40 B40
Vf
FSIU
A39 B39
FSIU
FCLU
A38
B38
FCLU
FCLKU
A37
B37
FCLKU
PROU
A36
B36
PROU
VF5V
A35 B35
VF5V
A34
B34
A33
B33
Vf
Vf
A11
B11
VSCN
A10
B10
VSCN
A9
B9
VSCN
A8
B8
Vfo
Vfo
A1
B1
TO
SU45
SC45
1
Vf
FSIU
2
Vf
3
4
FCLU
5
Vf
FCLKU
6
7
Vf
8
PROU
Vf5
9
10
Vf5
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