13.87. SC-Board Block Diagram (37inch)
5V
+15V
5V
+15V
5V
+15V
PHOTO COUPLER
Q6608
3
5
4
6
9
8
11
10
1
2
13
12
FCLD
FCLU
FCLKD
FCLKU
PHOTO COUPLER
1
2
3
4
PC6520
PC6522
8
9
11
10
PHOTO COUPLER
PC6516
FSIU
FSID
PROU
PROD
12
8
14
1
12
8
12
8
Q6609
Q6619
Q6601,Q6602
Q6603,D6610
9
4
16
6
14
17
3
11
IC6534
FET DRIVER
FET DRIVER
IC6533
19
14
18
17
2
7
13
6
18
14
4
16
15
8
5
12
IC6524
INVERTER
INVERTER
IC6515
2
4
7
IC6525
Q6776,Q6777
Q6511
Q6512
7
2
4
IC6527
IC6528
2
7
4
VAD+15V
Q6560~
Q6566
PHOTO COUPLER
PC6517
PHOTO COUPLER
PC6518
IC6529
7
3
6
1
4
1
4
1
7
2
Q6582
VSCN
Q6620
S2 CMH
S3 CML
CSL
CSH
1/2 Vo
A1
A3
A4
A5
B4
B5
B1
B3
A7
A6
B7
B6
A30
A8
B30
B8
B31
A31
B32
A32
B33
A33
B40
A40
B38
A34
B11
B37
A11
A38
A37
B34
A33
A36
B33
A39 B39
B36
B8
B1
A1
A8
B10
A10
B9
A9
Vf
FCLD
FCLKD
PROD
VF5V
Vf
VSCN
Q6774,VR6503
IC6510,IC6511
Q6764
IC6503
IC6502
SCSU
VAD INSERT
VAD
VSET2 INSERT
CEL
VSET INSERT
CPH
VAD GEN,VSET2
VSCN GEN
Q6791,Q6792,IC6514
VSET REG.
SC20
9
11
2
4
8
11
IC6537
BUFFER
IC6538
BUFFER
3
6
9
7
CSH
CSL
CML
CEH
SOS1
CEL2
CL
CLK
SIU
SID
CPH
SCSU
Q6581
IC6532
PC6507
PC6508
PC6509
PC6513
VSCAN SOS
D6515
D6522
D6523
D6531
D6584
Vfo
FSIU
FCLU
FCLKU
PROU
VF5V
Vf
Vfo
Vf
FCLD
FCLKD
PROD
VF5V
Vf
Vfo
Vf
Vfo
FCLKU
FSIU
VF5V
PROU
FCLU
VSCN
VSCN
VSCN
VSCN
VSCN
Scan Drive Board
SC
SC42
SC41
SD42
SU41
D6581
(GREEN LED)
SC
SC
CPH
4
T6500
Q6761
PC6501
Q6765
Q6768
IC6500
Q6501
6
5
Q6502
Q6503
Q6504
SOS2
12
15
5
20
CMH
8
12
13
CEL
Q6640
Q6639
CLK
SIU
SID
CL
CEL2
CPH
CEL
SCSU
IC6535
FET DRIVER
3
17
Q6628
Q6627
Q6630
Q6629
Q6635
D6607
D6595
S1
FSID
A2 B2
FSID
Vf
A40 B40
A35 B35
Vf
Q6583
Q6525
Q6526
Q6524
SC2
1
V SUS
V SUS
2
V SUS
TO P2
TO D20
D6593
Q6649
D6605
SOS DET
Q6522
6
Q6586
IC6531
7
6
2
Q6762
Q6772
PC6512
Q6775
Q6771
+15V
T6501
FSID
SD46
TO
SC46
2
FCLD
4
3
FCLKD
5
6
PROD
8
7
9
4
9
5
2
SC45
3
8
SU45
TO
6
7
Vf5
FSIU
FCLU
FCLKU
PROU
Vf5
TO
TO
Vf
Vf
Vf
Vf
Vf
Vf
Vf5
FET DRIVER
FET DRIVER
FET DRIVER
FET DRIVER
FET DRIVER
TPVSUS
1
5V
SC23
1
+15V
2
TO P23
+15V
TP15V
IC6536
4
5
6
(2/3)
CEL
SCSU
IC6536
12
(3/3)
11
13
IC6536
2
(1/3)
3
1
L6508
L6509
L6513
L6512
VSUS
Q6611,Q6612
Q6613,D6615
VSUS
SCAN DRIVER
SOS BLINKING TIMES:
LED 6 TIMES
SOS BLINKING TIMES:
SCAN DRIVER
LED 7 TIMES
6
4
D6596
VSCN/VAD
SOS PROTECTOR
Vscn-Vad<14V:ON
VAD SOS
(-90V)
IC6526
OUT
IN
3
1
AVR 5V
PC6517
PC6520,PC6522,PC6516
Lo
IC6505
OUT
IN
1
AVR 5V
IC6504
IN
OUT
1
3
AVR 5V
3
Ho
Lo
Q6551,VR6505,Q6552
INIT-F
TPVAD
TPVSCN
TPVSET2
Lo
Ho
Q6520,Q6521
VR6504
Q6523
Vs
Ho
VSET
VSUS
2
2
7
3
6
CEL2
Ho
Vs
Lo
Vf
OUT
1
AVR 9V
3
IN
IC6506
9V
F15V
TPVSET
TPSC1
TPSOS1
TPSOS2
Q6527
Q6530~
Q6539
1
Vf5
1
TH-37PX50U
SC-Board Block Diagram
TH-37PX50U
SC-Board Block Diagram
TH-37PX50U / TH-42PX50U / TH-50PX50U
195
Summary of Contents for TH-42PX50U
Page 24: ...7 Location of Lead Wiring 7 1 Lead of Wiring 1 TH 37PX50U 24 TH 37PX50U TH 42PX50U TH 50PX50U ...
Page 25: ...7 2 Lead of Wiring 2 TH 37PX50U 25 TH 37PX50U TH 42PX50U TH 50PX50U ...
Page 26: ...7 3 Lead of Wiring 3 TH 42PX50U 26 TH 37PX50U TH 42PX50U TH 50PX50U ...
Page 27: ...7 4 Lead of Wiring 4 TH 42PX50U 27 TH 37PX50U TH 42PX50U TH 50PX50U ...
Page 28: ...7 5 Lead of Wiring 5 TH 50PX50U 28 TH 37PX50U TH 42PX50U TH 50PX50U ...
Page 29: ...7 6 Lead of Wiring 6 TH 50PX50U 29 TH 37PX50U TH 42PX50U TH 50PX50U ...
Page 30: ...7 7 Lead of Wiring 7 30 TH 37PX50U TH 42PX50U TH 50PX50U ...
Page 31: ...7 8 Lead of Wiring 8 TH 37PX50U 31 TH 37PX50U TH 42PX50U TH 50PX50U ...
Page 32: ...7 9 Lead of Wiring 9 TH 42PX50U 32 TH 37PX50U TH 42PX50U TH 50PX50U ...
Page 33: ...7 10 Lead of Wiring 10 TH 50PX50U 33 TH 37PX50U TH 42PX50U TH 50PX50U ...
Page 37: ...8 4 No Picture 37 TH 37PX50U TH 42PX50U TH 50PX50U ...
Page 40: ...9 4 Option 40 TH 37PX50U TH 42PX50U TH 50PX50U ...
Page 44: ...10 4 Adjustment Volume Location 44 TH 37PX50U TH 42PX50U TH 50PX50U ...
Page 45: ...10 5 Test Point Location 45 TH 37PX50U TH 42PX50U TH 50PX50U ...
Page 108: ...TH 37PX50U TH 42PX50U TH 50PX50U 108 ...
Page 228: ...14 2 Pcaking Exploded Views 1 228 TH 37PX50U TH 42PX50U TH 50PX50U ...
Page 229: ...14 3 Pcaking Exploded Views 2 229 TH 37PX50U TH 42PX50U TH 50PX50U ...
Page 230: ...14 4 Pcaking Exploded Views 3 230 TH 37PX50U TH 42PX50U TH 50PX50U ...