16
58
MTS
LOUT
SUB Y
COUT1
5
SCL
8
AFC1
SUB PB
VIDEO
56
23
18
ROUT1
MAIN Y
Y
ROUT
SDA
TO DG1
LOUT1
AFC1
11
AFC2
VYOUT1
H
10
H
37
SWITCH
L
39
L
SCL2
COUT2
PROHIBIT
S_CLOCK
VYOUT2
GEQ ON
SD
L AMP
5
53
18
THROUGH
IN
Q4206
8
VOUT
PROHIBIT
SD Y
R AMP
33
5
3
TNR251
Q4205
12
2nd TUNER
SCL
5
L
6
34
SD C
-
13
SDA
JPEG C
S_CLOCK
V1
3
TNR201
L1
3
JPEG Y
16
1
R1
15
9
111
SDA2
+
19
S_DATA
S1
4
19
Q4303
R
AV1
C1
1st TUNER
8
21
MONITOR
-
L
1
Y1
1
VIDEO OUT
17
TV2V
7
7
IN
V1
8
2
L1
18
+
Y2
Y2
AFC2
R1
L2
5
12
TV1
V2
4
PR1
AV2
VAO
63
S2
59
PB1
R2
66
7
R2
46
61
Y1
IN
S_DATA
7
64
C2
41
26
PB2
S2
AUDIO
67
L2
YOUT1
OUT
R2
TB
C2
57
SUB
8
MAIN
ROUT1
PR2
3
Y2
59
OUT
MAIN
Y2
S1
V2
YPbPr SELECT
1
OUT
OUT
L2
C1
3
9
MONI.
43
79
28
L3
VY2
4
PBOUT1
R1
7
24
8
L1
7
DTV1
40
VIDEO
Y1
AV3
R1
PR1
44
25
C2
7
7
R3
IN
LOUT1
8
IN
C1
IN
Y1
TA
PROUT1
R
VY1
S3
75
1
INPUT SELECT
36
IN
7
12
PB1
R1
35
MAIN
7
C3
74
V
IN
PBOUT2
14
78
60
SUB
PROUT2
1
10
L1
21
63
YOUT2
Y3
76
DVI PB
V
38
11
11
IN
14
BBE VIVA
OUT
TV1V
PR2
V3
TV2
20
SUB
L2
54
DVI L
23
VAO MUTE L
415
DTV2
52
L1
18
Q4203
109
9
22
DVI
VAO MUTE R
IN
210
DVI PR
PB2
Q4202
310
IN
R2
4
309
DVI Y
5
BBE
409
16
H
27
408
DVI R
BBE
116
316
EQUALIZER
OUT
217
L IN
417
9
107
12
L
R
PROG
LOUT
V
7
307
PB1
ROUT
407
Y1
14
PR1
R IN
L
TONE L
R1
405
V
5
L1
206
TONE R
COMPONENT1
306
26
IN
204
14
C
AUX0
L2
IN
304
18
R2
S3
18
C
17
PR2
Y3
Y
MPX IN
AUX1
COMPONENT2
V3
IN
Q4201
VIDEO2
PB2
C3
VIDEO1
Q4204
IN
211
L3
JK002
AUX0
Y2
R3
AUDIO L
SDA2
V
AUX1
DVI Y
JK003
AUDIO R
R
L
DVI R
JK004
103
L
L
SCL2
DVI PB
21
303
R
H
DVI L
22
VAO MUTE
H
DVI PR
AFC1
L OUT
104
SUB PR
R OUT
L IN
16
MPX IN
1
AFC2
MAIN PB
14
30
MAIN PR
R IN
LOUT
ROUT
SDA2
SCL2
SDA2
SCL2
SDA2
SCL2
Rear AV Terminal,Input Select,Audio Board
Tuner Board
Tuner Board
JK001
TH-42PX20U-P
TA, TB and H-BOARD BLOCK Diagram
TH-42PX20U-P
TA, TB and H-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 ...