Panasonic TH-50PX20U/P, Service Manual

Page: 81 / 186

14.17. TA, TB and H-Board Block Diagram
16
58
MTS
LOUT
SUB Y
COUT1
5
SCL
8
H1
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
IC4202
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
-
T21
13
SDA
JPEG C
S_CLOCK
T22
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
T11
V1
8
2
L1
18
+
Y2
IC4301
Y2
AFC2
R1
L2
5
12
T12
TV1
V2
4
PR1
AV2
VAO
63
S2
59
PB1
R2
66
IC4204
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
IC4302
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
H11
PROUT2
1
10
L1
21
63
YOUT2
Y3
76
DVI PB
H12
V
38
11
11
IN
14
BBE VIVA
OUT
TV1V
PR2
H21
V3
TV2
20
IC4203
SUB
L2
54
DVI L
23
VAO MUTE L
415
DTV2
52
L1
18
H22
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
IC4201
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
IC4205
LOUT
ROUT
SDA2
SCL2
SDA2
SCL2
SDA2
SCL2
Rear AV Terminal,Input Select,Audio Board
Tuner Board
Tuner Board
JK001
TH-50PX20U-P
TA, TB and H-BOARD BLOCK Diagram TH-50PX20U-P
TA, TB and H-BOARD BLOCK Diagram
TH-50PX20U-P
81