Panasonic TC-20LA2 Service Manual page 34

9.3. Signal Block Diagram
JK3001
AV_IN1
C Y
V
L
R
AV_IN2
C Y
V
L
R
JK3004
WHITE
COMPONENT
RED
Y-SW
Y
JK3002A Y-G
PB
COMPONENT PB
PB-G
PR
PR
PR-G
TU001
TUNER
SCL
10
SDA
11
AFT
12
AUDIO OUT
13
VIDEO OUT
17
TC-20LA2/2D
Signal Block Diagram
A-BOARD
C
Y
C-G
Y-G
SW
G
V-SW
V
V-G
L
L-G
R-SW
R
R-G
C
Y
C-G
Y-G
SW
G
V-SW
V
V-G
L
L-G
R-SW
R
R-G
L
R
Y
IC2201
MTS
LOUT 21
14 MPX IN
22
ROUT
SCL 18
SDA 19
Q001
TA-BOARD
IC3001
AV SW
6
C
8
Y
L 49
42 S2-1 AV AUDIO
IN1 OUT
2 V
51
R
4
L
5 R
12 C
14 Y
44 AV
S2-1
IN2
10 V SY OUT 52
9 L
11
R
PR
19 SW
PR OUT 64
PB
56
PB OUT
27
L
V/Y
29 R V OUT 54
25 SW
COMPONENT
26
Y
SDA1-5
28 PB
SDA1 61
30 PR
SCL1-5
SCL1 59
21 TV1L DC OUT 53
22 TV1R
TV
24 TV1V
IC1011
SWITCHING
L
6 5
3
R
2 1
7
TA1 A1
2 AFT OUT 2
4 TV L 4
6 TV R 6
SCL1-5
8 SCL1 8
SDA1-5
SDA1
9 9
TA2 A2
2 TV V 2
IC2001
AUDIO AMP
6 OUT1+ 2
IN1
OUT1-
8 IN2
OUT2-
9 VOL
OUT2+
Q2009
Q2010
Q2002
Q2004
IC1003
STB 3.3V
RESET
STB 5V
5 4
Q1013
Q1005,Q1007
Q4014,Q4019,Q4027
Q4015,Q4020,Q4025
Q3001,Q3006,Q3008 Q4016,Q4021,Q4024
4
10
12
IC100
MCU
5 RESET
6 STOP MODE
72 REMOTE
13 GC RESET
M
SCL1-5
16 SCL1
SDA1-5
17 SDA1
SCL0 18
SCL0
SDA0
19 SDA0
PAN
49 A VOL
38 CC IN
66 A MUTE
SCL2 70 SCL2
71
SDA2 SDA2
SCL3 78 SCL3
SDA3 80 SDA3
57 AGC ADJ
LCD
IC
33 N
C/Pb
42
V
Pr
49 V
V/Y
56 V
SDA2 26 S
SCL2 25 S
19