Panasonic TX-22LX2 Service Manual page 19

1
2
3
IC2100
SP AMP
4
IN1
SP-LCH
IN1
6
SP-RCH
IN2
8 IN2
5 Q2100 9
VOL
MUTE
IC2200
HP AMP
6
IN2
HP-LCH
IN2
4
HP-RCH
IN1
2
IN1
Q2201
10
MT/SW
MUTE
STB5V
7
8
TX-22LX2
Signal Block Diagram
SPEAKER
R
SPEAKER
L
A-BOARD
LOUT+
2
OUT1+
LOUT-
4
OUT1-
ROUT+
OUT2+ 12
ROUT-
10
OUT2-
HP_LCH
OUT2 7
HP_RCH
OUT1 9
D2008
Q2010
Q2008
D2003
A7
R+
R+
4
R- R-
3
L+ L-
STB3.3V
2
L+
L-
1
HP_LCH
HP_RCH
Q3019
MUTE
Q2202
MUTE
Q2200
AFC
Q2006
AV2_QLINK
AV1_QLINK
Q2007 Q2009
AV1_FB
RED
GREEN
BLUE
A5 V1
5 5
LED R
2 2
REMOTE
4 4
STBY3.3V
7 7
L-CH(HP)
9 9
R-CH(HP)
A1 DG1
31 20
REMOTE
32 LED 19
29 KEY SCAN 22
V/Y
45 6
Y/V
C/PB
47 C/PB 4
39 12
SDA1(5V) SDA1
SCL1(5V) 38 13
SCL1
43 8
MUTE
42 RES_Q 9
41 AFC 10
A2 DG2
3
3 QLINK(AV2)
1
1 QLINK(AV1)
6
6
FB
8 SCART_R 8
10 SCART_G 10
12 12
SCART B
V-BOAR
D20
Q201
STA
REMOTE
LED_R
KEY_SCAN
Y/V
C/PB
SDA1(5V)
SCL1(5V)
MUTE
RES_Q
AFC
35