Panasonic TH-70LF50ER Service Manual page 22

Block Diagram (2/3)
V1-BOARD
IR
V11
3.3V
1
BACKLIGHT
2
GREEN
4
RED
5
IR
6
8 STBY5V
HX-BOARD
AU_LINE_OUT_L
L Y
AU_LINE_OUT_R
PB
R
COMPONENT_L
L1
Y
CVBS_L
PB
L2
COMPONENT_R
R1 PR
CVBS_R
R2 L
L
PC_DVI_L
PC_DVI_R
R
CTS
8
DSR
6
DTR
4
TXD
3
RXD
2
DSR
6
DTR
4
TXD
3
RXD
2
RM1501
OUT
STBY5V
VCC
3.3V
3
VCC
SN1501
BACKLIGHT
1
OUT
RED
D1501
GREEN
STB5V
IC3503
19,20
9 15
RIN2 ROUT1
8
DOUT2 13
DIN1
17 12
DIN2
DOUT1
10
16
RIN1 ROUT1
IC3504
15
ROUT1
STB5V
STB5V
19,20
8
DOUT2
13
DIN1
9
RIN2
12
16 DIN2
RIN1
10
17
ROUT1
DOUT1
V2-BOARD
V22
KEY_IN
1
STBY5V
5
TO V11
BACKLIGHT
AU_LINE_OUT_L
AU_LINE_OUT_R
COMPONENT_L
COMPONENT_R
PC_DVI_L
PC_DVI_R
5
1
IC3502
4 2
22
KEY CONTROL
SW1552 SW1553 SW1554
SW1555 SW1556
SW1551
HX8
4
GREEN
2
RED
1
15
14
12
CVBS_L
9
11
CVBS_R
8
6
5
3
HX7
STB5V
10
3.3V
9
IR
8
GPI04
1
GPI03
2
RXD
7
TXD
6
GPI01
4
GPI02
3