INTERFACE DIAGRAM
3-47
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
MAIN <---> LCD PCB INTERFACE
1
2
1
20
1
1
1
18
1
1
1
12
Ma
Main PCB
CB
STVRD
STVLD
OEVD
CKVD
OEHD
CLKD
STHLD
STHRD
POLD
U/DD
R5D
R4D
R3D
R2D
R1D
R0D
G5D
G4D
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
J701
701
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
J803
803
STVRD
STVLD
OEVD
CKVD
OEHD
CLKD
STHLD
STHRD
POLD
U/DD
R5D
R4D
R3D
R2D
R1D
R0D
G5D
G4D
LCD
Control
signal
LCD
RGBData
signal
GND
G0D
GND
GND
G1D
GND
G2D
G3D
B5D
B4D
B3D
B2D
B1D
B0D
GND
R/L
LED_R
LED_G
IR
K2
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
J702
702
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
J802
802
GND
G0D
GND
GND
G1D
GND
G2D
G3D
B5D
B4D
B3D
B2D
B1D
B0D
GND
R/L
LED_R
LED_G
IR
K2
LCD
RGBData
signal
Key PCB
signal
J703
703
12
11
10
9
8
7
6
5
4
3
2
1
VGH
VGL
VLC
VLC
LED_POWER
LED_POWER
GND
3.3V
3.3V
GND
5VA
LED_B
1
2
3
4
5
6
7
8
9
10
11
12
J801
801
VGH
VGL
VLC
VLC
LED_POWER
LED_POWER
GND
3.3V
3.3V
GND
5VA
LED_B
LCD
GAMMA
signal
Backlight
power
LCD
power
Key PCB
LC
LCD PC
D PCB
1
20
20
1
18
18
1
12
12