Table of Contents
Advertisement
3.12 Display
LCD module is connected to Main PCB with 24-pin connector.
The LCD is controlled by MIPI Interface in OMAP4430
DSI2_LCD_MIPI_D0_N
P1
1
DSI2_LCD_MIPI_D0_P
P2
2
FL901
DSI2_LCD_MIPI_CLK_N
P1
1
DSI2_LCD_MIPI_CLK_P
P2
2
FL902
DSI2_LCD_MIPI_D1_N
DSI2_LCD_MIPI_D1_P
No.
Symbol
1
GND
MDN0
3
MDP0
4
GND
5
MDN1
6
MDP1
7
GND
8
CLKN
9
CLKP
10
GND
11
LED_C1
1
LED_A
13
GND
14
LED_PWM
15
FSTNC
LGE Internal Use Only
P3
3
P4
4
P3
3
P4
4
P1
P3
1
3
P2
P4
2
4
FL903
LED_C
LED_A
Figure. Schematic of LCD connector (Main Board)
Figure. Schematic of LCD connector (Main Board)
I/O
Description
I
Ground(OV)
I/O
MIPI Data0-
I/O
MIPI Data0-
I
MIPI Ground(OV)
I
MIPI Data1-
I
MIPI Data1+
I
MIPI Ground(OV)
I
MIPI CLK-
I
MIPI CLK+
I
MIPI Ground(OV)
O
LED_Cathode
I
LED_Anode
I
Ground(OV)
O
Table. Interface between LCD Module and MAIN Board
O
CN901
1
24
2
23
3
22
4
21
5
20
6
19
7
18
8
17
9
16
R906
10
10
15
11
14
12
13
VA901
VA902
No.
Symbol
16
IOVCC
17
LED_RESET
18
VPP
19
GND
0
IOVCC
1
VCC
GND
3
VCI
4
GND
- 6 -
Copyright © 011 LG Electronics. Inc. All right reserved.
3. TECHNICAL BRIEF
VCC_LCD_2V8
VCC_LCD_2V8
IOVCC_LCD_1V8
C906
C907
2.2u
2.2u
LCD_RESET_N
LCD_MAKER_ID
LCD_VSYNC
LCD_PWM
VA903
I/O
Description
I
Maker ID(IOVCC)
I
I
I
Ground(OV)
I
Power for Interface(1.8V)
I
I
Ground(OV)
Power for anaiog
I
circuit(.8v)
I
Ground(OV)
Only for training and service purposes
C908
2.2u
Advertisement
Table of Contents
Troubleshooting
