Touch Module - LG -P970 Service Manual

3.22 Touch Module

Touch module is connected to Main PCB with 10-pin connector.
The Touch module is controlled by I2C Interface in OMAP3630
TOUCH_INT_N
I2C2_TOUCH_SDA
I2C2_TOUCH_SCL
Pin No.
1
2
3
4
5
6
7
8
9
10
LGE Internal Use Only
1.8V_TOUCH
Figure. Schematic of Touch connector (Main Board)
Signal
1.8V TOUCH
NC
GND
GND
GND
I2C2_TOUCH_SCL
GND
I2C2_TOUCH_SDA
3.0V TOUCH
TOUCH_INT_N
Table. Interface between Touch Module and MAIN Board
3.0V_TOUCH
10
9
8
7
6
Description
Power Supply for Interface I/O
I2C Clock
Power Supply for Driver IC
Interrupt
- 10 - Copyright © 011 LG Electronics. Inc. All right reserved.
3. TECHNICAL BRIEF
1.8V_TOUCH
CN701
1
2
3
4
5
-
-
-
-
-
I2C Data
Only for training and service purposes