Touch Trouble - LG -E960 Service Manual

4.13 Touch trouble

Touch control signals are generated by APQ8064. Those signal's path are :
APQ8064 -> Touch Module
Change the Touch module
LGE Internal Use Only
START
Check the touch connector
&Bto B connector (CN6004)
Reconnect the touch connector
&Bto B connector (CN6004)
Touch is OK?
No
Check VREG_L15_3.3V(TP1)
& Touch_INT_N(TP2)
&I2C_SDA(TP3)_SCL(TP4) output
Output work well?
No
Change the main board
Function is OK?
- 139 -
4. TROUBLE SHOOTING
Yes
END
Yes
END
Yes
END
Copyright © 2012 LG Electronics. Inc. All right reserved.
Only for training and service purposes