3. 13 Touch troubleshooting
Touch control signals are generated by MT6582. Those signal's path are :
MT6582 ->Touch Module
Change the Touch module
LGE Internal Use Only
Start
Check the touch connector
&Bto B connector (CN7101)
Reconnect the touch connector
&Bto B connector (CN7101)
Touch is OK?
No
Check +3V0_TOUCH_VDD
(TP1)&Touch_RESET (TP2) & INT (TP3)
& I2C (TP4) output
Output work well?
No
Change the main board
Function is OK?
- 76 -
3. TROUBLE SHOOTING
Yes
END
Yes
END
Yes
END
Copyright © 2014 LG Electronics. Inc. All right reserved.
Only for training and service purposes