LG D690 - Touch Troubleshooting

3. TROUBLE SHOOTING
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3. 13 Touch troubleshooting
Touch control signals are generated by MT6582. Those signal’s path are :
MT6582 ->Touch Module
Start
Check the touch connector
&Bto B connector (CN7101)
Reconnect the touch connector
&Bto B connector (CN7101)
Check +3V0_TOUCH_VDD
(TP1)&Touch_RESET (TP2) & INT (TP3)
& I2C (TP4) output
Change the main board
Touch is OK?
Function is OK?
Output work well?
END
END
END
Change the Touch module
No
No
Yes
Yes
Yes