4. TROUBLE SHOOTING
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4.24 Touch trouble
Touch control signals are generated by AP30. Those signal’s path are :
AP30 -> Touch Module
No
START
Yes
Touch is OK?
END
Check The touch connector
and reconnect the Touch connector
Check power
3.0V Touch(TP1)
1.8V Touch(TP2)
Work well?
Change the mina board
Change the mina board
Change the Touch module
Yes
Yes
No
No
Measurement
3.0V TOUCH (TP1)
1.8V TOUCH (TP2)