3. TROUBLE SHOOTING
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3.13 Touch troubleshooting
Touch control signals are generated by MSM8226. Those signal’s path are :
MSM8226 ->Touch Module
No
No
No
Reconnect the touch connector
&Bto B connector (CN7200)
Check VREG_L28_2V95(TP1)
&Touch_RESET(TP2)
&I2C_SDA(TP3)_SCL(TP4) output
Change the main board
Change the Touch module
END
END
END
Output work well?
Function is OK?
Touch is OK?
Yes
Yes
Yes
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