3. TROUBLE SHOOTING
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Only for training and service purposes
LGE Internal Use Only
3.13 Touch
Touch control signals are generated by touch sensor.
Those signal’s path are touch sensor -> MSM8230\
START
Reconnect Touch Module CN6001
End
Change the touch module.
Touch Woks OK?
Check I2C Line
(ZD6000, ZD6001) TP3 OK?
Touch Woks OK ?
Touch Woks OK ?
Check
+3.0V_L8_TOUCH (C6000) TP1
+1.8V_LDO_TOUCH (C6001) TP2
No
No
No
No
Yes
Yes
Change Main Board or
MAX11871(U6001)
Change PM8038 (U5000) or
LDO(U6005)
Yes
Yes