Illumination Sensor On/Off Trouble - LG -P940 Service Manual

4.21 Illumination Sensor on/off trouble

Illumination Sensor is worked as below:
Menu Key click -> Settings click -> Display click -> Brightness click -> Automatic brightness click
Change the vt_cam fpcb
No
LGE Internal Use Only
START
Menu key click
-> Settings click
-> Display click
-> Brightness click
-> Automatic brightness click
Hide Illumination sensor by hand
LCD brightness change?
No
Check Sensor_3.0V(TP1)
Output work well?
No
Change the main board
Function is OK?
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4. TROUBLE SHOOTING
Yes
END
Yes
END
Yes
END
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