3. TROUBLE SHOOTING
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Only for training and service purposes
LGE Internal Use Only
3.16.2 Ambient light sensor
START
Menu key click
Settings click
Display click
Brightness click
Automatic brightness click
Hide Ambient light sensor by hand
Check a rubber cap.
End
Change the main board
End
End
Function is OK?
LCD brightness change?
Output work well?
No
No
No
Yes
Yes
Yes
Check +3V0_VREG_L17(TP1)
Change the Sensor FPCB