LG lg-d821 User Manual

3. TROUBLE SHOOTING
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Only for training and service purposes
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3.17 Light Sensor on/o trouble
Light Sensor is worked as below:
Menu Key click -> Settings click -> Display click -> Brightness click -> Automatic brightness click
Check the Pad of TP1(C11007), 3V
Yes
Yes
Yes
START
Changing Brightness?
Check the pad of TP2 (R11003),
Proximity int
Is the function normal operation?
Change the Proxi/light
Sensor IC (U11002)
No
No
Click settings
& Click Display and Brightness
& Click Automatic brightness
Watch the brightness of display
Output work well?
END
END
END
No

LG lg-d821 Specifications

General

Brand	LG
Model	lg-d821
Category	Cell Phone
Language	English