LG LG-P970 Service Manual

4. TROUBLE SHOOTING
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Copyright © 2011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
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4.21 Illumination Sensor on/off trouble
Illumination Sensor is worked as below:
Menu Key click Î Settings click Î Display click Î Brightness click Î Automatic brightness click
Measurement
LSENSOR_BIAS
LSENSOR_SENS
Hide Illumination sensor by hand
LCD brightness change?
No
Check TP1,2
(LSENSOR_BIAS/SENS)
No
Yes
Work well?
START
END
No
Yes
Automatic brightness click
Yes
Change the VT_CAM FPCB
Change the main board
(TP2)
(TP1)

LG LG-P970 Specifications

General

Brand	LG
Model	LG-P970
Category	Cell Phone
Language	English