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LGE Internal Use Only
Copyright © 2010 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
4. Trouble Shooting
(BB)
Proximity Sensor is worked as below :
Send Key click
Î
Phone number click
Î
Call connected
Î
Object moved at the sensor
Î
Control the screen’s on/off operation automatically
Send Key click & call connected
Object moved at the Proximity Sensor
LCD on/off?
No
Start
End
Yes
NO
Change the Main Board
4.20 Proximity Sensor on/off trouble
YES
Work well?
TP1 output check
NO
Change the sensor
(U300)
TP2, TP3, TP4 check
NO
Change the Main Board
YES
YES
158P
Change the Sub Board
Содержание GD88O
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