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Only for training and service purposes
4. TROUBLE SHOOTING
4.19. Proximity Sensor on/off trouble
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 off?
No
Start
End
Change the Main Board
YES
Check TP1, TP2 & TP3
in LCD_FPCB
Yes
Change the Sensor
in the LCD_FPCB
No
Chasnge the LCD_FPCB
No
Yes
Work well?
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