3. TROUBLE SHOOTING
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Only for training and service purposes
LGE Internal Use Only
3.14.2 Proximity
APDS-9130-200 is Proximity sensor.
Proximity Sensor is worked as below:
Send Key click -> Phone number click -> Call connected -> Object moved at the sensor -> Control the screen’s on/off
operation automatically
START
Proximity function Check.
End
Check
+2.8V_L10_SENSOR (R8009) TP1+1.8V_
LDO3_SENSOR (R8002) TP2
OK?
Sensor Woks OK ?
Sensor Woks OK ?
Check I2C Line.
(R2000, R2001) TP3 OK?
No
No
No
Yes
Yes
Yes
Change PM8038. (U5000)
Change Main Board.
Change the proximity sensor
(U8002).
Yes