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3.15.2 Proximity
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
Change PM8926. (U4100)
Change the proximity sensor
(U8400).
LGE Internal Use Only
Proximity function Check.
No
+2V85_VREG_L19 (C8400)
+1V8_VREG_LVS1 (R8400)
Yes
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3. TROUBLE SHOOTING
START
Sensor Woks OK ?
No
Check
TP1
TP2
OK?
Yes
Check I2C Line.
(R2207, R2208)
TP3
OK?
No
Change Main Board.
Sensor Woks OK ?
Yes
End
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Yes
Only for training and service purposes
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