LG LG-K430DSF - Sensor

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3. TROUBLE SHOOTING
se
Send Key click
& Phone number click
& Call connected
Object moved at the
Proximity sensor
Check power (C8400)
Change the main board
Start
LCD off?
Yes
No
Output work well?
Yes
No
Yes
Function is OK?
END
END
END
3.13 Checking proximity sensor Block
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
Image
Checking Flow
nsor
Power (C8400)
Circuit Diagram
Power (C8400)