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3. TROUBLE SHOOTING
3.13.3 Checking Sensor (Proximity_Ambient)
Proximity Sensor is worked as below:
Phone number click
Call connected
Object moved at the sensor
Control the screen’s on/off operation automatically
Checking Flow
Image
Circuit Diagram
START
Phone number click
& Call connected
LCD off?
Check power (TP1)
Output work well?
Function is OK?
Change the Sensor IC
(U7300)
END
Yes
No
END
Yes
No
END
Yes
Object moved at the sensor
Change the
main board
No
TP1
U7300
TP1
3.13 Sensor
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Summary of Contents for LG-M700TV
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