LG GW520 - Camera Trouble

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Only for training and service purposes
5. Trouble shooting
GW520 service manual
5.12 Camera Trouble
(1) 3M camera
Start
END
Check connection
CAM Module & connector
is it OK?
2V8_CAM. 1V8_CAM
Voltage level is ok?
Check TP1
Check control signal
And data.
Check TP2
Connect CAM module
& connector
YES
YES
YES
Replace new camera module.
Working properly?
YES
NO
NO
NO
Check soldering or Change
FB304,FB305,FB306,U304
1.Check soldering or change,
relevant component.
2. Change the main board.
Replace camera socket
Or change the main board
Checking Flow
NO
Start
END
Check connection
CAM Module & connector
is it OK?
2V8_CAM. 1V8_CAM
Voltage level is ok?
Check TP1
Check control signal
And data.
Check TP2
Connect CAM module
& connector
YES
YES
YES
Replace new camera module.
Working properly?
YES
NO
NO
NO
Check soldering or Change
FB304,FB305,FB306,U304
1.Check soldering or change,
relevant component.
2. Change the main board.
Replace camera socket
Or change the main board
Checking Flow
NO