Camera Troubleshooting - LG KS20 Operating Instructions Manual

4.14 Camera Troubleshooting

Camera control signals are generated by MSM7200.
4.14.1 2M AF CAMERA
Check the camera connector and
Check an U100 SMT status
Exchange U100 or
Change the Main board
And Retest
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Only for training and service purposes
Start
reconnect the camera
Camera is OK?
NO
VCAM_2.6V(FB600, FB601,
FB602 or C721) is 2.6V?
Yes
VCAM_1.8V(C722)
is 1.8V?
Yes
Check the CAM_MCLK
(R621)
Yes
Change the camera
Camera is OK
NO
by X-ray
4. TROUBLE SHOOTING
Yes
END
NO
Change the Sub board
NO
Change the Sub board
NO
Change the Sub board
Yes
END
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