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4. TROUBLE SHOOTING
LGE Internal Use Only
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4.11 3M Camera trouble
3M camera control signals are generated by MSM7201A.
PM_CAM_AF_2.8V,
CAM_AVDD_2.8V, CAM_DVDD_1.8V
CAM_IOVDD_2.8V
Camera is OK?
Check the ca mera conn. and
rec onnect the camera
Camera is OK
Chang e th e camera
Yes
NO
NO
Yes
Change the Main board
End
Yes
End
NO
START
MSM7201A output signal c heck
(3MCAM_RESET_N,)
Yes
NO
Check master cloc k
Yes
Check t he EMI/ESD filter
(FL601, FL602)
Yes
No
Change the Filter (FL601, FL602)
NO
Summary of Contents for CT815
Page 1: ...Date May 2009 Issue 1 0 Service Manual Model CT815 Service Manual CT815 Internal Use Only ...
Page 221: ...Note ...
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