LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
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4.13 Camera trouble
Camera control signals are generated by ZORAN (Multimedia Chip)
and directly connected with ZORAN.
KU990 has two cameras. The one is a 5 Mega Camera, the other is VGA camera.
No
Camera is OK?
Check the camera conn. and
reconnect the camera
Change the LDO (U601, U602, U701, U900, U901)
Camera is OK
Check MMP_CAM_PCLK
Change the camera
Yes
NO
NO
Yes
(CN600)
Change the Main board
End
Yes
End
NO
5M START
ZORAN output signal check
(MMP_CAM_RESET_N, MMP_
CAM_PWR_EN))
Yes
NO
Check master clock
5M_CAM_MCLK
(CN600)
Yes
Change the Analog Switch (U604, U607)
NO
Yes
Check the EMI/ESD filter
(FL600, FL601)
Yes
No
Change the Filter
Summary of Contents for U990
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