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Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
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4.12 Camera trouble
Camera control signals are generated by ZORAN (Multimedia Chip)
and directly connected with ZORAN.
KE990 has a 5 Mega Camera.
Check CA M_VDD_CORE_1.2V,
CAM_VDD_AF_2.7V, CAM_VDD_SA_2,7V
CAM_VDD_IO_2.7V, CAM_VDD_SD_1.8V
No
Camera is OK?
Check the ca mera conn. and
rec onnect the camera
Change the LDO (U601, U602, U701, U900, U901)
Camera is OK
Check MMP_ CAM_PCLK
Chang e th e camera
Yes
NO
NO
Yes
(CN600)
Chang e th e Main bo ard
End
Yes
End
NO
5M START
ZORAN outp ut sign al ch eck
(MMP_CAM_RESET_N, MMP_CAM_PWR_EN))
Yes
NO
Check master cloc k
5M_CAM_MCLK
(CN600)
Yes
Change t he Analo g Switc h (U604, U607)
NO
Yes
Check t he EMI/ESD filter
(FL600, FL601)
Yes
No
Change th e Filte r
Summary of Contents for KE990 - Viewty Cell Phone 100 MB
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