LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4.10 Micro SD trouble
Micro SD is worked as below :
Micro SD insertion
→
MICROSD_DETECT(R804) goes to low
→
go working
4. TROUBLE SHOOTING
- 104 -
MICROSD_DETECT(R804)
is low ?
Inser t the Micr o SD Card
Start
End
Check VREG_ MMC_3.0V
is o ver 2.85V?
Work w ell?
YES
NO
SOCKET
R804(DETECT)
YES
Chan ge the SUB b oard
Work w ell?
YES
NO
NO
Chan ge the MAIN board
YES
NO
C807(VREG_MMC_3.0V)
Summary of Contents for KE990 - Viewty Cell Phone 100 MB
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