LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
- 147 -
4.12 Micro SD trouble
Micro SD is worked as below :
Micro SD insertion
→
MICROSD_DETECT(R803) goes to low
→
go working
MICROSD_DETECT(R803)
is low ?
Inser t the Micro SD Card
Start
End
Check VREG_ MMC_3.0V
is o ver 2.85V?
Work well?
YES
NO
SOCKET
R803(DETECT)
YES
Work well?
YES
NO
NO
Change the MAIN board
YES
NO
C525(VREG_MMC_3.0V)