4. TROUBLE SHOOTING
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LGE Internal Use Only
Copyright © 011 LG Electronics. Inc. All right reserved.
Only for training and service purposes
CHECKING FLOW
Micro SD Card will
work properly
Micro SD Detect
OK?
START
Re-attach or
Replace S301
NO
YES
uSD_DET(R301(TP02))
Is High?
NO
YES
Re-download SW
YES
YES
Replace Micro SD Card
Check the
C305(TP01)=2.8V?
YES
NO
Change U201