LG GB220 - Page 101

- 102 -
LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
Micro SD Card will
work properly
Micro SD Detect
OK?
START
Re-attach or
Replace J201
NO
YES
uSD_DET(R213)
Is High?
NO
YES
Check out MC_CLK & Data
Timing OK?
Re-download SW
NO
YES
YES
Replace Micro SD Card
CHECKING FLOW
Check the
C223=2.8V?
YES
NO
Change U101