CHECKING FLOW
START
Micro SD Detect
OK?
YES
Check out T_CLK & Data
Timing OK?
YES
Replace Micro SD Card
YES
Micro SD Card will
work properly
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Only for training and service purposes
NO
Check TP1=2.85V?
YES
TP2
Is High?
YES
NO
Re-download SW
- 85 -
4. TROUBLE SHOOTING
NO
Change U303
NO
Change Micro SD or
Replace S300
LGE Internal Use Only