LG LG-A270 - Page 77

4. TROUBLE SHOOTING
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Check the soldering condition
Of R410,R412,R41474
Re-soldering
No
Micro SD Card will work properly
Yes
Micro SD Detect OK?
Yes
Change U100
No
Check out TF_CLK &
Data0Timing OK?
Replace Micro SD Card
Check theTP3=2.8V?
TF_CHECK(TP2)Is High?
Re-attach or Replace TP1
Re-download SW
Yes
Yes
Yes
Yes
No
No
No