LGE Internal Use Only
Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
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4.13 Micro SD trouble
Micro SD is worked as below :
Micro SD insertion
→
Card Detect (SD_INT) goes to low
→
STn8810 detect SD_INT and
assert VMMC_3.1V by STw4810
→
go working
Does the micro SD icon
appears ?
SD_INT(C343,NA)
is be low ?
Insert the Micro SD Card
Start
End
Check the Pull up resistor
R309, R310,R311,R313,R314
Check VMMC_3.1V
is over 2.85V?
Work well?
YES
YES
NO
C343 (SD_INT)
C339 (VMMC_3.1V)
Change the main board
NO
YES
YES
NO
NO
R309
R310
R311
R313
R314
Summary of Contents for KS10
Page 1: ...Date July 2007 Issue 1 0 Service Manual Model KS10 Service Manual KS10 Internal Use Only ...
Page 246: ...Note ...
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