Microsd Card Trouble - LG TU750 Service Manual

4.4 MicroSD card Trouble

Baseband chipset use polling method to detect the microSD Card.
Check operation of MicroSD card
MICROSD_DAT2_2V85
MICROSD_DAT3_2V85
MICROSD_CMD_2V85
VDDG_2V85
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
START
Re-insert MicroSD card
MicroSD card work well?
No
using other notebook or PDA
MicroSD work well?
Yes
FINISH
J801
1 8
DAT2 DAT1
2 7
DAT3 DAT0
3 6
CMD VSS
4 5
VDD CLK
9 11
GND1 GND3
10 12
GND2 GND4
Yes
Finish
No
Change the MicroSD
MICROSD_DAT1_2V85
MICROSD_DAT0_2V85
MICROSD_CLK_2V85
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4. TROUBLE SHOOTING
< SocketPCB side
microSD Socket>
LGE Internal Use Only