- 76 -
LGE Internal Use Only Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. TROUBLE SHOOTING
< Main Board - Top side >
S100
MicroSD works well?
START
Yes
Re-insert MicroSD card
Check operation of MicroSD card
using other notebook or PDA
Change main board
MicroSD works well?
Finish
Yes
No
No
MicroSD works well?
Change the MicroSD
No
Yes
Re-insert MicroSD
Yes
No
Yes
VDDG_2V85 (TP1) is same to 2.85V?
Finish
Change Main board
Yes
No
APP_GP_MMC_DETn(TP2) is same to 0 V?
Change Main board
TP1 TP2
4.4 MicroSD card Trouble
H
E
SWA SWB
4
6
2
5
3
7
8
1
GND
R416 2.2