LG GD580 - Microsd Card Trouble

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Only for training and service purposes
4. Trouble Shooting
4.4 MicroSD card Trouble
< Main Board - Bottom side >
S601
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_DET(TP2)
is same to 0 V?
Change Main board
TP1
TP2
100K R632
8
V
1
_
E
D
D
V
30
6
D
Z
R
2
T
S
C
8
.
6
B
SR
S601
49448-1611
ENSY0018601
16 15 14 13 12 11 21
0
1
9
8
7
6
5
4
3
2
1
7
1
81
2T
S
1
TS
4S
1T
2T
3T
4
T
5T
6
T
7
T
8
T
8S
G3
S7 S3 S6 S2 S5 S1
T
ED
_
C
M
M
_PG
_
P
P
A