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Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
4. TROUBLE SHOOTING
LGE Internal Use Only
4.13 SIM Card Interface Trouble
TEST POINT
CIRCUIT
CN103
TP1
L107
T
E
K
C
O
S
D
I
R
B
Y
H
M
I
S
&
D
S
u
2
1
6
D
N
G
1
1
0
1
A
W
S
B
W
S
9
3
4
4
5
5
6
6
7
7
8
8
C1
C1
C2
C2
C3
C3
C5
C5
C6
C6
C7
C7
1
D
N
G
6
1
5
1
2
D
N
G
4
1
3
D
N
G
4
D
N
G
3
1
5
D
N
G
1
0
9
7
1
0
0
Y
S
N
E
2
-
3
3
7
3
4
7
1
3
0
1
N
C
1
1
2
2
3
2
7
1
C
u
1
R134
56K
22p
C157
22p
C156
M
I
S
V
_
5
8
V
2
1
7
1
C
p
0
0
0
1
2V85_VSIM
2V85_VSIM
L106
100nH
0
6
1
C
u
1
.
0
D105
R133
56K
L105
100nH
D104
R136
56K
R132
56K
L107
100nH
6
0
0
1
_
E
D
O
I
D
_
I
N
D
D103
7
2
1
R
K
7
.
4
D102
R135
56K
6
0
1
U
F
-
R
T
-
D
1
8
2
K
4
0
1
P
R
1
0
6
5
5
3
0
Y
S
U
E
C
N
_
E
C
3
D
N
G
2
PGND
5
4
T
U
O
V
D
D
V
1
56K
R131
3
0
1
L
H
n
0
0
1
T
A
B
V
u
1
5
7
1
C
3
7
1
C
p
2
2
T
X
E
V
_
3
9
V
2
100nH
L104
N
E
_
O
D
L
_
F
T
SIM_CLK
SIM_RST
SIM_DATA
3
A
T
A
D
_
F
T
D
M
C
_
F
T
0
A
T
A
D
_
F
T
1
A
T
A
D
_
F
T
2
A
T
A
D
_
F
T
T
E
D
_
F
T
K
L
C
_
F
T
TP1