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LGE Internal Use Only
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
4. Trouble Shooting
4.14.2 Step 2
Step 2 : GSM PAM Block
(Bottom)
GSM PAM
TP3
TP5
TP4
TP5
TP3
Main Board (bottom side)
- Power Source Block
TP2
TP1
3n
L1
1
5
I
N
D
9
0
1
C
p
5
.
0
8
5
1
C
3
0
6
0
p
2
2
4
1
1
C
5
1
1
C
3
0
6
0
p
2
2
9
1
1
C
3
0
6
0
p
2
2
1
0
1
W
S
3
B
R
0
0
6
2
-
0
3
4
8
M
M
2
65
43
1
IN
GN
D
1
GN
D
2
GN
D
3
GN
D
4
OU
T
5
0
1
U
9
1
5
7
7
Y
K
S
9
2
5
1
6
1
4
1
7
1
3
1
8
1
2
1
9
1
1
1
0
2
9
2
2
4
2
0
1
7
1
2
6
5
3
2
4
5
2
3
2
6
2
1
7
2
8
8
2
T
N
A
1
S
B
2
S
B
N
E
X
T
E
D
O
M
T
T
A
B
V
D
V
S
R
C
P
A
V
4
X
R
3
X
R
N
I
_
M
S
G
2
X
R
1
X
R
N
I
_
S
C
P
_
S
C
D
1
A
M
D
C
W
3
1
D
N
G
1
D
N
G
2
1
D
N
G
2
D
N
G
1
1
D
N
G
3
D
N
G
0
1
D
N
G
4
D
N
G
9
D
N
G
5
D
N
G
8
D
N
G
7
D
N
G
D
N
G
P
6
D
N
G
2
4
1
C
u
0
1
u
0
1
0
4
1
C
0603
n
0
1
1
3
1
C
0603
p
2
2
5
4
1
C
VB
A
T
0
0
9
X
R
0
0
9
1
X
R
0
0
8
1
X
R
1
_
D
N
A
B
_
F
R
W
0
W
S
T
N
A
2
W
S
T
N
A
1
W
S
T
N
A
S
C
P
S
C
D
_
X
T
M
S
G
E
_
X
T
C
P
A
V
TP5
TP3 TP4