LG B2070 Service Manual page 58

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(3) Checking Ant SW & Mobile SW
TEST POINT
CIRCUIT
T
P
5
2 0
T
P
5
1 0
T
P
5
0 0
C
5
0 0
N
A
C
5
2 0
N
A
C
5
3 0
N
A
C
5
3 4
2
p 2
L
5
0 5
1
8 .
n
H
F
5 L
0 0
A
N
T
1
G
S
M
_
R
X
1
2
G
S
M
_
R
X
2
L
M
S
P
7
C
H
A
1 -
8 5
3
D
C
S
_
R
X
1
4 1
4
V
C
2
D
C
S
_
R
X
2
6 1
5
V
C
3
P
C
S
_
R
X
1
7
6
V
C
1
P
C
S
_
R
X
2
5 1
D
C
S
_
P
C
S
_
T
X
7 1
G
S
M
_
T
X
G
N
D
3
G
N
D
1
G
N
D
4
G
N
D
2
2 1
3 1
9 1
R
5
C
5
5 3
7 2
p 0
R
5
C
5
7 3
7 2
p 0
R
5
C
5
9 3
7 2
p 0
C
5
2 1
. 2
p 2
C
5
7 1
1
n 0
H
2 1
A
N
T
_
S
W
3
G
P
O
_
0 1
0
5 1
A
N
T
_
S
W
2
G
P
O
_
1 1
0
7 1
A
N
T
_
S
W
1
G
P
O
9 _
0
Figure 4-5
VC1 LOW
VC2 LOW
VC3 HIGH
VC1 LOW
VC2 HIGH
VC3 LOW
- 57 -
4 . TROUBLE SHOOTING
Waveform
FEM Control EGSM
Graph 4-6(a)
FEM Control DCS & PCS
Graph 4-6(b)

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