LG GD330 - MIC Trouble Shooting

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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
4.11. MIC Trouble Shooting
z MIC Operation scheme is shown below.
TP1
TP2
TP3
TP4
TP5
6
01
P
T
S
A
I
B
CIM
3
E
N
I
C
I
M
2D
PICIM
1D
1C
C
I
M
S
H
2
E
S
A
I
B
CIM
S
H
L
O
S
H
1
F
1
E
R
O
SH
2C
O
X
UA
3F
2
G
N
R
A
E
P
RA
E
1
G
3D
LM
F
R
MF_I
X
U
A
01
1
C
p
0
01
1
01B
F
0
0
1
B
F
4
01
P
T
2
01B
F
CIM_
S
H
L
_
O
S
H_
B
B
A
R
_
O
S
H_B
B
A
N_CI
M
P_
C
I
M
S
AI
B
_
C
I
M
N
_
V
C
R
P
_
V
C
R
05
1
72
3
R
7
23C
u
1
.
0
0
51
9
2
3
R
82
3
C
p0
01
02
3
C
p7
4
p2
2
52
3
C
H
n0
22
0
51
52
3
R
6
0
3
L
n
74
1
2
3
C
n7
4
6
1
3
C
H
n0
2
250
3
L
H
n
0
01
70
3
L
0
5
1
8
23R
0
5
1
6
23R
T
A
B
V
6
7
8
9
3
1
4
1
5
1
6
1
7
1
8
1
9
1
2
0
2
1
2
2
2
3
2
4
2
3
4
5
20
3
N
C
2
G
1
G
4
G
3
G
1
0
1
1
1
2
1
0
51
0
3
3
R
p
22
42
3
C
6
23
C
u
1.0
u0
1
32
3
C
05
1
05
1
43
3
R3
3
3
R
P
_
CIM
)
2(R
B
K
)
1(R
B
K
)
0(R
B
K
)
1
(
C
B
K
)
2(
C
BK
)
3
(
C
B
K
N_CI
M
S
A
I
B
_
C
I
M
)0
:
3
(
R
B
K)
0:
3
(
C
B
K
C
_
D
E
L_MU
N
)
0
(
C
B
K
)
3(
R
B
K