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4.6. Vibrator trouble
Check Points
-Vibrator soldering
-IC is working correct
3
V
1
V
B I
_
N I
_
N
V
B I
_
N I
_
P
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V
B I
R
C
_
V
B I
R
2
U
2
0
3
R
2
2
9
5
1
K
C
3
I
- N
R
2
3
1
5
1
K
C
2
N I
+
B
1
_
S
H
U
T
C
1
B
Y
P
A
S
C
2
5
4
0
0 .
1
u
R
2
L
D
O
f
V
B
A
T
U
2
0
5
1
V
D
D
4
N
C
6
V
B I
_
E
N
C
E
C
2
6
6
1
u
V
B I
A
T
O
R
2
5
3
0
0 .
1
u
2
7
1
0
0
K
T
P
A
6
2
0
5
A
1
Z
Q
V
R
A
3
V
D
D
B
3
V
O
+
A
1
D
O
W
N
V
O
-
B
2
S
G
N
D
C
2
5
5
1
u
3
5
1
0
0
K
r o
V
B I
R
A
T
O
R
R
1
1
1
4
D
3
1
1
D
3
V
O
U
T
2
G
N
D
1
5
G
N
D
2
C
O
U
T
Q
2
0
2
B
_
P
W
M
N I
E
G
N
D
K
R
C
4
0
2
E
- 77 -
4. TROUBLE SHOOTING
V
B I
_
O
U
T
_
P
V
B I
_
O
U
T
_
N
C
2
5
6
C
2
5
7
2
2
p
2
2
p
3
V
1
_
V
B I
V
B I
_
N I
_
N
V
B I
_
N I
_
P
C
2
6
7
0
1 .
u
LGE Internal Use Only
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Table of Contents
Troubleshooting
