Rtc Trouble - LG B2070 Service Manual

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4 . TROUBLE SHOOTING

4.14 RTC Trouble

TEST POINT
CIRCUIT DIAGRAM
X
1
0 0
M
C
1 -
6 4
1 _
. 2
p 5
3
2
2 3
7 .
8 6
K
C
1
9 2
F
C
L
K
O
N
4
1
H
z
C
1
0 3
N
A
R
R
A
D
O I
S
P
K
_
R
C
1
1
3
1
u
C
1
1
4
1
u
C
1
1
5
1
u
C
1
1
6
1
u
C
1
1
7
2
2 .
u
1 (
C
1
1
8
1
u
1
0 0
p 0
N
0 1
C
L
K
N I
T
P
1
2 2
P
3 1
C
L
K
O
C
9
O
S
C
O
E
9
O
S
C
N I
9 F
P
W
R
O
N
P
W
R
O
V
3
_
R
E
S
E
T
N
R
E
S
L
8 1
A
D
O I
_
S
T
O
G
P
O I
_
L
4 1
_
D
E
T
E
C
T
G
P
O I
_
K
6 1
A
D
O I
_
S
E
L
G
P
O I
_
K
8 1
R
1
0
4
1
0
K
C
1
4
9
1
u
C
1
1
2
2
7
p
6
0
) 8
- 84 -
N
U
T
N
E
T
_ 0
R I
D
A
T _
X
_ 1
R I
D
A
_
R
X
_ 2
N
R I
D
A
_
E
N

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