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LGE Internal Use Only
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3. BB Circuit Technical brief
GM310f service manual
3.12 Battery voltage monitor
S-Gold3H-LC is monitor battery capacity with ADC port.
[Figure3.12-1] Battery voltage monitor circuit diagram
N
O
I
S
R
E
V
_
B
C
P
)
%
1
(
)
%
1
(
)
%
1
(
K
0
0
1
2
0
1
R
m
h
o
0
0
0
4
2
3
0
1
R
K
0
9
3
1
0
1
R
T
A
B
V
4
P
1
_
1
T
U
O
A
P
8
M
2
_
1
T
U
O
A
P
4
M
5
M
3
E
3
D
6
M
7
M
4
E
8
M
2
D
4
D
9
M
0
M
3
F
4
G
1
M
0
1
M
5
F
2
M
2
E
1
D
3
M
4
F
P
M
E
T
_
F
R
E
P
Y
T
_
K
C
A
J
L
E
V
E
L
_
A
P
D
I
_
T
A
B