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3. BB Circuit Technical brief
3.4. Power ON/OFF
R
e
m
o
e t
P
o
R
2
0
4
3
3 .
M
R
P
W
R
O
N
_
E
N
C
R
2
1
9
E
N
D
_
K
E
Y
1
0
K
Voltage level of PWRON pin is high before push the END_KEY button.
If push the END_KEY button, voltage level of PWRON pin is change from high to low.
ON_OFF1 is a power-on input for SM-POWER3 with active low levels.
LGE Internal Use Only
2
V
1
1
_
R
T
C
w
r e
O
n
R
2
0
1
0
0
3
Q
2
0
1
2
K
T
C
4
0
7
5
E
R
2
0
1
R
2
0
8
2
0
6
3
3 .
M
2
2 .
u
3
Q
2
0
2
K
T
C
1
E
N
D
_
K
E
Y
_
N I
R
2
1
6
1
0
0
K
R
2
1
7
1
0
K
E
N
D
_
K
R
2
1
8
D
I N
K
E
Y
N I
3
Q
2
0
3
2
K
T
C
4
0
7
5
E
1
R
2
2
0
K
E
Y
O
1
0
0
K
[Figure 3.4-1] Remote power on and End-key power on circuit
1
K
P
W
R
O
N
R
P
W
R
O
N
_
D
B
B
5
0
2
4
0
7
5
E
E
Y
_
N I
0
U
T
0
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Copyright © 2009 LG Electronics. Inc. All right reserved.
GM310f service manual
Only for training and service purposes
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Table of Contents
Troubleshooting
