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3.11.4. Key Pad
There are 18 key buttons. Shows the Key Matrix & Keypad circuit.
'END' Key is connected to PMIC(PM6658).
ROW(0)
ROW(1)
ROW(2)
ROW(3)
ROW(4)
V
O
2
2
0
R
4
0
1
K
E
Y
_
R
O
W
(
) 0
2
2
0
R
4
0
2
K
E
Y
_
R
O
W
(
) 1
2
2
0
R
4
0
3
K
E
Y
_
R
O
W
(
) 2
2
2
0
R
4
0
4
K
E
Y
_
C
O
( L
) 5
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
COL(0)
COL(1)
COL(2)
Multi
1
2
4
5
7
8
*
0
Table. Key Matrix Mapping Table
L
C
N
4
0
0
G
1
G
2
1
1
0
2
9
3
8
4
7
5
6
G
3
G
4
V
R
E
G
_
M
S
M
P
_
2
7 .
V
K
E
Y
_
R
O
W
(
) 0
K
E
Y
_
R
O
W
(
) 1
K
E
Y
_
R
O
W
(
) 2
K
E
Y
_
R
O
W
(
) 3
K
E
Y
_
C
O
( L
) 0
K
E
Y
_
R
O
W
(
) 4
K
E
Y
_
C
O
( L
) 1
K
E
Y
_
C
O
( L
) 2
K
E
Y
_
C
O
( L
) 3
K
E
Y
_
C
O
( L
) 4
Figure. Keypad Circuit (Vol Key , Key, ON/SW)
KP330 Operational Description
COL(3)
COL(4)
CLR
MENU
3
LEFT
UP
6
OK
RIGHT
9
SEND
SEARCH
#
DOWN
CAMERA
O
P
M
_
O
N
_
S
W
_
N
K
E
Y
4
0
0
4
0
1
4
0
3
4
0
4
4
0
6
4
0
7
H
O
T
4
0
1
4
0
9
- 69 -
3. TECHNICAL BRIEF
COL(5)
Side(up)
Side(down)
SPK
N
S /
W
O
N
E /
N
D
R
4
0
0
2
7
H
O
T
4
0
0
C
L
R
M
E
4
0
2
L
E
F
T
U
4
0
5
O
K
I R
G
4
0
8
S
N
D
S
E
A
H
O
T
4
0
2
D
N
B
A
LGE Internal Use Only
N
U
P
H
T
R
C
H
C
K
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