3.10.4 Key Pad
There are 18 key buttons. Shows the Key Matrix & Keypad circuit. ‘END’ Key is connected to
PMIC(PM6658).
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
- 51 -
Table. Key Matrix Mapping Table
COL0
COL1
COL2
COL3
COL4
ROW0 MENU CLEAR CAM SEND OK
ROW1 1
2
3 LEFT
RIGHT
ROW2 4
5
6
UP
DOWN
ROW3 7
8
9 HOT1
HOT2
ROW4 *
0
# VOL+
VOL-
6
4
HOT4
3
KEY MAP
HOT3
5
HOT2
9
1
C
0
HOT1
7
2
8
KB4003
ICVS0514X350FR
VA4023
R4016
100K
KB4004
2
4
6
8
1
3
5
7
100K
RA4000
CN4003
1
2
3
4
ICVS0514X350FR
VA4016
KB4013
VA4026
ICVS0514X350FR
ICVS0514X350FR
VA4019
KB4012
KB4001
ICVS0514X350FR
VA4018
KB4009
KB4014
KB4000
VA4024
ICVS0514X350FR
R4020
27
KB4010
R4022
27
ICVS0514X350FR
VA4025
KB4006
KB4011
KB4005
KB4002
KB4008
VA4020
ICVS0514X350FR
R4018
27
ICVS0514X350FR
VA4021
VA4017
ICVS0514X350FR
VA4022
ICVS0514X350FR
KB4007
KEY_COL(3)
KEY_ROW(4)
KEY_COL(4)
KEY_ROW(1)
KEY_ROW(2)
KEY_ROW(3)
KEY_ROW(4)
KEY_COL(0)
KEY_COL(1)
KEY_COL(2)
KEY_ROW(0)
VREG_MSMP_2.7V
Figure. Main Keypad Circuit
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Summary of Contents for KF310
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