Table of Contents
Advertisement
3.11.4 Key Pad
There are 22 buttons, 4 sub keys and 5 side keys in Figure. Shows the Keypad circuit. 'END' Key is
connected On_SW to PMIC(PM6650).
COL(0)
ROW0
1
ROW(1)
3
ROW(2)
5
ROW(3)
7
ROW(4)
0
VREG_MSMP_2.7V
KEY_ROW(0)
KEY_ROW(1)
VA715
EVLC14S02050
KEY_ROW(2)
VA716
EVLC14S02050
KEY_ROW(3)
VA717
EVLC14S02050
KEY_ROW(4)
VA718
EVLC14S02050
KEY_COL(0)
KEY_COL(1)
KEY_COL(2)
KEY_COL(4)
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
COL(1)
COL(2)
2
UP
(SIDE KEY)
4
DOWN
(SIDE KEY)
6
MULTI
(SIDE KEY)
8
9
#
*
Table.3.11. 6 Key Matrix Mapping Table
KEY
ONE
TWO
THREE
FOUR
FIVE
SIX
SEVEN
EIGHT
NINE
ZERO
SHARP
STAR
Figure.3.11.6 Keypad Circuit
- 49 -
3. TECHNICAL BRIEF
COL(3)
CAMERA
SEND
(SIDE KEY)
FOCUS(
SIDW KEY)
RIGHT
SOFT 2
(SCROLL KEY)
LEFT
SOFT 1
(SCROLL KEY)
OK
(SCROLL KEY)
SEND
KEY_COL(4)
CLEAR
KEY_COL(3)
KEY_ROW(2)
KEY_ROW(3)
KEY_ROW(4)
KEY_ROW(0)
6
KEY_ROW(1)
5
4
3
2
KEY_ROW(2)
1
CN?
KEY_COL(2)
COL(4)
COL(5)
NONE
(SCROLL KEY)
CLR
NONE
NONE
(SCROLL KEY)
NONE
(SCROLL KEY)
NONE
NONE
UPPER KEY
201
202
203
204
205
LEFT
RIGHT
OK
SIDE_KEY
UP
SW700
CAMERA
4
1
DOWN
FOCUS
3
2
MENU
KEY_COL(3)
LGE Internal Use Only
Advertisement
Table of Contents
Troubleshooting
