LG KG920 - Keypad Switches and Scanning

3. TECHNICAL BRIEF
- 66 -
3.11 Keypad Switches and Scanning
SEND
KEY MATRIX
END
RIGHT
45
89
DOWN
LEFT
* CLEAR
UP
SW1 SW2 SW3
0#
23
OK
1
6
7
SW6 SW7
10K
VBAT
R101
SW14
SW10 SW11
SW3
SW13
R102
680
SW16 SW17
SW21
SW4 SW5
SW19SW18
SW12
SW23
SW15
SW22SW20
SW9
VA100
EVLC18S02015
SW8
680R125
SW1
SW2
KEY_ROW4
KEY_COL2
KEY_COL1
KEY_ROW5
POWERKEY
KEY_ROW0
KEY_COL0
KEY_ROW1
KEY_COL3
KEY_ROW2
KEY_ROW3
HOT4
AUTO FOCUS
HOT2
HOT1
HOT3
VOL_UP
VOL_DN
SHOT
SIDE_KEY
G1 G2
1
2
3
4
SW301
CN304
1
2
3
4
R308 680
VA302
EVLC18S02015
G1 G2
1
2
3
4
SW304
1
2
3
4
CN305
SW303
G1 G2
1
2
3
4
G1 G2
1
2
3
4
SW302
KEY_ROW3_1
KEY_ROW2_1
KEY_ROW1_1 KEY_COL5
KEY_COL4_1
KEY_ROW4_1
KEY_COL4_1
KEY_ROW2_1
KEY_ROW1_1
KEY_ROW4_1
KEY_ROW3_1
Figure 3-31. Keypad Switches and Scanning