LG KG800 - Keypad Switches and Scanning

3. TECHNICAL BRIEF
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3.9 Keypad Switches and Scanning
END
15P
MP3
5
9
3
8
2
1
*
DOWN
VOLUME
UP
6
0
#
4
NUMERIC KEY MATRIX
7
SW109
CN101
1 2 3 4
SW104
VA103
PG05DBTFC
SW101
SW112
SW106
10K
R102
680
R103
SW102
1 2 3 4 5
SW107
CN102
SW111
SW108
PG05DBTFC
VA102
SW103
SW110
VA101
PG05DBTFC
VBAT
SW105
KEY_ROW4
KEY_COL2
KEY_COL1
KEY_COL0
KEY_ROW0
POWERKEY
KEY_ROW1
KEY_ROW2
KEY_ROW3
Figure 3-27. Keypad Switches and Scanning