3. TECHNICAL BRIEF
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Only for training and service purposes
LGE Internal Use Only
3.11 Keypad Interface
VA301
VA302
VA304
VA305
VA306
VA307
VA309
VA311
VA310
VA308
KB300
2
1
680
R301
R302
680
R303
680
680
R316
680
R304
680
R317
KB316
2
1
R309
680
R306
680
R305
680
KB306
KB305
KB302
KB301
2
1
KB319
KB312
KB311
KB320
KB318
KB310
KB303
KB304
KB315
KB313
KB317
KB309
KB308
KB314
R318
68
0
KEY_ROW0
KEY_ROW2
KEY_COL0
KEY_COL1
KEY_COL2
KEY_ROW1
KEY_ROW4
KEY_ROW3
KEY_COL3
KEY_COL4
Changed (12/29)
Changed (12/29)
SW1
SW2
SEND
RIGHT
LEFT
OK
DOWN
UP
SHARP
NUM 0
STAR
NUM 9
NUM 8
NUM 7
NUM 6
NUM 5
NUM 4
NUM 3
NUM 2
NUM 1
Figure 3.11.1 MAIN KEY STRUCTURE
R365
680
680
R366
SW300
S1
3
4
5
6
S2
VA314
VA315
2
1
KEY_ROW4
KEY_COL4
(10/12) Changed
Added for ESD (8/21)
SIM Selection KEY
KB307
VA303
END_KEY
END