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LGE Internal Use Only
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3. TECHNICAL BRIEF
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
3.12 Keypad Interface
Figure 3-12-1 KEY STRUCTURE
VOLUME
HOLD
CAMERA
VA303
EVLC5S02100
SW306
680
SW304
R304
SW311
CN303
1
2
3
CN301
1
2
3
680
R313
SW307
SW305
SW302
SW308
EVLC5S02100
VA302
D306
PRSB6.8C
SW300
CN304
1
2
3
4
PRSB6.8C
D300
PRSB6.8C
D304
PRSB6.8C
D302
R302
100ohm
D301
PRSB6.8C
SW310
D305
PRSB6.8C
VA301
EVLC5S02100
R303
100ohm
PRSB6.8C
D307
680
R312
R316
680
SW309
SW303
SW301
D303
PRSB6.8C
R314
680
680
R315
R311
680
R307
680
680
R317
KEY_ROW4
KEY_COL2
KEY_COL1
KEY_COL0
KEY_ROW5
KEY_ROW0
KEY_ROW1
KEY_ROW2
KEY_ROW3