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3. TECHNICAL BRIEF
LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
Figure 11-2. Keypad Configuration Circuit
Soft2OI
E
Y
MNV
Soft1
GD
FZSym
MSGLSpaceSFn
CLRH
K
UT
PJ
W
RAQ
CXShift
ENTERB
KB405
KB409
KB408
C427
27p
KB402
KB413
KB412KB411
C426
27p
KB407KB403 KB406KB404
KB427
KB410
KB421
KB414
KB434
KB431KB428KB425 KB426
KB400
KB415
KB429
KB420
KB401
KB424
KB423KB422
KB419KB418KB416 KB417
C425
27p
KB433
KB430
KB432
KEY_COL6
KEY_ROW4
KEY_ROW0
KEY_COL7
KEY_ROW1
KEY_ROW3
KEY_COL0
KEY_COL1
KEY_COL2
KEY_COL3
KEY_COL4
KEY_COL5
KEY_ROW2
END
OK
DOWNUPLEFT
RIGHTCLRHOT
SENDSOFT2SOFT1
103
107
104
VA100
EVL14S02200
101
106
102
VBAT
150R112
KB100
105
108 109
100
KEY_ROW5
KEY_COL4
KEY_COL5
KEY_COL6
KEY_ROW4
END_KEY
KEY_COL7
KEY_ROW6