LGE Internal Use Only
Copyright © 2008 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3.9.4 Key Pad
There are 5 key buttons. Shows the Key Matrix & Keypad circuit. ‘END’ Key is connected to
PMIC(PM6635).
3. TECHNICAL BRIEF
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Table. Key Matrix Mapping Table
COL(0)
COL(1)
ROW(0)
Lock
Capture
ROW(1)
AF
ROW(2)
SEND
CLR
CLR
SEND
701
700
51K
R701
EVLC14S02050
VA701
EVLC14S02050
VA702
VA703
EVLC14S02050
KEY_ROW[2]
VREG_MSMP_2.7V
KEY_COL[0]
KEY_COL[1]
Figure. Main Keypad Circuit
Содержание KE990 - Viewty Cell Phone 100 MB
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