Key Pad - LG U990 Service Manual

3. TECHNICAL BRIEF

3.10.4 Key Pad

There are 5 key buttons. Shows the Key Matrix & Keypad circuit.
'END' Key is connected to PMIC(PM6650).
VREG_MSMP_2.7V
KEY_ROW[2]
KEY_COL[0]
KEY_COL[1]
LGE Internal Use Only
COL(0)
ROW(0) Lock
ROW(1)
ROW(2) SEND
Table. Key Matrix Mapping Table
Figure. Main Keypad Circuit
- 60 -
COL(1)
Capture
AF
CLR
700 701
SEND CLR
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