Only For Training And Service Purposes - LG CT815 Service Manual

3. TECHNICAL BRIEF
3.12.3 Key Pad
There are 13 main key buttons that are controlled by MSM7201A. Refer to the Keypad circuit.
'Power Button' Key is connected to PMIC(PM7540:KEPD_PWR_N).
KEY_ROW[0]
KEY_ROW[1]
KEY_ROW[2]
LGE Internal Use Only
COL(0)
SEND
VOL_DOWN
VOL_UP
Table. Key Matrix Mapping Table
VREG_MSMP_2.6V
KEY_ROW[0]
KEY_ROW[1]
KEY_ROW[2]
KEY_COL[0]
KEY_COL[1]
KEY_COL[2]
KPD_PWR_N
Figure. Power ON / OFF Button Keypad circuit
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COL(1)
CAMERA
FOCUS
SUSPEND
KB601
ON/END
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Only for training and service purposes

COL(2)
JOG_T
JOG_CW
JOG_CCW