LGE Internal Use Only
Copyright © 2009 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3. TECHNICAL BRIEF
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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).
Table. Key Matrix Mapping Table
Figure. Power ON / OFF Button Keypad circuit
COL(0)
COL(1)
COL(2)
KEY_ROW[0]
SEND
CAMERA
JOG_T
KEY_ROW[1]
VOL_DOWN
FOCUS
JOG_CW
KEY_ROW[2]
VOL_UP
SUSPEND
JOG_CCW
VA605
EVLC5S0250
VA601
EVLC5S0250
R604
51K
51K
R603
VREG_MSMP_2.6V
R602
51K
VA603
EVLC5S0250
EVLC5S0250
VA602
EVLC5S0250
VA604
EVLC5S0250
VA606
KEY_COL[2]
KEY_COL[1]
KEY_COL[0]
KEY_ROW[0]
KEY_ROW[2]
KEY_ROW[1]
ON/END
EVLC5S0250
VA607
KB601
KPD_PWR_N
Содержание GT810h
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