LG GT540 - Camera Key

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Only for training and service purposes
LGE Internal Use Only
3. TECHNICAL BRIEF
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3.12.3 KEY
3.12.3.1 Side key
There are 4 side key buttons that are controlled by MSM7227.
Refer to the circuit.
Figure. Side key
3.12.3.2 QTKEY
There are 2 Front buttons(SEND,HOME) that are controlled by MSM7227.
‘Power Button’ Key is connected to PMIC(PM7540:KPD_PWR_N)
Refer to the circuit.
Figure. Front key
KB100
CN100
5
4
3
2
1
SW100
CC_
BB_
DA
KEY_ROW[2]
KEY_ROW[1]
KEY_COL[1]
KEY_ROW[0]
capture
AF
HOT_KEY
CAMERA KEY
SEND
KEY_ROW[1]
KEY_ROW[0]
KEY_COL[2]KEY_COL[2]
KPD_PWR_N
SEND
HOME
POWER KEY / END