LG KS20 - Key Pad; Power Button

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3. TECHNICAL BRIEF
LGE Internal Use Only Copyright © 2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
3.11.3. Key Pad
There are 13 main key buttons that are controlled by MSM7200. Refer to the Keypad circuit. ‘Power
Button’ Key is connected to PMIC(PM7540:GPIO83).
Power Button
KB105
D119
PRSB6.8C
INSTPAR
KPDPWR_ON
[Table 1.7] Key Matrix Mapping Table
[Figure1.18] Power Button Keypad circuit