Key Pad; Power Button - LG KS20 Operating Instructions Manual

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).
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Only for training and service purposes
[Table 1.7] Key Matrix Mapping Table

Power Button

KB105
[Figure1.18] Power Button Keypad circuit
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3. TECHNICAL BRIEF
KPDPWR_ON
LGE Internal Use Only