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9-7. Key Data Input
Check Initial Operation
When one of the keys is
pushed,
is it displayed on LCD?
When one of the keys is
pushed,
KEY_ROW(0)~(4)
KEY_COL(0)~(4)
signal is OK?
Yes
Yes
Yes
END
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This Document can not be used without Samsung's authorization
No
Check the Dome sheet & Key Pad
No
Replace the PBA
9-16
Flow Chart of Troubleshooting
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