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Flow Chart of Troubleshooting
9-17
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9-8. Key Data Input
Check Initial Operation
Yes
When one of the keys is
pushed,
does it works physically?
Check the Dome sheet, Volume KeyFPCB &
Key Pad
No
Yes
When one of the keys is
pushed,
is it displayed on the LCD?
Check the Dome sheet, Volume KeyFPCB or
HDC 600
.
No
Yes
END