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Flow Chart of Troubleshooting
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9-17
9-9. Key Data Input
When one of the main keys
is pushed,
is it displayed on LCD?
Check the Dome sheet and Key FPCB
END
No
Yes
Yes
Check Initial Operation
When one of the Touch
Keys is touched,
dose it work well?
Check the Touch Key FPCB
and ConToCon
No
Yes