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Flow Chart of Troubleshooting
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10-19
10-9. Key Data Input
When one of the keys is
pushed,
is it displayed on LCD?
Check the Dome sheet & Key FPCB
END
No
Yes
Yes
Check Initial Operation
When one of the keys is
pushed,
KEYSENSE(0)~(4),KYPD9~17
Replace the PBA
No
Yes