7-7. Key Data Input
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Check Initial Operation
Yes
When one of the keys is
pushed,
Isn't it displayed on LCD?
Yes
When one of the keys is
pushed,
KEY_ROW(0,4),
KEY_COL(0,4)
signal is OK?
Yes
END
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manuals search engine
No
Check the Dome sheet & Key Pad
No
Resolder V701,V702, 703, 704, 705
& ZD701, ZD702, ZD703
7-15
Flow Chart of Troubleshooting