Key Data Input - Samsung SGH-F330 Service Manual

9-9. Key Data Input

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