Key Data Input - Samsung SGH-Z720M Service Manual

Flow Chart of Troubleshooting

9-9. Key Data Input

Check Initial Operation
Yes
No
When one of the main keys
Check the Dome sheet and Key Fpcb
is pushed,
is it displayed on LCD?
Yes
When one of the Navi keys
No
is pushed, Check the Dome sheet and LCD FPCB
dose it work well?
Yes
END
9-16
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