Key Data Input - Samsung GT-B7300 Service Manual

Flow Chart of Troubleshooting

9-8. Key Data Input

Check Initial Operation
Yes
No
When one of the keys is
Check the Key FPCB
pushed,
is it displayed on LCD?
Yes
No
When one of the keys is
Replace the PBA
pushed,
KEY_IO signal is OK?
Yes
END
9-22
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