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Flow Chart of Troubleshooting
9-18
9-7. Key Data Input
Check Initial Operation
Yes
When one of the keys is
pushed,
MAIN_KEY_ON signal is OK?
Check the Dome sheet & Key Pad
or
Clear Between front and PBA
or
Resolder U400
No
Yes
When one of the keys is
pushed,
Is it displayed on LCD?
Replace the PBA
No
Yes
END
Содержание SGH-J210
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