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Level 3 Repair
8-3-8. Key Data Input
Check Initial Operation
When you pushed all of the
Key, does the key have
tension?
All of the key doesn't work
except POWER ON KEY ?
Yes
Yes
No
END
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No
Change Domesheet
Change Side Key(SIM Change Key or Torch Key)
Change Keypad, Dome Sheet
Yes
or
Replace the PBA
8-18
or
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