Level 3 Repair
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8-7
8-3-2. Initial
Initial Failure
END
Re Check "8-3-1 Power on"
Trouble shooting process
Check the OSC4000, OSC500.
(Crack, open etc.)
Check the U5001.
(Crack etc.)
Abnormal
Normal
Change UME4000 that is ROM flashed.
Do not use Blank MEMORY.
Abnormal
Change PBA
Yes
Re-download latest SW on the
mobile phone.
Abnormal
Try the Boot Recovery by SD
CARD.
Follow the Recovery Guide.
Abnormal