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8-3-2. Initial (Lock up)
Initial Failure (Lock up when booting)
Re-download SW the phone.
Check the AP Reset
Check the oscillator clock waveforms.
32.768KHz : OSC500(C462)
OSC500 is operating when
phone is not in sleep mode
Change UCP300, PM500
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Download success
RESET_INn
Yes
Normal
Abnormal
Change PBA
END
If Phone do not go download mode, boot code area
No
of Movinand MCP is damaged.
It need to change the UME300(Movinand MCP)
No
Check the OSC500.
(Crack, open etc.)
Check the output clock waveforms and frequency.
※ Test condition (Oscilloscope setting)
: 20.0us.div (time division) @ 32.768Khz
Abnormal
8-6
Level 3 Repair
RESET_INn
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