Level 3 Repair
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8-6
8-3-2. Initial (Lock up)
Initial Failure (Lock up when booting)
END
Check the AP Reset
RESET_INn
RESET_INn
Check the oscillator clock waveforms.
32.768KHz : OSC500(C462)
OSC500 is operating when
phone is not in sleep mode
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
Yes
Normal
No
Re-download SW the phone.
Change UCP300, PM500
Download success
Abnormal
Change PBA
No
If Phone do not go download mode, boot code area
of Movinand MCP is damaged.
It need to change the UME300(Movinand MCP)
