Level 3 Repair
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8-7
8-3-2. Initial
Initial Failure
END
Check the PMIC Reset
EXTRESET_N(R5022) =
VBATT(High)
Yes
Check the U5005 and R5022 (crack, open, etc.)
Check the oscillator clock waveforms.
32.768KHz : OSC7000(C7042),
24MHz : OSC6000(C6096)
Check the OSC7000, OSC6000 and R6086.
(Crack, open etc.)
Check the output clock waveforms and frequency.
※
Test condition (Oscilloscope setting)
: 20.0us.div (time division)
Abnormal
Yes
Normal
No
Re-download SW the cell-phone.
Change UCP6001,U7002
Abnormal
Abnormal
Change PBA
