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Can't power on (Turn-on event )
• VPH_PWR exist and without press power key，
Check PM_KYPD_PWR_N voltage should be 1.8V
– Confirm U1101 appearance and X-ray，Try to
re-heat U1101.
• VPH_PWR exist and PM_KYPD_PWR_N with1.8V
press power key， there should be
PM_KYPD_PWR_N high to low transition
– Confirm R1303 and SW1401 appearance , Try
to re-heat or replace a new device
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