EML-L29V100R001 Advanced Maintenance Manual V2.1
Various faults may occur. For
example, various power supply faults,
or the phone cannot be powered on.
Sub-PMU, which
provides power
for SOC
peripheral
devices' I/O
VDD_PERI_0V75 has a power supply
fault, the phone cannot be powered on,
the system freezes, or the phone has
electricity leakage.
The phone cannot be powered on.
The phone cannot be powered on.
PMU 6422,
which provides
power for the big
core and GPU
The phone cannot be powered on, the
system freezes or restarts, or the phone
has electricity leakage.
The phone cannot be powered on. The
main symptom is that the phone access
Com1.0 automatically after powered
on.
The phone cannot be powered on or
charged.
The phone cannot be charged, the
phone has electricity leakage, or the
phone cannot be powered.
There is not backlight, and the phone
has a black screen.
The phone screen
is normal, but the
phone appears to
have a black
screen due to lack
of backlight.
There is backlight, but without display.
The phone has a black, white, or erratic
screen.
There is a fingerprint sensor,
touchscreen, or display failure.
The phone cannot start SuperCharge.
The flash cannot be turned on.
There are issues, such as temperature
sensor failure and image color cast.
The rear camera malfunctions.
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General
Weight and Dimensions
