3.11 Camera fail
First, change a new camera module, check camera connector ok or not;
Second, check AVDD, DOVDD, if fail check U1420
Third, use oscilloscope to test I2C, CAM_RST, CAM_MCLK, CAM_PCLK, MIPI_DATA,
and MIPI_CLK. If signals abnormal check U1200, re-hot or change a new one.
Camera fail
Is
camera
connector
soldering well?
Re-solder or
change new
one
Check camera ok or
not?
Check AVDD
DOVDD ok or
not?
Check each
signal of Camera
is ok or not?
Change
a
new
camera
Check U1420
related
component
Hot U200 or
change a new one
Y
N
N
N
Y
Y
N
