Has display image
only white?
No
Yes
Next page.
No
Yes
Is pin 41
cable of CN6
well connected?
Connection trouble.
Check the output of scalier
(pin 70, 99, 100, 101)
and soldering of CN6.
No
Yes
Is pin 1
of Q16 3.3V?
Check Q16, its ambient
circuit and pin 26 of -com.
