820-2850-a no backlight only when battery is plugged in

nelo1012

New member
I got this board that works fine when is running from the power adapter but if I connect battery the backlight goes away. Thanks in advance.
 

dukefawks

Administrator
Voltage on R9731 pin 2? Voltage on PPVOUT_S0_LCDBKLT? Measure with LCD connected and battery of course.

I assume you did a PRAM reset already!
 
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