820-2530 board no back light

turbo

Member
820-2530 board , no back light... now i change the led driver ... getting around 19v in back light rail. when i did connect the power from logicboard screen blink . with light .... im thinking which rail control the back light brightness might be down any , idea thanks
 

dukefawks

Administrator
Strange, it is boosting but 20V is not enough. Was the problem the same before changing the chip with the 20V on the output?
 
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