K4900 brightness

Bebopboom

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Donor 2024-2025
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So I just recapped a 4900 for my burger time cab and got it up and working but after like 4 minutes the screen is so washed out and the flyback is all the way down and so is the brightness. Is this a sign of a failing fly back or something else
 

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check the Black Level pot as well. also those adjust "backwards", turning left brightens it and turning right darkens it.
 
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