• Back to the future ppb vuk transistor burning up

    From Tmachcinsk@aol.com@Tmachcinsk@aol.com to rec.games.pinball on Monday, June 06, 2022 19:10:57
    From Newsgroup: rec.games.pinball

    Working on a bttf It has a new cpu and power supply from rottendog and a new ppb and display from x-pin. The game powers up and is fine until the vuk fires it will shoot the ball once and shut off but then 5 seconds later the vuk locks on and transistor that drives vuk is shorted. I replaced the ppb again and also replaced the vuk coil and had the same thing happen. Game starts ok fires once shuts off like it should then five seconds later transistor shorts.
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