Road Kings
Williams, 1986You're currently viewing posts by Pinsider kbliznick.
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Quoted from btw75:Schematic is on IPDB. I went through a couple Sys 11 boards recently and was thinking flippers are not part of the special solenoids and that you have two issues.
Two of the gates that control the flipper enable are on U50. U50 is also used on two of the special solenoids, so they are related.
I'm going to say that multiple gates on U50 are bad.
The gate that turns on the enable to the special solenoids and flippers is probably not working (pins 11, 12 and 13). Thus no special solenoids)
But then the one that enables the flippers (pins 8,9 and 10) is probably stuck open so that the flippers always work.
Socket and replace U50 and this will probably be resolved.
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Phoenix, AZ