World Cup Soccer
Bally, 1994You're currently viewing posts by Pinsider chrishibler.
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Measure the regulated 12V on the driver board.
This 12V used for opto processing might be low.
This might be caused by a leaky cap at C2 on the driver board.
https://www.pinwiki.com/wiki/index.php?title=Williams_WPC#.22Jittery.22_Opto_Switches
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Chris Hibler - CARGPB #31
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Chesterfield, MO