Firepower
Williams, 1980You're currently viewing posts by Pinsider koen12344.
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The burn around those resistors is normal, they get really hot. You can replace them with jumper wires and replace the TIP42's next to it with MOSFETS.
Check out https://pinside.com/pinball/forum/topic/vids-guide-to-bulletproofing-williams-system-6
It's a great source of information on repairing and bulletproofing these boards.
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Schagen
Washington Court House, OH