Pinbot flashers

YODAinMN

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Trying to trace why the top three amber flashers (ones that look like police lights)are NW on the top of the PF. I believe that one of the sloenoids under the PF that drive them are out. I tested the bulbs and they work. Anyway to test theses? I need to find some schematics for it too!
 
Flashers don't use solenoids. I believe Williams was using those flashers boards at that point. It's just a couple resistors. They are notorious for burning up...or de-soldering theirself from the massive amount of heat they generate.

They do, also, have a driver transistor....just like a solenoid. It can go bad.

Edward
 
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