Just bought a pinbot in super condition same owner since new. So took the backboard off and there were no flasher bulbs so I put some LED flashers in and the were on 30 seconds later smoke started to come out the flashers. Quickly shut off power bulb was so hot I could touch it. Any ideas why that would happen?
Yup, there are two different types of flashers in a Pin bot. The flasher you saw smoking are actually a higher voltage. I think I had a thread on this a while back. Let me do some digging and get back to you.
https://pinside.com/pinball/forum/topic/issue-with-pinbot-flasher-circuit-when-using-led-replacement
Try giving this a read and see if it clears things up...
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Topeka, KS