Quoted from rotordave:Hmmmmmm ... looks suspect. Lol
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Loose Copper winding touches the metal second flipper switch which is right next to the coil ... coil fires ... boooooom goes the CPU.
rd
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That’s funny. I had a similar experience. My u20 went out but did not melt. The guy I bought my Johnny broke the lug off the shooter coil and had the wire from coil hanging out and shorted on the second flipper (hand control) switch.