AMI G-120 Puzzle

cdc1960

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Bragg Creek, alberta, Canada
Hello! I have recently purchased an AMI G-120 that had been stored in a heated garage for approximately 20 years. While the machine lights up and the amp is functioning, nothing else is working, and it appears that the DC voltage is not making it out of the junction box.
I checked the output on the transformer in the junction box, and it is producing 38vac to the selenium rectifier. It's producing 31 vdc, and I've got 31vdc out the harness cable socket at pins 1 and 3, and 31 vdc out the mechanism cable socket at pins 1 and 4. That's the odd thing, I checked the entire junction box against the wiring diagram, and pins 3 and 4 at the mechanism cable socket are reversed, so that the positive side of the dc voltage is on pin 4, and input side from the mechanism to the junction box relay is going to pin 3. I placed them in the correct locations, powered up the jukebox, and immediately blew the 8 amp fuse on the ac side.Restored the wires to their as found positions. Lights work, but rest of the box is dead, save for the turntable which keeps spinning. Doesn't make any sense. any thoughts?

Chris
 

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