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I've found the solution to this issue is to remove the 100uF capacitor on the green line and short the pads with a wire. I hear someone is working on a new JAMMA adapter too :)

Yep

I haven't really dug in here but the sync levels are different between the IO board and direct video so maybe that's the issue. Glad you got it working!

Slightly off topic but I'm also missing the rear casters on my Astro City. Any help?

Thank you! I’ll check it out tonight.

I just checked for 120V at the chasis and I do have it. Not sure where to look for B+ voltage. Still no signs of life- no crackle, no pop when discharging the tube, obviously no picture. Any other ideas of what to check?

Blind as in audio without video? If so, yes. The MV1C uses 12V for mono audio, so the only thing left on the PSU side is -5V.

Yeah the cabinet was off while cleaning. I’ll take a close look now that I have the chasis removed and check for 120V st the monitor harness. Both fuses on the chasis look to be good (will check with multimeter). I’ve been told that it’s not likely to be the fly back if it’s not showing any...

I recently got my first original cabinet: a 2P Astro City. I bought it from a FB seller in California. I had it in my garage, hooked up to a few different JAMMA boards, and everything seemed fine. While cleaning out the cabinet with a shop vac and air compressor, I smelled the distinct smell of...