Pacman to Jr. Pacman conversion ??

supercharged

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Just got a Jr. pac in an original oac cabinet.

My known working pac boards will not run in it.

Th jr. pac board works just fine and the pac boards all work when I put them back in the other cab I have.

What am I missing? Thought they interchange?
 
Chances are you have a Mappy wiring harness in a Pac-Man cab to use a dedicated Jr. Pac-Man PCB (dedicated PCBS had the same pinout as Mappy and shipped that way). You need a Pac-Man wiring harness.
 
Does the cabinet have a switcher in it or the original pac transformer?
Dedicated JR pac used DC input and pacs had AC input. The conversion Jr pac pcb will accept AC so its plug and play. If the JR pac board runs in the cabinet then the pac board should too. The only thing I can think of is maybe the pac board was modded for DC and the cab is AC. Post pictures of both boards so I can see what your working with.
 
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