Arcade Collecting > Miscellaneous Arcade Talk

Pac to jamma wiring question

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Dav:
I think you'll find it doesn't matter  a whole lot.  If you read the bob roberts article mentioned by supergunguru you'll see bob feeds  the 12v in before the ac w/o any problem, same with the ground.  The 5 volts is more precise than the 12 so you'll need to attach it after the AC or backfeed it in through the +5 output. 

I believe if you go to 2bit's site and look up the adapter they'll have the manual on line and you can hook it up exactly like is recomended.  However if you're going to be testing different boards I would recomend seeing if it's possible to modify your adapter to match Bob's backfeed design to avoid using any wires.  I use a backfeed adapter all the time w/o any problems.

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