Arcade Collecting > Restorations & repair

Galaxian Restoration (Galaga/Galaxian switchable)

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Spyridon:
If you get the Galaga Enhancement Pack, it will add free play as well as changing the title screen from Gallag to Galaga.

Neverending Project:
I finally took a little time to make a Galaxian-to-Jamma adapter, so I could hook my Galaxian board up and see how she did in her own cabinet. (Remember that when i got this cabinet there was a Jamma harness hacked in, and the Gallag board was installed) So I followed the pinouts from Mikes Arcade (link) and wouldn't you know it, the PCB works great! The pinouts shown in the link above even short the diodes together, so I didn't need to modify the board at all to run on DC powre. It was fun to play Galaxian after all this time on Galaga - it is such a tougher game to play!

Now here's my current dilemma. I have a Mikes Arcade Jamma 2-1 switcher, but when I hook it inline with my game boards and their jamma adapters (Galaxian and Gallag) the coin/start buttons don't register. The video displays fine, however. But if I remove the 2-1 switch and plug my adapter directly into the cabinet harness, the game plays fine and all the buttons/coins work as expected.

I am pretty sure it is a wiring issue, and not something wrong with the 2-1 switcher. Any thoughts on a good place to begin trouble-shooting?

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