Jamma plus/Jamma question

I bought a combatribes PCB which is Jamma plus, but I intend to you use it in a Jamma cabinet. I tried plugging it in, but it didn't work. I don't get anything but a white screen. I thought the plus was for additional controller movements. In case of this game, a third player. Should I still at least be able to get a picture from this game if its plugged into a jamma harness?

Yes, it JAMMA+ stuff will sitll function on a normal JAMMA setup. Make sure all of your voltages(+5,+12,-5) are working.

Reznor007 said:

Yes, it JAMMA+ stuff will sitll function on a normal JAMMA setup. Make sure all of your voltages(+5,+12,-5) are working.

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It's working, I tried two other boards and they work fine.

probably the board has a failure.