Arctic Thunder sound issue

modessitt

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I just replaced the bad monitor in an Arctic Thunder, and am now up and playing, but I have no sounds.

Here's what I know so far:

1) Volume is maxed out in the on-screen adjustment.
2) All speakers are hooked up and functional.
3) All connectors appear to be connected between the speakers, the sound board, and the computer output.
4) The two LEDs on the sound board do not light.
5) No fuses are blown.
6) I have +5 and +12 to the little transformer mounted next to the soundboard, and the same voltages out to the sound board, so my power is there.

So why do I have no sounds?

I guess the next step is to hook up some computer speakers to the computer output to make sure the sounds are being output by the computer, but I think no LEDs on the sound board means a power problem on that board somewhere?

And the seat isn't hooked up, but I don't see why that would keep the sounds from playing. There are no speaker outputs to the seat....
 
Bueller?

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Usually, if "you" don't know, it's a mystery. I look to you for all my troubleshooting needs. I will say that most Midway boards after MK used -5v for sound. Don't know about this one in particular, but just a guess.
 
Well, the mystery has been solved. The seat DOES need to be connected for the sounds to work....
 
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