Ms PAC Galaga 20yr sound help

Bax

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So I have a friend that has had a this since new and all of a sudden the sound is going in and out. I haven't looked at it yet but where should I start? Pot on board?
 
there's 2 volume pots on those. one's like the master, that's mounted on the game board itself, and the other is like a remote, accessible via the coin door test panel.

I would have to believe you need to shoot contact cleaner into the one on the game board and wipe it back and forth several times. deoxit you can spray while the game is live, others you might have a risk of nuking stuff, so I would encourage either way to do this while the game is off.

if you're able to clean it up and have consistent sound again, make sure you don't drive the one on the board too high or else it'll come out sounding distorted.
 
Fixed. It was the volume pot that is remote by the test button. Should probably replace but got it working again!
 
nice.

UP UP UP DOWN DOWN DOWN LEFT RIGHT LEFT RIGHT LEFT RIGHT for Pac-Man if I recall ;)
 
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