(Topic ID: 12655)

Zaccaria Hum in Speaker

By BillinIndiana

12 years ago



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#1 12 years ago

Any Zaccaria owners out there? I have my Devil Riders reassembled an noticed it has a hum through the speaker.. I have heard that this could be a ground issue on DMD games but what about this SS machine?

#3 12 years ago

Looks like the sound board has both, 2 screws and 2 stand-offs.. Back when I disconnected all the connectors so I could remove the PF I did find a loose ground in the backbox. It wouldn't reach back to where I thought it should go, so I attached it to another ground.. Maybe I'll undo that and see if it makes a difference?

Thanks for the reply, Bill in Indiana

1 year later
#5 10 years ago

It was the ground, I didn't have one of the lock washers on the screw for the sound board. I found it in the back box replaced it and gave the screws a extra crank and it took care of it.
Recently I had an issue with not having all my sounds, I was missing probably 75%. Ends up the MF10 filter, IC 20 was damaged. Replaced it and now have all sounds

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