(Topic ID: 268819)

Strange dmd issue

By chrismoore701

3 years ago



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#1 3 years ago

I just picked up a WWF Royal Rumble. The dmd starts up and is relatively good. It operates during play. But as soon as i go to adjustment is flakes out. And you can’t read it. Not sure where to check. Most topics are for issues all the time. And not like this. Any ideas on where i can start looking?

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#2 3 years ago

Any thoughts?

#3 3 years ago

Something to do with the high power being cut out when you open the coin door ?
Try pressing the coin door interlock switch and see if it comes on fully.

#4 3 years ago

Nevermind... he should check the voltages at the coin door.

#5 3 years ago

What and where do i check the voltages at the coin door?

#6 3 years ago

I just checked again this morning. The display is working. Still works with coin door open. But as soon as i hit the adjustment button. It now goes completely blank. Nothing happens when i push the coin door buttons

#7 3 years ago

I have a Bally’s corvette. With the same dmd. But i think it is other issues. What about the dip switches on the second dmd board

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