Arcade Collecting > Miscellaneous Arcade Talk

Transformer interference in cocktail games?

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2PacMan:
Has anyone ever heard about this.  The guy at the repair store said the transformer located under the monitor was causing interference, thus making my game have light vertical scrolling lines in the screen.  I'm assuming the transformer is under the metal plate that says "do not remove".

Can i just lay another piece of metal on top of the metal cover for additional sheilding, or will that damage the game??

Anyone else have this problem?  When i open the game up, and the monitor is away from the inside of the cab, the wavy lines go away. ..it's a cocktail by the way.

HaRuMaN:
try taking a piece of tinfoil and covering the power supply with it

RayB:
Since the table was designed that way, I'm wondering if there isn't perhaps some other issue, such as the grounding's broken or the voltage is no longer stable...?

2PacMan:
Well, it looks like whoever owned the game before me fiddled with that metal plate cause it was all bent up.  I tried to bend it back and re-screw it down, but it's still up in a few areas...can i wrap that box area in tin foil??  Does the thickness of the cover make a difference, or does the whole area just need to be sheilded?

I could try covering the power supply....where exactly is that inside the machine??

I just had a new grounding plug installed on the end of the machine, so hopefully that's not the problem.

HaRuMaN:
The transformer is part of the power supply...  any thinkness of tinfoil should be fine, as long as it covers it completely.  Just make sure you don't cover any up any fans.

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