Taito SI UR Board Issue/Wavy Monitor

nerdygrrl

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So I picked up a Taito SI that is having some board issues. I wasn't sure if this was one of those RAM issues that one sees and can easily diagnose or if I will be spending many lonely nights hunched over a table with my voltage meter.

When the game turns on I can here a SI like sound that just loops and the screen displays this wavy image. Sometimes it slows to a near stop, but mostly it just rolls/is wavy.

After I awoke from my wavy monitor induced seizure I was able to snap some photos.

*Also, though the boards have a Taito label and serial number they are stamped Midway made in the USA. I am not sure if it would make a difference if someone put US boards in it.
 

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Incentive bump-free t-shirt (from either my store shopenerdy.com or the diesel sweeties store) to the first person who can correctly diagnose this.
 
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