Tempest board problem

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Published on ● Video Link: https://www.youtube.com/watch?v=0Lieo8NZfVY



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I'm working on a Tempest and although the game runs, the graphics are messed up. When I first tested it there were no error tones, but today it came up with a RAM error sequence of 7 low and one high. With luck it's just a bad RAM.







Tags:
arcade
tempest
repair