Super Mario Bros.
Gottlieb, 1992You're currently viewing posts by Pinsider ScottyC.
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Error message looks to pretain to something with U1 on the control board (low voltage or something)
Here's a lot of pics I've taken of my Super Mario Bros. for comparison.
https://goo.gl/photos/dWLYix1txnADwii27
test button > Left flipper > then test button until Game Adjustment 32 for language setting. (If you can get that far)
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