Uploaded July 2021 | Updated September 2026, 5 hours ago

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In this video I go over work on a common Gottlieb System80 pinball problem - their pop bumper driver boards. There were several versions of this board, and all of them need to be modded to be more reliable and bullet-proof. Let's take a look and see how to make them work better than the originals.

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Part 1 here: youtu.be/3xV2edXiORg