I was going through some old videos that had been uploaded to YouTube that for some reason were not made public and found this one. It’s a short video on how to go through the diagnostics on these 80s era Bally pinball machines and track down switch matrix issues. I don’t go into how the matrix works in this particular video, but I do demonstrate how a stuck switch can cause odd behavior. In this case, the tilt triggers when a certain target is hit.
In this installment, I’m working on a Flash Gordon pinball machine. There’s a common plastic part that breaks that is very difficult or expensive to replace. I go over how to replace this part by fabricating your own plastic lane guide using common parts from local hardware stores.
In Part 2, I take things a step further by adding a metal reinforcement plate to keep the guide from breaking in the future, and I show off some amazing playfield paint touch up work and use lacquer to seal the touch-ups: