Hello,
I have a 1972 Bally Fireball thats having a light flickering problem when the game is in play. Its as if the game is getting voltage feedback. I am at a loss. Any thoughts would helpful.
I have attached a youtube video for your viewing..
Bill
Looks like something is making intermittent connection, mechanically to make those bulbs illuminate. They have a common line and then a signal (to turn them on) line. You have to look at the schematic and start looking at common paths for those bulbs and start working your way through. Also helps if you have your location known, so maybe other local Pepple could help.
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La Verne, CA