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Tuesday 21 November 2017 at 17:03
Quoted from wayout440:Dunno, kind of running out of suggestions....can the symptom be repeated, duplicated - perhaps post a video of what you are seeing?
After fiddling with this I think it's in the J1 on the MPU. When I move the connector the working displays will flicker. Only have player 2 & ...
Source: http://pinside.com/pinball/forum/topic/bally-displays-flickering-caused-by-back-box-wiring#post-4084553