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Saturday 11 November 2017 at 17:19
Let me just reiterate, I'm REALLY green on this hardware, and I just woke up. It looks to me like the slam tilt, tilt, & service switch all have individual wires running to them off connector A1J5 & aren't part of the switch matrix (the larger grid.) It seems possible that you've got a bad P...
Source: http://pinside.com/pinball/forum/topic/shaq-attaq-issue-with-led-transmitter-receiver-board#post-4068846