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Monday 2 April 2018 at 17:34
Quoted from srcdube:I got fooled once with something similar. I thought a signal was toggling with my logic probe but it actually wasn't. Compared to other pins the bad pins made the logic probe beep but only one of the hi lo leds were flickering so it looked and sounded like it was toggling. For...
Source: http://pinside.com/pinball/forum/topic/home-for-the-gottlieb-sys1-sys-80b-guys-yep-i-guess-it-a-club/page/40#post-4315719