New to the forum and owner of DM for about 5 years. It's been good for the most part other than a new opto board for the croyo claw. Now the underground, the top sink hole and the retinal scan all stopped working at the same time. THey get stuck in their respective spots. When the ball search is initiated all the balls will eject so I believe the solenoids are all working. Anyone know if these features are linked in any way? I did notice a couple of wires hanging loose under the playing field but can't exactly see where they would have been attached as they have a very short length (2-3 inches). I've attached some photos of the area for reference. Any thoughts?

Thanks in advance!

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Thanks! That's what I was thinking but wanted some additional feedback. I'll look at the schematics as well to verify. I have an old style soldering iron. Is there one I should look to get that won't cost me an arm and a leg?
Cheers.

So as I look at the schematics (and I'm not sure what I'm looking at since I'm no electrician) I don't think that is the problem as the wires are connecting to the upper flipper. if I tie the wires together then the flipper switch is stuck open. Going back to the original issue of loss of functionality as earlier stated "Now the underground, the top sink hole and the retinal scan all stopped working at the same time". Any other thoughts?