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Quoted from ForceFlow:Do you have a leaking battery on the MPU?
No. The boards have all been checked and are fully working….
Quoted from PghPinballRescue:I am going to bet this is an issue with the daughter board on the right side of the MPU.
Do a quick google search for Piggy Deux and buy one. I have fixed many 80Bs that did this exact same thing with a Piggy Deux.
Ok I will order one… thanks!
Quoted from mrm_4:My Gold Wings froze up intermittently when I first got it which led me to do the ground mods on the boards in the back box and the ground mods in the cabinet. Get a new power supply board and then that Piggy Deux board ended up being the golden ticket.
This is a great guide:
https://www.pinwiki.com/wiki/index.php?title=Gottlieb_System_80
Already have the power supply board with ground.
image (resized).jpgQuoted from mrm_4:I have that same power supply but the other boards need to have a ground added by soldering a wire on the ground line and attaching it the ground on power board.
Here’s a couple shots of what I mean
[quoted image][quoted image]
Ok I’ll add those
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