Donkey Kong dead control panel

zookeeper

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Does anyone have a schematic that shows where each wire goes to hook up a donkey kong control panel. After hooking the buttons & joystick back up none of the buttons work. Maybe a bad ground connection? Thanks!
 
For NOTHING to work, it's got to be a bad ground. It should be pretty easy to see which one ground is, it's on the outside bent lug on each microswitch.
 
I've got a ground wire thats not attached. It is split three ways, going to the speaker, contol panel latch, and.....where is that third connector suppose to go?

Thanks!
 
I've got a ground wire thats not attached. It is split three ways, going to the speaker, contol panel latch, and.....where is that third connector suppose to go?

Thanks!

That's electrical ground, you want the common ground. The one running to all switches.
 
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