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(Topic ID: 276125)

Dual EOS Switch Wiring Issue


By TheChad

53 days ago



Topic Stats

  • 9 posts
  • 4 Pinsiders participating
  • Latest reply 52 days ago by TheChad
  • Topic is favorited by 1 Pinsider

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#1 53 days ago

I'm at what feels like the home stretch of restoring my Bally 1984 Eight Ball Deluxe pin. I'm stuck on the Dual EOS on the lower left flipper and the upper left flipper single EOS. Got the new Dual EOS and (I know I'm wrong) hooked up and am getting almost zero movement out of my upper flipper when engaged. I'll get an initial sign that it gets se power. Enough to make it twitch, but will not play otherwise. The lower flipper seems to work great. I'm positive I've wired the Dual EOS wrong but can't grasp the concept of the wiring. I made sure I spent a lot of time researching before I came here asking you fine people for help.
Attaching pics - go ahead raz me for my poor soldering work - I'm working on it, and embarrassed at my current skill level.
Also, as a side note: when I hooked up my duo eos it seems to have caused my perfect functioning right flipper to lose a little power andy display to have flickering in the ball count and lower right score display. It's happened before and gone away once I rectified whatever other issue I've had. Thanks in advance for taking the time to read this. You guys rock.

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#2 53 days ago

As a side note. Yes my contact screws are too long, they came like that and will order new soon.
Coils are brand new, lower flippers are all rebuilt.
Upper still needs a new bushing and arm.

I'm hoping to make a post of my restoration in the future. Looking forward to your thoughts and comments and see if I can make my fellow pinheads proud.

#3 53 days ago

Try just alligator clipping across the lugs for the secondary EOS. that should take it out of the equation, and the upper flipper should still work.

#4 53 days ago

It’s also possible that since these are new, you have a bit of oxidation on the contacts. Clean with alcohol, followed by cleaning the contacts by closing them and pulling a business card thru them until the card is clean. Of course, all while powered off.

#5 53 days ago
Quoted from zacaj:

Try just alligator clipping across the lugs for the secondary EOS. that should take it out of the equation, and the upper flipper should still work.

Do you mean to test?

#6 53 days ago
Quoted from TheChad:

Do you mean to test?

Yeah. If that fixes it, or doesn't fix it, it will help narrow down the issue

#7 53 days ago

Thanks for the tips. Gonna go try them now. Wish me luck

#8 52 days ago
Quoted from Billc479:

It’s also possible that since these are new, you have a bit of oxidation on the contacts. Clean with alcohol, followed by cleaning the contacts by closing them and pulling a business card thru them until the card is clean. Of course, all while powered off.

I agree new EOS switches can be problematic, but I would be more aggressive. They aren’t gold plated scoring switches where you need to carefully clean them with a business card. Take a points file and burnish them a little bit. Won’t take much to get a solid connection so current can flow.

#9 52 days ago
Quoted from dothedoo:

I agree new EOS switches can be problematic, but I would be more aggressive. They aren’t gold plated scoring switches where you need to carefully clean them with a business card. Take a points file and burnish them a little bit. Won’t take much to get a solid connection so current can flow.

I ever so slightly filed them and got a little more power but I'm still no where near where it should be, and now occasionally activates a thumper bumper before eventually resetting.
I'm sure this is a wiring issue that I'm simply missing. I'm still learning the circuitry end of how a pin functions, bare with me.
According to my pictures above and this wiring chart can you help identify my problem. Thanks in advance

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