(Topic ID: 290146)

Bally 8 Ball No feature lamps, GI Lamps work

By FourteenGreg

1 year ago

Topic Stats

  • 4 posts
  • 3 Pinsiders participating
  • Latest reply 1 year ago by FourteenGreg
  • No one calls this topic a favorite


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    #1 1 year ago

    Hi Folks!

    First post on pinside. I just got into Pinball and am looking forward to working on my machines. I have some electronics skill but am trying to get better.
    The 8 ball seems to work fine except that the feature lights don't seem to work. The GI lights are all on and working. I tested the rectifier board test points and test point 1 was not right. I got lilke .017 and it's suppose to be 5.4 dc

    I just thought I'd post about it here. This is as far as I've got in my trouble shooting and I'm still researching/reading about what to do next.

    Thanks for any thoughts people have! happy to be here

    #2 1 year ago

    Hi. Check for AC at input to BR1 on the power supply. May be as easy as a blown fuse (F1) or a cold solder joint on a leg of the bridge rectifier.

    #3 1 year ago

    Weakest link in early Bally games are the connectors to the header pins. Do yourself a favor and get an assortment of .100 & .156 connectors and pins. Plus a good crimper. Do all the .156 of the rectifier. Great Plains Electronics has everything you'll need.

    #4 1 year ago

    Thanks nplg I checked BR1 and got a low AC at that point I checked the fuse for continuity and it seems good. The fuse is 10A 32volt. I need to stock up on some fuses so I don't have any new ones I can just drop in. I'm just going to replace all the fuses with new ones.

    tomdrum Thank you very much! I will do that. Putting in an order right now for various parts I need.


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