Bingo Pinballs

This Page Last Updated 6-11-2010

~ This post is from the Google usernet forum Rec.Games.Pinball – A nice high-traffic arena for Bingo Q&A’s ~

Subject: Re: Bally Bingo Tilt Question
Date: 2001-06-02 20:47:17 PST

Question - "Fred Cunningham" wrote in message

Hi, I have a Bally Roller Derby machine. Yesterday, while I was playing, it just topped. It appeared to be a "normal" tilt. Well,

everything went dead. I pressed the red button to start a new game...no response. Put a nickel in...nothing. Turned

it off and on....the counter still shows the games, no zero score start.

I have the schematic and the manual. The focus of my investigation is around the anti-cheat relay, the tilt relay and the replay

reset relay. Nothing is burnt up or anything like that. The replay reset counter does not have 50V to the coil. The

anti-cheat relay neither. I cleaned all the contact just for lack of anything meaningful to do.

If you have any experience with this problem, please let me know.

Answer from Jeffery Lawton - Your problem is that the 50 volts went away. I would check the fuse socket. Bally bingo games

have terrible fuse holders. They look fine but do not make contact with the fuse. So, you look at the fuse and think all is well

when it is really open. Slip the 50 volt fuse out of it's holder. I suspect you will notice that one side slides out with almost no resistance.

When I get a game in, or start working on one I always check the tensile strength of the fuse holders. If any one fails, I replace

the entire bank. The holders can be purchased at any Radio Shack or electronics store.

Also, check the "jones plug" between the transformer and the fuse panel. I had a Cypress Gardens recently that played fine until

I put it in line with my other games, then all the lamps went out. fuse holders were all good but the jacks on the "jones plug"

were oxidized. After a good cleaning, my game lit up like a Christmas tree.

~ In the 1960 Roller Derby, the white power cord wraps around to a transformer just out of sight ~

~ Coming off that transformer and just in sight is the fuse bank the Bingo Doctor is referring to ~

Just as Jeff says, I have seen these worn out on many a Bally and even if not, they are worth checking over.

I have seen foil-wrapped-fuses stuffed in these and all kinds of bizarre work-arounds perform to circumvent problems.

Trying to remove the fuses and squeeze the contacts often works, but in some cases it only breaks the housings. You can replace

these with most any standard fuse bank – If your going to be soldering in your bingo, using an old leaded high-rosin solder is your

best bet – The chemistries match the original alloys used and the higher heat dissipated when the flux

activates helps solder the old bally wiring – When soldering a fuse-bank, 1st have the fuses removed.

~ You can use denatured-alcohol to clean the Jones-Plugs, but do not splash it around any of the modules ~

~ Wiping the terminals of them off with no solvent often is enough ~

~ Be careful in there, this is live A.C. circuitry when plugged in! ~

~ You can email with technical questions! ~

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