Bingo Pinballs

Created on 06-11-2010 - Last Updated 07-25-2010

 

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Tech issue #16

Message 1 in thread

From: Dave (low5@sympatico.ca)
Subject: Bally wiring colors and schematics.

 

Newsgroups: rec.games.pinball
Date: 2002-05-23 19:20:01 PST

Hello All, does anyone know if in a Bally game, old mechanical that is, does the wiring color remain the same from top playfield

wiring to cabinet wiring? What I mean is, if you find a red wire with yellow strips in one part of the machine, is it essentially the

same wire as another red and yellow one found in another part of the machine? Are there any downloadable schematics available on line.

 

Dave.

Message 2 in thread

From: Lloyd R Olson (ltg@ssbilliards.com)
Subject: Re: Bally wiring colors and schematics.

 

You would think so, but I wouldn't rely on it as 100 percent all the time. I had a schematic from another manufacturer,

beautiful huge fold out thing, and there in the corner was printed " due to wire shortages the wire colors may not be the

same in your machine".  And the old cloth wires do discolor with age. LTG :)

 

Phil

Message 3 in thread

From: phil (bingo@cdyn.com)
Subject: Re: Bally wiring colors and schematics.

 

I wouldn't bet on it.  Bally didn't have an infinite number of color combinations, so they needed to reuse the wire in

different circuits.  Bingos, for example, can use the same wire color more than ten times. 

On the manual/schematic, the difference is denoted by a suffix.  e.g. 74-1, 74-2, etc.

 

the colors are:

 

1 - red

2 - blue

3 - yellow

4 - green

5 - white

6 - brown

7 - orange

8 - black

9 - gray

0 - no tracer (e.g. 70 is solid orange)

 

take care, phil

 

~

 

Phil’s website has all of the Bally schematics posted and many from the other vendors – I have a few odd ones available too! It was common for both Bally and United to use the same wires colors over-and-over in any one machine, especially on the early bingos. In the later games, post 70’ like Dixieland, the wiring was pretty uniform and although they would still use the same wire color more than once in a given machine, the wires in the top box machined those in the lower box. Where applicable, the color-coding was listed in the Operators Manual:

 

 

If you’re going to start pulling your bundles apart to trace the wiring, you need to remember to be pretty careful about applying stresses on the wires when working near the modules and connectors, where the wiring terminates at solder joints – etc. Most of these machines are 40-50 years old now and the solder joints and wiring has been known to become brittle after all these years – I have some info on cleaning the cloth-wrapping if you want it, but I wouldn’t recommend it as a common practice – Any solvent no matter how innocuous, can get on the sensitive modules and bleed out the “already old lubricants” and damage and corrode the contacts and fiber parts – etc

 

ballycontrolsshwtme

~ Everything, including the wiring, is dense-packed in many of these Bingos ~

 

 

Your safest approach to wire trouble-shooing is to start with some “non-power” point-to-point ohm testing based

upon the schematic and module tags to trace your wiring questions, concerns, and problems.

Safer for you and your antique; really, pulling these bundles apart should be a last resort.

 

 

 

 

 

 

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

 

 

 

 

 

 
 
 
 
 
 
 
 
 
 
 
 

 

 

 

 

 

 

 

 
 
 
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