Omaha, NE
Corroded contacts?
(Topic ID: 280647)
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Never had the "joy" of working on connectors before? You're in for a fun time.
When you have a pinball problem - very often connectors are to blame.
They will often bend out of shape like photo that quench posted. And you will often see corroded contacts, broken contacts, burnt contacts.
The plugs have a limited number of insert/remove cycles. After that, they start getting sloppy. And if my memory is working tonight - it is a pretty low number, something like 20 or so. Once they start getting sloppy - the problems start. Usually Intermittent connections or high resistance connections resulting in burned connectors.
There are many, many types, sizes and pin counts of connectors used in pinball machines--
No easy way to describe the types - easiest would be to browse through main types of connectors as shown here:
https://www.greatplainselectronics.com/categories.asp?cat=35
The one shown by Quench is a Molex KK style, 15 pin, 0.1" contact spacing, part number 22-01-2157 as found on this page:
https://www.greatplainselectronics.com/products.asp?cat=68
These used to be "brick red" in color as shown in Quench's photo but now they're mostly white.
This connect shown has one keying plug (15-04-9209) plus contacts such as 08-52-0123 or 08-50-0114.
In your machine - you will see several 0.1" and 0.156" connectors plus a few 0.093"
And you will need a crimp tool. Lots to pick from and lots of choices out there. At that website - I would go with the 1026-CT or 1028-CT from Sargent. But there are several choices on Amazon and other places as well. Some people go with the Waldom W-HT-1921... I hate them.
You can find some choices here:
https://www.greatplainselectronics.com/categories.asp?cat=138
First thing to do - Look at your connectors for burned spots, that's frequently the first sign.
If you don't know what a connector is - post a photo in this forum and somebody will be able to identify it.
Another good place to look for information is pinwiki.com
Edit -- ok, 22-01-2157 is out of stock and isn't on that page. Closest is 22-01-2155. There is also sub CS100-15-LR
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