(Topic ID: 212150)

School me on isolation transformers

By Jason43

6 years ago



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  • 6 posts
  • 4 Pinsiders participating
  • Latest reply 6 years ago by Phat_Jay
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#1 6 years ago

So I've got two go7 monitors with their respective transformers that i want to use in a couple projects. Problem is, i know Jack shit about wiring the original transformers. These are going in machines that have new switching power supplies and i want to use these strictly as isolation transformers for the monitors. How does one decipher which tab is which on one of these bad boys?

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#2 6 years ago

Unfortunately, you'll have to find schematics of where those came out of to be able to tell.

I'd love to be wrong, but I don't believe you could find the right 1 windings just by ohming out the leads.

#3 6 years ago
Quoted from Coyote:

Unfortunately, you'll have to find schematics of where those came out of to be able to tell.
I'd love to be wrong, but I don't believe you could find the right 1 windings just by ohming out the leads.

I suspect you are right...have to identify primary and secondary windings before anything can be sorted....maybe impedance could give a clue....

#4 6 years ago
Quoted from MK6PIN:

I suspect you are right...have to identify primary and secondary windings before anything can be sorted....maybe impedance could give a clue....

Usually those would be pinned out in whatever games they came from, if you know?

(Interesting, 1 : 1 turns into that rocker smilie. In case anyone reading this in the future is confused.. I did not mean that. I meant 1-1 widings..)

#5 6 years ago

Well, this particular TF/Monitor came out of a video poker machine. Not even sure if there's a schematic available. Thanks all.

#6 6 years ago

I wouldnt screw with it, no sense blowing a monitor on a cheap unknown. Buy a new one here: http://www.arcadeshop.com/i/1346/monitor-isolation-transformer.htm

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