Re: Isolation transformer

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Posted by Troy on 30, 2000 at 12:48 AM:

In Reply to: Isolation transformer posted by Joe Davidson on 29, 2000 at 6:11 PM:

Yes,
I know that some older Electrohome, and Wells Gardner monitors required an Isolation Transformer!
I had to get one for an old WG monitor and then later used it for a Electrohome!
I believe that most people don't run into this because they use the original CAB. wiring!
I didn't reealize that the Electrohome monitor needed one until I took it out of my Asteroids Dlx. CAB!

I believe the one I got was here:

http://www.happcontrols.com/amusement/monitors/80210000.htm

It's simple two inputs two outputs, ground is the chassie.

I can post a pic. if you need!
BEST

: I consider myself to be fairly knowledgable about general electronics, but I had never heard of an isolation transformer until recently.

: I bought a used cabinet and monitor, and the seller said the monitor's power supply wasn't working. I've decided that it may need a new transformer.

: Can I just take the 120 VAC from the wall into one winding and have 120 VAC coming out to the monitor through the other winding? What do I do with the grounding wire? Do I need any fuses or capacitors?

: The monitor is an Electrohome G07.

: Thanks

: Joe

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Comments:
: Yes, : I know that some older Electrohome, and Wells Gardner monitors required an Isolation Transformer! : I had to get one for an old WG monitor and then later used it for a Electrohome! : I believe that most people don't run into this because they use the original CAB. wiring! : I didn't reealize that the Electrohome monitor needed one until I took it out of my Asteroids Dlx. CAB! : I believe the one I got was here: : http://www.happcontrols.com/amusement/monitors/80210000.htm : It's simple two inputs two outputs, ground is the chassie. : I can post a pic. if you need! : BEST : : : I consider myself to be fairly knowledgable about general electronics, but I had never heard of an isolation transformer until recently. : : I bought a used cabinet and monitor, and the seller said the monitor's power supply wasn't working. I've decided that it may need a new transformer. : : Can I just take the 120 VAC from the wall into one winding and have 120 VAC coming out to the monitor through the other winding? What do I do with the grounding wire? Do I need any fuses or capacitors? : : The monitor is an Electrohome G07. : : Thanks : : Joe

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