You are right of course.
Much higher voltages in the old CRT tv's.
Still, I have changed out more flyback transformers than I can count,
having said that I am guessing it was mostly the triplers inside failing,
and as they were all potted there was not much you could do.
This was over 35 years
TV flybacks of yesteryear are an entirely different animal.
First, the flybacks in TVs ran at much higher voltages, up to 25kV for
color sets.
Second, the earlier versions were wax-impregnated. So, when you have a TV
set with a lot of tubes you have a lot of heat, and after a few years, just
Hi Paul,
It looks like you have put a lot of time into it.
Re: Temperatures.
John Taylors supplies get as hot as hades when running at high loads also.
It will take me some time to digest this.
The only real issue I have with flyback designs is, once you have a design
worked out you are sort
After seeing this clock, I was browsing in my garage and found some
aluminum pipe that just might fit this application, minus the seventh
digit. I have plenty of IN12s to make this one up, now I just need to find
a kit that might fit.
If anyone is planning making a clock kit, I know I would
Glorious!
Anyone got a schematic?
Nick
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What are the tubes in there? NEC CD56?
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I open sourced my flyback converter. If you use it for commercial purposes I’d
be grateful if you gave me a credit.
http://www.nixies.us/projects/nixie-tube-power-supply/
You would have to modify it to get the voltages you want. That might just be
modifying the feedback. It is all documented
