Re: Amplifone HV Trans question...

From: Rodger Boots <rlboots_at_cedar-rapids.net>
Date: Wed Jun 14 2000 - 14:49:07 EDT

The term "flyback" might be misunderstood here. Even the switching power supply in
your computer putting out only 5 volts is probably using an inductor in flyback
mode.

Jess Askey wrote:

> someotherguy wrote:
> >
> > Do you have a dead WinTron, or just an old dead Amplifone HV transformer?
>
> Dead WinTron... yes they die too. Mine was running very hot the whole time tho.
> Im thinking I have a bad MC1 because I replaced everything else. :-( Except,
> the new one works fine.
>
> >
> > Anyway, you probably already knew this (and forgive me 'cause I'm
> > definitely no monitor guru) but when talking with manufacturers, you might
> > confuse them by calling it a flyback. It's my understanding that only
> > raster monitors use flybacks, while a vector monitor uses what is truly
> > just a high voltage transformer, not needing a flyback circuit like a
> > raster monitor does.
>
> Yep, I know. The term flyback definitely does not apply with the WinTron.
>
> jess
>
> >
> > Richard
> > http://people.atl.mediaone.net/someotherguy
> >
> > At 08:18 AM 6/14/00 -0600, you wrote:
> > >Hi all,
> > > I have disected my dead WinTron HV transformer just to see what the
> > > hell is in there.
> > >Well it is pretty straightforward. Looks like they use a capacitor/diode
> > >multiplier in
> > >there to get the anode voltage off the focus winding. I didn't think most
> > >HV transformers
> > >did this but I really don't know much about flyback type transformers.
> > > Im talking to some manufacturing companies about getting this remade
> > > (cheaper?).
> > >Hopefully I can make more progress than the others that tried to get this
> > >beast copied.
> > >Anyway, I don't want to send the WinTron out to the manufacturers because
> > >I fear I will
> > >not get it back. So, Im documenting it all myself. Im about to unwind and
> > >count all the
> > >windings. Does anyone have any suggestions on how I can find out the wire
> > >guages, I don't
> > >have any references here and a few are extremely thin (~36 guage?)
> > > Also, if anyone has any EM experience, Im trying to figure out the core
> > > type. Is there
> > >any way to find out the core type after the fact like this?
> > >
> > >thanks for any input...
> > > jess
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--
Windows:
32 bit graphical interface for a
16 bit patch for an
8 bit operating system written for a
4 bit processor by a
2 bit company that can't stand
1 bit of competition.
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Received on Wed Jun 14 15:01:33 2000

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