Re: Amplifone HV Trans question...

From: Tek <mypearl_at_dds.nl>
Date: Wed Jun 14 2000 - 17:30:46 EDT

Yes, but isn't that arrangement part of of why it is called flyback, because
normally the spot 'flew back' when it was invented?

Rodger Boots wrote:
>
> DUNNO, not familiar with the circuit. The point I was trying to make is a "flyback" circuit
> depends on the collapse of the magnetic field in an inductor or transformer to provide the
> desired output power. If the circuit is arranged like that (like the horizontal output on a
> raster monitor, for example) the transformer is being used in the flyback mode.
>
> Jess Askey wrote:
>
> > So is the MC1 unit (contains 3 inductors) on the primary of the HV Transformer basically
> > making this a 'flyback' circuit anyway?
> >
> > jess
> >
> > Rodger Boots wrote:
> > >
> > > 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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>
> --
> 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.
>
> ---------------------------------------------------------------------------
> ** To UNSUBSCRIBE from vectorlist, send a message with "UNSUBSCRIBE" in the
> ** message body to vectorlist-request@synthcom.com. Please direct other
> ** questions, comments, or problems to neil@synthcom.com.
---------------------------------------------------------------------------
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Received on Wed Jun 14 17:41:27 2000

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