Re: Re: Bulk buy on Wintron flybacks

The Amplifone monitor I have covers both 19" & 25". It specifies 19.5
KV at 0 uA beam current. It doesn't differentiate a different voltage
for the two screen sizes.

John Robertson wrote:
>
> If anyone has a 25" colour Vector monitor and a good HV probe I'd
> appreciate a reading...I would rather limit the HV to around 20KV, but
> Ampliphone doesn't mention the rated HV in the manuals I have for the 25
> inch tubes.
>
> 19Inch tubes are 19.5KV...
>
> John :-#)#
>
> At 02:04 AM 18/04/2002 -0500, Rodger Boots wrote:
> >Zonn wrote:
> > >
> > > On Wed, 17 Apr 2002 16:18:16 -0700, John Robertson <pinball@telus.net>
> > wrote:
> > >
> > > >Yes, no, maybe.... ;-) Revisions cost time/money. I'll see though.
> > Would it
> > > >be better to cut out if one of the two deflections fails? Or only if both
> > > >croak? As I anticipate this will draws it's power from the deflection
> > > >supply, if the Positive supply fails then so would the HV cage.
> > > >
> > > >An LED on the cage would be nice to show that at least it has some
> > power...
> > >
> > > Let me ask this, would this power supply have the 25kv over voltage
> > protection
> > > required by law? If so, this would be a good place to add more disable
> > logic
> > > since there is logic already there to disable the supply.
> > >
> > > If it doesn't, then this supply could not be used in build new
> > monitors, though
> > > as a hobbyist HV supply, it can probably be sold, since at that point
> > you are
> > > offering just an HV supply, and the buyer can do whatever they want
> > with it --
> > > though people buying these should be careful to set the voltage below
> > 25kv when
> > > installing them. Voltages above 25kv generate X-rays.
> > >
> > > -Zonn
> >
> >
> >Voltages above 16,000 generate X-rays, color CRTs have leaded glass to
> >control that.
> >
> >The power supplies being replaced seem to be mostly 19.5 KV. If they
> >make it to 25 KV X-rays won't be the only problem!
> >
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Received on Fri Apr 19 02:17:30 2002