Re: Re: 6100 HV transformer in an Amplifone HV PCB

There are step by step instructions on how to do this already online, I have
seen them.

Of course I don't remember where, but I'm sure it could be found.

> Sorry to chime in late, but I recall an ebay auction several years back- it had
> an amplifone w/ a 6100 cage. The description read "yes, what you see is a 6100
> HV cage running on an amplifone- it works (if you know what you're doing)"
>
> hope your mod works out,
> James Hagen
>
>
>
> >
> > From: "simon hanlon" <simonjhanlon@btopenworld.com>
> > Date: 2006/03/13 Mon AM 07:36:23 CST
> > To: <vectorlist@vectorlist.org>
> > Subject: Re: VECTOR: 6100 HV transformer in an Amplifone HV PCB
> >
> > I now get aB+voltage of 181v !! I tried adjusting the frequency of the 555
> > and I can adjust B+ from around 150 to 200 so its looking good. I also found
> > the 7924 was fried by the RED so I will replace that and try it in the game.
> > finger crossed
> >
> > ----- Original Message -----
> > From: "simon hanlon" <simonjhanlon@btopenworld.com>
> > To: <vectorlist@vectorlist.org>
> > Sent: Monday, March 13, 2006 12:22 PM
> > Subject: Re: VECTOR: 6100 HV transformer in an Amplifone HV PCB
> >
> >
> > > Ok I replaced the Bu406d last night as the old RED killed it. This morning
> > > I drilled some holes in the Amplifone HV PCB, cut all the unsed pins off
> > > the WG transformer and soldered it in place. I wired the HV pcb up to 4x
> > > 12v nicads in a +24 -24 setup. I have a 12v bulb across the heater output
> > > and I'm getting 6v AC, I have focus, screen voltages and also Anode
> > > voltage but the B+ is missing. I need to add a 10uf 350v cap across the
> > > b+diode and the -24v supply and that should work also. I am going to try
> > > it on the tube later and see if it gives a good picture.
> > >
> > > ----- Original Message -----
> > > From: "simon hanlon" <simonjhanlon@btopenworld.com>
> > > To: <vectorlist@vectorlist.org>
> > > Sent: Sunday, March 12, 2006 10:06 PM
> > > Subject: Re: VECTOR: 6100 HV transformer in an Amplifone HV PCB
> > >
> > >
> > >> Yeah will do John, the later 6100 had over voltage protection similar to
> > >> the Amplifones, the wire that goes to Gnd from the focus block instead
> > >> goes to the base of a 3904 so I will make sure that is connected the
> > >> same way. I have to drill some holes in the Amp PCB to fit the
> > >> Transformer and run some wire links. The focus block fits in place of the
> > >> old Amp one. I will also measure the HV with and without the MCI can. The
> > >> 6100 HV transformer has a few windings that aren't used....looks like a
> > >> Raster flyback to me, didn't the Disco use this Transformer?
> > >> I have just fitted a 25" Crt to my SW so don't worry, there is no way I
> > >> am going to ruin that by being careless!
> > >> ----- Original Message -----
> > >> From: "John Robertson" <jrr@flippers.com>
> > >> To: <vectorlist@vectorlist.org>
> > >> Sent: Sunday, March 12, 2006 9:44 PM
> > >> Subject: Re: VECTOR: 6100 HV transformer in an Amplifone HV PCB
> > >>
> > >>
> > >>> Before you hook it up to a tube, it would be best to do a power up test
> > >>> using a HV probe to verify that you get only 22KV or so. Much more than
> > >>> (28KV+?) that can lead to soft x-rays...that was one other reason I went
> > >>> with my raster kludge, the raster monitors had overvoltage shutdown
> > >>> built in.
> > >>>
> > >>> John :-#)#
> > >>>
> > >>> At 7:54 PM +0000 3/12/06, simon hanlon wrote:
> > >>>>The heater output will be the same as used by the Amp as all it is is a
> > >>>>bit of wire wrapped around the core 3 times and connected to ground by a
> > >>>>.3ohm resistor, I will measure for 6v before connecting to the CRT. I
> > >>>>have notice that I will need a 15ohm resistor and a 350v 10uf cap to get
> > >>>>the 180 b+
> > >>>>----- Original Message ----- From: "peter jones"
> > >>>><highwayman2000@mail.ru>
> > >>>>To: <vectorlist@vectorlist.org>
> > >>>>Sent: Sunday, March 12, 2006 7:50 PM
> > >>>>Subject: Re: VECTOR: 6100 HV transformer in an Amplifone HV PCB
> > >>>>
> > >>>>>Hmmm.
> > >>>>>
> > >>>>>make sure you use a hv probe and stand at the *side* of the tube, not
> > >>>>>infront or behind it.
> > >>>>>
> > >>>>>and the heater probably wont work, or it will blow the tube element.
> > >>>>>
> > >>>>>if the wg has a different number of primary turns then the heater
> > >>>>>output will be wrong - maybe very wrong.
> > >>>
> > >>>
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> > >>> chris@westnet.com
> > >>
> > >>
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> > >
> > >
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>
>
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Received on Mon Mar 13 12:24:12 2006