RE: Wintron install: Does this look right?

Are you checking the correct point on the 7924? Pin 3 should test
around -24v (regulated output) (I have a working major havoc that tests -17,
not optimal but it works), pin 2 should test around -30 volts (unregulated
input, typically -32 to -33 volts). If you are getting more than -24 out of
pin 3, your regulator is suspect.

> -----Original Message-----
> From: owner-vectorlist@synthcom.com
> [mailto:owner-vectorlist@synthcom.com]On Behalf Of Dan Rasmussen
> Sent: Tuesday, October 23, 2001 10:06 PM
> To: vectorlist@synthcom.com
> Subject: RE: VECTOR: Wintron install: Does this look right?
>
>
>
> No joy... When I first hooked up the HV board with the
> Wintron I was blowing both the fuses on the deflection
> board. When I pulled the board I found that the 7924 had
> shorted. I replaced it and gave the board the once over
> (followed the FAQ more closely this time). On step six I'm
> checking the +/-24 and find that the -24 is at -33 and the
> +24 is at +21.6 (which is out of the range in the FAQ
> though it later sais not to worry too much).
>
> No spot killer, I can hear the deflection board, it sounds
> right.
>
> I hooked up the bu406D (which tested good according the the
> FAQ) put it back the game and its like there is no HV at
> all (no crackle, no glow, nothing). The bu406D is getting
> hot though.
>
> I did initally replace the bu406D with the bu406 + diode
> deal but thats when I blew the 7924. When I pulled and
> tested it, it did not test according to the FAQ though my
> old one did (and another I had on a spare-but-also-dead
> Amplifone HV board). This surprizes me based on the
> statemet in the FAQ that 99% of the bu406d's will get
> toasted when the transformer goes.
>
> Thanks for any suggestions.
>
> Dan Rasmussen
>
>
> --- Dan Rasmussen <sscanf@yahoo.com> wrote:
> >
> > Sorry about the Barney thing. I just pulled something
> > out
> > of the recycle bin to put the board down on. Its hard to
> > turn a corner in my house without being confronted by
> > Barney. I'm kind of immune by now though, having been
> > immersed in it since the early 90's (I have a 10YO, 6YO,
> > and a 2YO).
> >
> > Thanks to all for the help, I'll let you know how it
> > goes.
> >
> > Feel free to steal the pics if interested. I'll leave
> > them
> > up until I need the room (which probably translates to
> > months).
> >
> > Dan
> >
> >
> > --- David.Fish@axcelis.com wrote:
> > > > Hmmm....
> > > >
> > > > For the grey wire I followed the instructions in the
> > > FAQ
> > > > that had me wiring it to the "WHT" connection which
> > is
> > > > where the grey wire from the old transformer was
> > > connected.
> > > > You can actually see it in the pictiure marked
> > > "Component
> > > > 1", the wire is coming out from between the HV and
> > the
> > > > focus.
> > > >
> > >
> > > Yup, I see it now, on the Component 2 picture. I must
> > > have missed it when my retinas shut down in
> > self-defence
> > > after seeing Barney ;-)
> > >
> > > Dave
> > >
> >
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Received on Wed Oct 24 10:20:51 2001