RE: Amplifone problems

Have the zero-ohm jumpers on the HV and deflection board been replaced w/
jumper wire?

> -----Original Message-----
> From: owner-vectorlist@vectorlist.org
> [mailto:owner-vectorlist@vectorlist.org] On Behalf Of Robert Gonyer
> Sent: Sunday, April 11, 2004 7:44 PM
> To: vectorlist@vectorlist.org
> Subject: RE: VECTOR: Amplifone problems
>
> Sorry, three more things to add:
> 1. This board already has a Wintron installed. It has been
> working great in
> the Star Wars for quite some time. (a couple years?)
>
> 2. I measured the HV after the problem started, it is right
> around 19.5kV.
>
> 3. This HV board is a blue one, it has had the 5 watt
> resistors and diodes
> added to it.
>
> Thanks
> Robb
>
>
> > -----Original Message-----
> > From: owner-vectorlist@vectorlist.org [mailto:owner-
> > vectorlist@vectorlist.org] On Behalf Of Robert Gonyer
> > Sent: Sunday, April 11, 2004 9:10 PM
> > To: vectorlist@vectorlist.org
> > Subject: VECTOR: Amplifone problems
> >
> > Hi again everyone, now that I'm done fussing with 6100's,
> it appears I
> > have
> > to do the same with a 19" Amp.
> >
> > I recently acquired a non-working Quantum in good shape,
> but not working.
> > The game played blind, and it had a red HVT in it, so I
> figured that was
> > likely problem #1. So I pulled the HV board out of my Star
> Wars UR and
> > put
> > it in the Quantum, and all was well. I ordered a Wintron to fix the
> > Quantum
> > HV board, and haven't gotten around to having it installed yet.
> >
> > Anyway, I pulled the HV board out of the Q a few days ago
> to do some work
> > on
> > my Star Wars. It was working fine. Put the board back in the Q
> > yesterday,
> > fired it up, and nothing. After a minute or so, I could
> see a very dim
> > and
> > very out of focus picture. So I reached around and turned up the
> > brightness
> > a bit, and it did get brighter, but it is still way out of
> focus, still
> > dim,
> > and I could see retrace lines. Also, the screen size
> wasn't right (the X
> > axis was way too big), aside from the fact that I had not done any
> > adjustments since the last time this board was in the Q.
> >
> > About this time I could sense the presence of that great
> burnt "something"
> > smell, so I shut it down. Felt for warmth and the large
> resistor near the
> > red can was VERY hot. It appears that both of those
> resistors were very
> > hot
> > at one time or another, but only that one was hot at this point.
> >
> > I haven't worked much on amplifones (yet), so I'm at a loss
> as to what to
> > try next. I've done some googling and also searched the vector list
> > archive, and didn't come up with much. Is this something
> common anyone
> > has
> > seen?
> >
> > Thanks for any help.
> > Robb Gonyer
> >
> >
> >
> >
> >
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> > chris@westnet.com
>
>
>
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Received on Mon Apr 12 10:27:00 2004