Re: Tempest help

I should add that troubleshooting was easy -- I checked the voltages on
the molex connector going into the HV supply. And then from there it was
easy to track it down.

Kurt

> I also had a problem like that. The other symptom was that there was
> practically no way to adjust the HV. Turns out that the Zanen kit that
> I'd just installed had a bad chassis transistor -- cleverly I'd installed
> it into the negative side of the low voltage regulator (well, one of
> regulator circuits -- it's been a couple of years). As soon as I replaced
> it life was good. Can't always trust those parts from Zanen (I've had a
> couple of defective transistors.. can't complain for the price though.. :)
>
> Kurt
>
> > The 2nd picture looks just like mind did after installing the cap-kit (and
> > LV2000).
> >
> > I resoldered the connections on the deflector to the neckboard, replaced the
> > two large power supply capacitors, and the four rectifier diodes. I don't
> > know which of those three were the problem, but it fixed it for me.
> >
> > Hope this helps...
> > --Eric
> >
> > -----Original Message-----
> > From: derek:is/etx [mailto:derek@etherealdesign.com]
> >
> > Hello, i have posted photos of my tempest on my web site. If anyone has any
> > idea what may be going on with this thing please let me know. I have
> > installed the cap kit, before that it was just drawing spots. I have gone
> > over all the solder points and they are all solid. Thanks! -Derek
> >
> > http://etherealdesign.com/tempest/
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Received on Fri Aug 24 13:08:10 2001