Patches and discussion for Ensoniq VFX family

ok, that i will do.   i can't get a hold of the soniq, i have emailed
and called to arrange to just send him the keyboard but have not heard
back, and he doesn't have an answering machine.  interesting chap.  how
do i check a diode?
--- In Ensoniq-VFX-SD@yahoogroups.com, Gordon JC Pearce MM3YEQ
<gordon@...> wrote:
>
> On Thu, 2009-01-22 at 15:23 +0000, markbreton@... wrote:
> > Thanks. In this instance, actually, I got lucky in that my engineer
> > friend was able to troubleshoot the problem all the way back to the
> > transformer. the fuse link that is shorting is getting too much
> > amperage from the transformer. i put a 2amp fuse in it and for a
> > couple of seconds it sounded glorious!! but then the with the wrong
> > power level getting through it started sounding bad again. So i am
> > going to order a new transformer from thesoniq for it. i know i am
> > going to keep track of all of these troubleshooting tips for the
> > future. it's like trying to keep an old hoopty running. you love
> > it, but it requires a lot of tenderness!
> >
>
> No, wait, don't - I've never ever heard of a transformer failing in a
> way that would cause that. Not saying it can't happen, but I've never
> heard of *that*...
>
> It's far more likely to be one of the diodes in the rectifier. You
need
> to check them, and if one has gone change the whole lot.
>
> Gordon
>