Archive of the former Yahoo!Groups mailing list: Yamaha CS80

previous by date index next by date
previous in topic topic list  

Subject: Re: aftertouch moving over keyboard problem on a CS80

From: "ostrovitch" <jbond007@...>
Date: 2011-01-27

Thanks to all for your answers

--- In yamahacs80@yahoogroups.com, Tommy Priakos <tpriakos@...> wrote:
>
> Hmmmm. My non-AT happens only when the 6th key is played (Mix I and II is in the center). Oscillators 1-5 and 7-8 are fine.
>
> Roy Orbison's CS-80
>
> Sent from my iPhone
>
> On Jan 26, 2011, at 12:08 PM, "Quazimodo" <noddyspuncture@...> wrote:
>
> > I had a really weird and annoying AT problem a couple of years ago - just after I did the TKC bypass cap mods. It turned out to be one broken wire going to one of the TSB boards. Try gently moving those wiring looms, ever so gently and see if you can ∗control∗ the symptoms.
> >
> > It's almost like tapping on a circuit board to locate the dry joint - the nearer you get the lighter the tap needed.
> >
> > Hope you sort it,
> > TOM
> >
> > --- In yamahacs80@yahoogroups.com, "T.M. Bois" <bucklehorse@> wrote:
> > >
> > > Hello Mr. Bond!
> > >
> > >
> > >
> > > My CS-80 might have a similar problem to yours. Does the aftertouch
> > > work consistently across the keyboard if you play just one key at a
> > > time?Â
> > >
> > >
> > >
> > > The problem with mine is that the poly-aftertouch seems to have limited
> > > polyphony in the middle octaves. If I hold down a key in the middle
> > > octave and then press additional keys and try to trigger the
> > > aftertouch, it often will not engage. For some reason it's not a problem in
> > > the upper and lower octaves.
> > >
> > > I've always assumed this is due to a dodgy component on my TKC board but haven't got around to getting it looked at properly... especially since it's perfectly usable as-is, and I'd hate to create five new problems by attempting to fix one!
> > >
> > > -Ted
> > >
> > > --- On Wed, 1/26/11, ostrovitch <jbond007@> wrote:
> > >
> > > From: ostrovitch <jbond007@>
> > > Subject: [yamahacs80] aftertouch moving over keyboard problem on a CS80
> > > To: yamahacs80@yahoogroups.com
> > > Received: Wednesday, January 26, 2011, 5:32 AM
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > > Â
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > > Hello,
> > >
> > >
> > >
> > > Recently, I experience aftertouch not working on a part of the keyboard,
> > >
> > > then the not working keyboard part becomes good, and the others (working before) become bad etc...and every 2 or 3 minutes it changes
> > >
> > > place, and I never get the whole keyboard having aftertouch, always some octaves yes, some octaves no.
> > >
> > >
> > >
> > > Anyone would have any clue?
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > >
> > > [Non-text portions of this message have been removed]
> > >
> >
> >
>
>
> [Non-text portions of this message have been removed]
>