Vintage Synth Repair

--- In vintagesynthrepair@yahoogroups.com, "balderson04" 
<djacklin@...> wrote:
>
Ooops, upon reading this post, the CA3086 sound right,  sorry.
John
> Looking at the Odyssey tech manual, the only "chip" connected with 
VCO
> 2 on the Revision 1 board is a quad input NAND gate, which should 
be a
> simple fix.  On the Revision 2 board, there's also an LM1458 and a
> CA3086, which might be harder to find but not impossible.  You 
don't
> mention what kind of Odyssey you've got: I, II or III?
> 
> There's nothing on the Ody that is special; it's mostly discrete
> components, apart from the "sealed-in-resin" filter modules.
> 
> Anyway, I doubt that your problem is a "chip".  More likely a
> transistor or diode.
> 
> Go to http://www.arpodyssey.com for the tech manual.
> 
> Good luck.
> 
> --- In vintagesynthrepair@yahoogroups.com, "iwishiwascrying"
> <iwishiwascrying@> wrote:
> >
> > is the chip fixable? or am i out of luck : /
> > 
> > --- In vintagesynthrepair@yahoogroups.com, "John Koumoutseas"
> > <john@> wrote:
> > >
> > > The slider could be bad but it think it's most likely that the 
chip 
> > > in the oscillator circuit is bad.  That is usuall most 
common.  John
> > > 
> > > --- In vintagesynthrepair@yahoogroups.com, Mike B 
> > > <moremodernmusic@> wrote:
> > > >
> > > > It could be dirt in the slider on the mixer control.  You 
could 
> > > try using an electrical spray cleaner (Contact Control Cleaner 
and 
> > > Lubricant from Radioshack)  and working the slider back and 
fourth.  
> > > I had a single oscillator issue like thin on mine and this 
seemed to 
> > > fix it along with cleaning the frequency coarse adjustment.   
I hope 
> > > this helps.  
> > > > 
> > > > iwishiwascrying <iwishiwascrying@> wrote:          So i 
> > > recieved an odyssey and everything is fine with it except i
> > > > cannot get any sound to come from the second osc. Im not 
sure what 
> > > the
> > > > problem could be or if there is anything i can do myself to 
fix 
> > > this.
> > > > I live in a place where there arent many people who know how 
to 
> > > fix a
> > > > synth let alone an arp. Thanks for the help!
> > > > 
> > > > 
> > > > 
> > > >          
> > > > 
> > > >  		
> > > > ---------------------------------
> > > > Stay in the know. Pulse on the new Yahoo.com.  Check it out.
> > > >
> > >
> >
>