Discussion about the Korg PolySix synthesizer

Erm,

Correction - that should be IC24 p2, 1, 11, 10 that is connected to IC32 p2, 1, 17, 16

Cheers,

Tony

--- In PolySix@yahoogroups.com, "tonezone020" <swamp.gigs@...> wrote:
>
> Hi Don and Peter,
> 
> Your messages have been very helpful consequently I've discovered anomalies elsewhere...
> 
> IC26 p5 doesn't connect to IC34 p5 - should I bridge this ?
> 
> IC26 to IC32 connections are all fine.
> 
> Also I think there's a mistake in the schematics. Rather than IC34 connecting to IC32 it seems to be IC26 p2, 1, 11, 10 that is connected to IC32 p2, 1, 17, 16
> 
> Regards,
> 
> Tony
> 
> 
> --- In PolySix@yahoogroups.com, "backshall1" <backshall1@> wrote:
> >
> > Yes, there is an error in the schematics. Pin 5 is +5v, not pin 4. Pin 4
> > really does go to pin 12 on the 8048. I just checked a clone board and an
> > old original KLM-367. They are the same.
> > 
> > Don B.
> > 
> >  
> > 
> >   _____  
> > 
> > From: PolySix@yahoogroups.com [mailto:PolySix@yahoogroups.com] On Behalf Of
> > Peter Mörck
> > Sent: Monday, July 23, 2012 8:25 PM
> > To: PolySix@yahoogroups.com
> > Subject: Re: [PolySix] Re: Polysix contact strip
> > 
> >  
> > 
> >   
> > 
> > You must be looking at the board layout drawing.
> > The schematics are different and have no "layers". They just show how it's
> > connected without actual physical constraints.
> > 
> > Anyway, I just looked and pins 1,4,10,13,14 of IC31 are tied to +5V :)
> > 
> > By the way,
> > I assume there's an error in the schematics indicating pin 4 tied to pin12
> > of the 8048, as it's also tied to +5V.
> > Either that's pin 5 instead, or vice versa.
> > 
> > IC31 is just a quad AND gate acting as a buffer. Each of the AND gates has
> > one of its inputs tied to +5V so whatever appeard on the other input will
> > also appear on the output of that gate.
> > 
> > The traces under IC31 are usually attacked by the battery acid though and it
> > is good if you do continuity testing around that area.
> > 
> > BR,
> > Peter
> > 
> > ----- Original Message ----- 
> > From: tonezone020 
> > To: PolySix@yahoogroups.com <mailto:PolySix%40yahoogroups.com>  
> > Sent: Tuesday, July 24, 2012 1:45 AM
> > Subject: [PolySix] Re: Polysix contact strip
> > 
> > Hi,
> > 
> > Looking at the schematics it's hard to tell - it doesn't seem like there is
> > one for the underside of the board ...
> > 
> > Regards,
> > 
> > Tony
> > 
> > --- In PolySix@yahoogroups.com <mailto:PolySix%40yahoogroups.com> , Peter
> > Mörck <peterm@> wrote:
> > >
> > > Just compare with the schematics?
> > > 
> > > BR,
> > > Peter
> > > 
> > > ----- Original Message ----- 
> > > From: tonezone020 
> > > To: PolySix@yahoogroups.com <mailto:PolySix%40yahoogroups.com>  
> > > Sent: Tuesday, July 24, 2012 12:52 AM
> > > Subject: [PolySix] Re: Polysix contact strip
> > > 
> > > 
> > > 
> > > Hi,
> > > 
> > > Thanks for your message. 
> > > 
> > > I managed to sort the strips out - they had stretched, but with a bit of
> > coaxing the keys are now working.
> > > 
> > > Been slowly trying to fix the battery leak problem with a tiny bit of
> > success and Old Crow's advice from his site. 
> > > 
> > > I discovered pin numbers 13 and 14 on IC31 are connected. Do you know if
> > this should be so? There seems to be a copper trace on the underneath
> > circuitry. It also appears to be the same for IC30...
> > > 
> > > Thanks,
> > > 
> > > Tony
> > > 
> > > --- In PolySix@yahoogroups.com <mailto:PolySix%40yahoogroups.com> ,
> > bastebraak <bastebraak@> wrote:
> > > >
> > > > 
> > > > 
> > > > Is the old one damaged or just not working well. I fixed the contacts on
> > my polysix with a paste i ordered online.
> > > > 
> > > > 
> > > > Verzonden vanaf Samsung Mobiletonezone020 <swamp.gigs@> schreef:
> > > > Hi All,
> > > > 
> > > > Does anyone know where I can get a couple of 6 bubble contact strips or
> > alternatives for my synth, preferably in the Uk ?
> > > > 
> > > > Many thanks in advance,
> > > > 
> > > > Tony
> > > > 
> > > > 
> > > > 
> > > > ------------------------------------
> > > > 
> > > > Yahoo! Groups Links
> > > > 
> > > > 
> > > > 
> > > > 
> > > > 
> > > > [Non-text portions of this message have been removed]
> > > >
> > > 
> > > 
> > > 
> > > 
> > > 
> > > [Non-text portions of this message have been removed]
> > >
> > 
> > [Non-text portions of this message have been removed]
> > 
> > 
> > 
> > 
> > 
> > [Non-text portions of this message have been removed]
> >
>