Re: [PolySix] Korg PolySix - Repair issues - Please help
2013-12-29 by Dennis Matana
Hi Mike, Make sure that all the data lines are continues through out the board. So check pin for pin if D0 to D7 are present on their respective data line.
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RE: Korg PolySix - Repair issues - Please help
2013-12-29 by <rufushaw@yahoo.it>
hello, assuming that everything is fine on buttons board, each time i had troubles with assigner i found issues or broken traces between 8048 outputs and CN10.
Korg PolySix - Repair issues - Please help
2013-12-29 by <mrjdevries@yahoo.com.au>
Hi all. I recenty got a PolySix that has issues.. Initially it would not power up / crash. A few corroded traces on the Control Surface (directly above the
RE: KLM368a diod
2013-12-28 by <jim@saltlands.com>
Wow!!! Congrats Terje!! Most powerful polysix ever????
Re: [PolySix] Various Polysic modifications
2013-12-28 by Alex Prescott
Awesome
Various Polysic modifications
2013-12-28 by Terje Winther
Hi all, I do a lot of analog synth service here in Norway. One customer brought in no less than 4 Polysix´es for service, and in the end I was given one of
Good traders: Terje Winther and Synthalog
2013-12-07 by <denderdj@yahoo.com>
Hi list, Both sellers in the subject line are highly recommended. Both have good communication and packing skills. From Terje i ve purchased a frontpanel for
Re: [PolySix] RE: Successful mod but something else changed!?
2013-12-07 by <jim@saltlands.com>
Chris, I assume you meant the Prophet 08 being too bright and edgy. I have to agree. The prophet 08 is a great synth with it s own accomplishment and value.
Re: [PolySix] RE: Successful mod but something else changed!?
2013-12-07 by Chris Logue Smart
Wotcha Jim, Cheers for this. It did seem fanciful. I might try this thing. I sold my Juno 60 recently (hard times here in London) and although I clearly made
Re: [PolySix] RE: Successful mod but something else changed!?
2013-12-06 by Terje Winther
It sounds like a multiplexer problem. I have encountered something similar on Prophet-5 and some Oberheim synths, but not on Polysix, but it might still
RE: Polysix as Semi Modular synth!
2013-12-06 by <jim@saltlands.com>
Thanks everyone for your thoughts. I m definitely interested in pursuing. I need to thoroughly go over my principals and preparations before jumping in. I ll
RE: Polysix as Semi Modular synth!
2013-12-06 by <jim@saltlands.com>
I had asked Murray (kiwitechnics) this a while back but he wasn t comletely sure because he didn t have a non-kiwisix polysix to test... Would the Kiwi Power
RE: Polysix as Semi Modular synth!
2013-12-06 by <chipaudette@yahoo.com>
An error in my previous reply...when i said Set your synth for PM , I meant Set your synth for PW . And, if you don t have an O-Scope for measuring the PWM
RE: Polysix as Semi Modular synth!
2013-12-06 by <chipaudette@yahoo.com>
If you want to try with one CV out and one CV in, I d suggest that you start first with using the VCF jack on the back of the Polysix as your CV In. Since it
RE: Square Wave on the MG (LFO) Instead of Triangle?
2013-12-06 by <chipaudette@yahoo.com>
Regarding a switch for triangle-to-square conversion on the MG...no, I never tried it. I got distracted with out stuff. Chip
Re: Polysix as Semi Modular synth!
2013-12-06 by David Davis
...
Re: [PolySix] Polysix as Semi Modular synth!
2013-12-06 by Bob Stewart
You may also need to put in buffers on all the patch points to step up/down signal levels so that they re usable. I ve been doing this kind of work for 20
RE: Square Wave on the MG (LFO) Instead of Triangle?
2013-12-06 by <jim@saltlands.com>
Hey chip, Did you end up getting this going with a switch? Would be terrific!
Re: [PolySix] RE: Successful mod but something else changed!?
2013-12-06 by <jim@saltlands.com>
So here s the knob problem I m having. Anyone heard anything like this? It seems to me like the digital locator signal from the knobs is hitting some sort of
RE: Polysix as Semi Modular synth!
2013-12-05 by <jim@saltlands.com>
... I m interested in doing each mod as it appears likely to work, and not be damaging by design. User error is something I can accept, if it happens. ... I m
RE: Polysix as Semi Modular synth!
2013-12-05 by <chipaudette@yahoo.com>
You re asking about some non-trivial mods to the synth. You might need to cut/desolder existing components to insert your mods. How do you feel about that?
Re: [PolySix] RE: Successful mod but something else changed!?
2013-12-05 by <jim@saltlands.com>
Chris, I ve heard from many sources, in person and online, that people have had success putting insulated foil above the effects board to reduce noise. So I
Re: [PolySix] RE: Polysix as Semi Modular synth!
2013-12-05 by Chris Logue Smart
So is this a load of old bullshit or what? http://analog.no/cms/index.php/modifications/korg-korg-polysix-noise-reduction Sent from my handheld device -
Re: [PolySix] RE: Successful mod but something else changed!?
2013-12-05 by Chris Logue Smart
Hi, I know this is going to sound very silly to some but I have this vague memory that Korg themselves recommended a strategically placed sheet of foil
RE: Polysix as Semi Modular synth!
2013-12-05 by <jim@saltlands.com>
Yes, I have been getting acquainted with the Polysix schematics.. I have berm mostly wondering if one might be able to create patch points for things not
Re: [PolySix] RE: Successful mod but something else changed!?
2013-12-05 by <jim@saltlands.com>
Chip, thanks for your additions. I actually just last night saw you had a mod on your site for making the mg delay actually zero. Very cool. I had posted a
RE: Polysix as Semi Modular synth!
2013-12-05 by <chipaudette@yahoo.com>
Do you have the schematic yet? If not, get it...it ll be crucial to any discussion of patch points. Also, regarding CV for pitch, be aware that the main
Re: [PolySix] RE: Successful mod but something else changed!?
2013-12-05 by <chipaudette@yahoo.com>
I definitely agree with the improvement in sound if you take the audio out prior to the effects board. It is definitely more present, clean, and natural.
Re: [PolySix] RE: Mod to make PWM rate have more variation
2013-12-05 by Patrick Belcher
Hey, Johannes has pretty generously (as always it seems), given you the necessary info. Try it and find out for yourself!
Polysix as Semi Modular synth!
2013-12-05 by <jim@saltlands.com>
I m interested in making some patch points for various cv controls on my polysix. Such as LFO cv outputs and inputs, filter EQ outputs, etc... Are all of the
RE: Mod to make PWM rate have more variation
2013-12-05 by <jim@saltlands.com>
Ok thanks johannes, So then, what are my options? Can I make the PWM both slower and faster with one mod? Or do I need to just either make it slower or make it
Re: [PolySix] RE: Successful mod but something else changed!?
2013-12-04 by <jim@saltlands.com>
Great. Well I m starting to think the knob twist sound is actually something that was already part of the synth by design, and that I m only noticing it now
Re: [PolySix] RE: Successful mod but something else changed!?
2013-12-04 by w.james.meagher@gmail.com
Please keep us posted with what you discover. I m very interested in what you re doing. Cheers, James Sent from my iPhone
RE: Successful mod but something else changed!?
2013-12-04 by <jim@saltlands.com>
I ve been considering the kiwisix full upgrade for a long time. But also have considered getting just the power supply upgrade and keeping old board. My synth
Re: [PolySix] Re: Successful mod but something else changed!?
2013-12-04 by Alex Prescott
I would have to agree, in the install manual Murray lays out several additional grounds to implement. It gets even better if you replace the lousy factory
Re: Successful mod but something else changed!?
2013-12-04 by David Davis
I d recommend the Kiwisix replacement PSU board - I recently had that fitted to my Polysix by SynthProf, and the reduction in noise on the audio output was
Re: [PolySix] Mod to make PWM rate have more variation
2013-12-04 by Johannes Hausensteiner
Sorry this is the LFO for the MG, PWM is similar, the cap is C32, no variable poti but rather R22. Johannes
RE: Successful mod but something else changed!?
2013-12-04 by <jim@saltlands.com>
Just an update.. I tested the proximity relating to my issue..(which is that some of the filter related knobs are sending some sort of extra noise into the
RE: Successful mod but something else changed!?
2013-12-03 by <jim@saltlands.com>
Glad I can show people! Well, I feel happy with my resolution of the noise issue. So I think I m squared away. But thanks Coy. I might end up reverting to that
Re: Successful mod but something else changed!?
2013-12-03 by Coy B. Wright
I was having some noise issues as well. I stumble across a fix (in my case anyway). I noticed that when I lifted the keybed from the base, this noise went
Re: [PolySix] Successful mod but something else changed!?
2013-12-03 by James Meagher
Many thanks for the photos. It does look great (even unfinished). Sorry I don t have a recommendation for your issue . . . I m sure someone here will. ... --
Re: [PolySix] Successful mod but something else changed!?
2013-12-03 by <jim@saltlands.com>
But of course! Here s the non-cleaned up, crusty as-is photos, with bad lighting. Plus the wood sides are temporary. I just wanted to angle it all up and see
Re: [PolySix] Successful mod but something else changed!?
2013-12-03 by James Meagher
Photos!!!! ... -- C est La Guerre Moving Pictures Inc. (204) 918 9317
Re: [PolySix] Mod to make PWM rate have more variation
2013-12-03 by <jim@saltlands.com>
Thanks! I ll check this out... So this might allow a wider control of speed in both directions in the end? And this is the LFO for the PWM, yes? Thanks again.
Successful mod but something else changed!?
2013-12-03 by <jim@saltlands.com>
So I just remounted the entire top of the polysix upward so it faces at a 45 degree angle instead of being nearly flat. It actually looks and feels great, but
Re: [PolySix] Mod to make PWM rate have more variation
2013-12-03 by Johannes Hausensteiner
C19 on KLM-367 sets the time constant for the LFO. If you increase it you get a longer charging/discharging cycle (lower MG frequency). By VR5 the charging
Mod to make PWM rate have more variation
2013-12-03 by <jim@saltlands.com>
Does it seem possible to replace a specific component in the PWM rate circuit to allow for greater variation control with the PWM rate knob? Would like to have
RE: Another P6 back to life, but some issues are still there.
2013-11-27 by <rufushaw@yahoo.it>
Hi all there, Some updates: PATCHES MEMORY SAVING - Solved. Swapped theTC5514APL-3
Re: [PolySix] KLM368a diod
2013-11-25 by Terje Winther
... Hi. I have that diode too, exactly like that. So my guess is that it is a factory modification. I have not looked into what it is, though, but my
RE: Re: [PolySix] RE: Weird issue : My P6 has eaten half of my presets...
2013-11-25 by <djangowes@yahoo.fr>
Hi Johannes, thanks a lot for your help! Lots of informations here! Very kind. OK things are a bit clearer. I have an analog scope but I ll try to follow your