New tune I made with my Polysix
2011-03-16 by arpomni
Hey guys, Keep up the good work keeping the Polysixes alive. I just painted my dead keyboard contacts with that Keypad repair kit. Now I can play all 66
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Re: Anyone here have the original Korg MIDI retrofit?
2011-03-16 by marleybobz
Hi there, new joiner here. Hi everyone. I ve a few questions to pose to the list, but noticed this post first. I have a P6 with the Korg factory fitted MIDI..
Re: [PolySix] More on the time-critical tuning issue
2011-03-14 by Bernie GREENBERG
Thanks for the reply , much appreciated. Just curious, what would you want for the KLM 366 (is it a new version w/o KLM 396?) Also, do you have a KLM368
Re: Anyone here have the original Korg MIDI retrofit?
2011-03-12 by feline1973
It wasn t work to me, it was FUN :)
Re: [PolySix] More on the time-critical tuning issue
2011-03-12 by Malte Rogacki
... If everything else fails I could send you a working KLM366. Question is if it would arrive on time and how much the shipping from Germany would cost.
More on the time-critical tuning issue
2011-03-11 by Bernie GREENBERG
Just noticed that all of the customer s presets sound bad, but a patch that I created to check things with sounds very pure and completely without
PolySix tuning TIME CRITICAL
2011-03-11 by Bernie GREENBERG
Yes it is centered, good guess though! Installed trim pot in place of R93 and it seems to make little if any difference. VR 1,2 3 seem not to work at all or
Re: [PolySix] TIME SENSITIVE REPAIR- Polysix tuning problem question
2011-03-11 by Malte Rogacki
Just to make sure: Is the pitch bend wheel centered? I once tried to calibrate a Polysix where I got somewhat close but not completely; turned out the pitch
Re: [PolySix] TIME SENSITIVE REPAIR- Polysix tuning problem question
2011-03-11 by Bernie GREENBERG
I have tried VR14 as well as 1,2, and 3. Correct in the resistor being R93, will try a trim-pot to see if that helps, but last I had used a reistor sub-box to
RE: [PolySix] Re: Anyone here have the original Korg MIDI retrofit?
2011-03-11 by Paul T
I ve compared my real to VST. A lot of settings are way off. I have 2 real polysix s and they are both different (slightly) to each other and both way off with
Re: Anyone here have the original Korg MIDI retrofit?
2011-03-11 by Brian
Seems like there s a lot of work ; ) involved in entering all the patch chart values in, and then trying to tweak them to get near the original, if possible.
RE: [PolySix] TIME SENSITIVE REPAIR- Polysix tuning problem question
2011-03-11 by backshall1 (dsl)
I ve definitely seen some Polysix s where VR2 seemed to do nothing and others where it behaved as expected. I never did figure that one out. You didn t mention
Re: Anyone here have the original Korg MIDI retrofit?
2011-03-11 by feline1973
I got the Korg Legacy polysix VSTi recently, and spent a while going through the original Korg patch charts for the polysix, and dialling them into the VSTi -
Re: [PolySix] TIME SENSITIVE REPAIR- Polysix tuning problem question
2011-03-11 by Andrew Jury
Just a thought.... Check the operation of IC31 (s/h in at pin 3, demux at pin 2). You won¹t be able to fix the problem in a blind panic. Just stop, think and
Anyone here have the original Korg MIDI retrofit?
2011-03-11 by Brian
I m curious to know if anyone has the retrofit installed in a still-working P6, and has gone the distance to convert the sys-ex patch data to output to an
TIME SENSITIVE REPAIR- Polysix tuning problem question
2011-03-11 by Bernie GREENBERG
I am working on a Korg Polysix with the usual tuning problems. I replaced the photo coupler with a VACtrol and resistor mod and still unable to tune
Re: [PolySix] any chance of any spare KLM-367 pcb?
2011-03-09 by Andrew Jury
Hi David, It is possible to make a KLM-367 from scratch providing you have the clone board. I have done this once before with pretty good results. This was for
Re: [PolySix] any chance of any spare KLM-367 pcb?
2011-03-09 by Jed Jorgensen
I still have them for sale here: http://sites.google.com/site/jedjorgensen/ If you need a fully assembled board you can talk to Andy: http://synthprof.com/
any chance of any spare KLM-367 pcb?
2011-03-09 by hal_414
anyone who happens to have a clone KLM-367 pcb that they would want to sell? thanks
Re: KLM 367 Clone Job with Factory MIDI
2011-03-03 by Stefano
Can you tell me which CPU does the KORG USA Midi kit use? Is it a Z80? Thanks. Stef
Re: [PolySix] Polysix problem all LEDS on after power-up - tech wanted
2011-02-27 by Andrew Jury
Hi Vince, See the mail I am just writing to you! Cheers, Andy ... [Non-text portions of this message have been removed]
Polysix problem all LEDS on after power-up - tech wanted
2011-02-27 by s420.rm
Does anyone know a tech in Vegas or California who services Polysix? Powered mine on this morning, all LEDS remain on, no audio. Working good a couple months
Re: Calibrating oscillators question
2011-02-27 by sigma.draconis
A few day s later now. After I played a bit more with the synth, I think the calibration stil can be improved. Sometimes key s pressed at the same time, give
Re: KLM367 problem
2011-02-24 by robobob66
Yes it has been acid damaged and has been serviced by another tech before me and has not done a proper repair. I have checked IC 30 and 31 and had one cable on
Re: [PolySix] Clone Calibration: DC Click Noise?!
2011-02-24 by Andrew Jury
Hi Arturo, What they mean by this is that they only want a certain amount of DC to be present at the audio line out jack when you switch the P6 on. This is the
Clone Calibration: DC Click Noise?!
2011-02-24 by Arturo B
So, I have three KLM-367 clone boards finished and working well. Now onto calibration... [Back story you can skip] I decided to assemble them and get them all
Re: [PolySix] KLM367 problem
2011-02-23 by Andrew Jury
Hi Robert, Are you repairing a board that has been acid damaged? That is an awful lot of silicon to be changing in one go! If you can¹t set up the reset
KLM367 problem
2011-02-23 by robobob66
Hello list. I m working on a broken KLM367 where i so far have put new logic on IC 30, 31, 24, 26, 28, 29, 34, 35. When i test the reset circuit with a 56kohm
Re: Calibrating oscillators question
2011-02-22 by sigma.draconis
Today finished the calibrating procedure, and everything was clear. The only little confusing part was that there was a reference to the VR1 on the KLM-396,
Re: [PolySix] KLM-367 clone
2011-02-21 by Malte Rogacki
... Problem is the original boards use simple trimmers and the new boards use multi turn trimmers...
KLM-367 clone
2011-02-21 by Scott
An issue that I ve been thinking of for some now. For those who are building the new KLM367 pc boards. Find out how many turns are currently involved on each
Re: [PolySix] KLM 367 Clone Job with Factory MIDI
2011-02-20 by Jed Jorgensen
Hi Mike, I haven t played with the midi kit so I can t really help you there. My suggestion was going to be just what you ended with: see if you can get it
KLM 367 Clone Job with Factory MIDI
2011-02-20 by Mike
Hey guys! Thanks again for providing these KLM367 boards! Um, so yeah... I just finished populating my new KLM367 clone board and I m having trouble. I m
Re: Calibrating oscillators question
2011-02-20 by sigma.draconis
... You re completely right, I mixed up de freq s. But I think I got the picture now. I found a software tuner, and connected the Polysix to the computer, and
[PolySix] Re: Calibrating oscillators question
2011-02-20 by Malte Rogacki
... It puts the Polysix into stretched tuning . By doing this the higher notes are tuned slightly sharp; read: the octaves are no longer perfect. Stretched
Re: Calibrating oscillators question
2011-02-20 by sigma.draconis
... That would be UP in my case then. What does this switch actualy do? I see a change in freq when I switch up or down. ... I ll put then a reference signal
Re: [PolySix] Calibrating oscillators question
2011-02-20 by Malte Rogacki
... Substitute CN12 for VR1 and things should be clearer. The regular tuning is done with the switch AWAY from the connector. ... Well, to C of course.
Calibrating oscillators question
2011-02-20 by sigma.draconis
After the repair from a batteryleak, I found out that some of the oscillators are not completely in the same frequentie. I have the equipment, but do not
Re: [PolySix] Re: Polysix Issues with: VCA / Octave Switch / Program 1 LED
2011-02-20 by Andrew Jury
Hi Alexis, I am a bit out of the loop on this one and don¹t have access to the message board to cover old ground. However, can you verify that you have a
Re: [PolySix] Re: Polysix Issues with: VCA / Octave Switch / Program 1 LED
2011-02-20 by klosmon
At this point I m out of ideas. Long-distance diagnosis isn t my strong suit. ~G ... [Non-text portions of this message have been removed]
Re: Polysix Issues with: VCA / Octave Switch / Program 1 LED
2011-02-20 by Alexis V. Rogers
Replacing IC35 didn t solve the issue. Any other suggestions? Thanks.
FS: Polysix parts
2011-02-19 by Gil
Contact me gil_we@yahoo.com
Stuck keys on Polysix or sound that just won't stop?
2011-02-07 by begacjj
Hello, I just picked up a Polysix which is my first analog synth. It has some issues though. First off it still has the original battery but when we looked
Re: [PolySix] Re: Polysix Issues with: VCA / Octave Switch / Program 1 LED
2011-02-02 by klosmon
... In that case, I d suggest replacing IC35. [Non-text portions of this message have been removed]
Re: Polysix Issues with: VCA / Octave Switch / Program 1 LED
2011-02-02 by Alexis V. Rogers
There is 5V at IC35 pin 16. All of the connections check ok. And, I do have access to a scope.
Re: [PolySix] Re: Polysix Issues with: VCA / Octave Switch / Program 1 LED
2011-02-01 by klosmon
... It s conceivable that IC35 (CMOS 4042) is dead; is there 5V at pin 16? As long as you re checking continuity, look at the resistor network of R94 - 97
Re: Polysix Issues with: VCA / Octave Switch / Program 1 LED
2011-02-01 by Alexis V. Rogers
... Yeah, I thought that was strange too. ... I verified continuity from IC35 pins, 4, 7, 14, and 13 to DO4 through DO7, and from pin 5 to P25. Turning the
Re: [PolySix] Re: Polysix Issues with: VCA / Octave Switch / Program 1 LED
2011-01-29 by klosmon
... In the first place, that s pretty strange, since the battery affects neither of those. ... Look at IC35 on the CPU board -- pins 4, 7, 14 and 13 should be
Re: Polysix Issues with: VCA / Octave Switch / Program 1 LED
2011-01-29 by Alexis V. Rogers
Yes, I do have continuity on DO3 from the switch to all points.
[PolySix] Re: Polysix Issues with: VCA / Octave Switch / Program 1 LED
2011-01-27 by Malte Rogacki
... Do you have continuity of D03 from the switch through KLM-369 to KLM-367? I just had a Polysix with a non-working EG mode switch and a problematic