klm-367 Ic 22 testing
2014-02-11 by Ken Seastrand
Hi to all I was wondering if anybody has pin out or data sheet for the ic 22 or info about testing the board with the chip out. mine gets warm after a minute
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Hello . :) problems my p6 , Speedpmw & release mode manual . Help .
2014-02-11 by <victoranalo32@yahoo.es>
Hey guys, I found this site and I think fabulous, first thank any aid, I have a P6, I m repairing but has 2 faults. First ruling in manual mode (ADSR) always
RE: Clocking he Arpeggiator from MIDI
2014-02-11 by <chipaudette@yahoo.com>
Hi Again! Here s the follow-up to my previous message on my MIDI-to-Trigger converter.. In this new demo, I ve got my Polysix and Mono/Poly arpeggiators (plus
RE: Polysix restoration: LEDs, Sub-Osc LFO issues.
2014-02-11 by <josh.nursing@gmail.com>
Replacing IC5 & IC6 allowed the DAC calibration to work correctly in my case. Yash
RE: Removing Polysix cover.
2014-02-10 by <josh.nursing@gmail.com>
Thanks Terje, I thought so, just wanted to make sure so as not to break anything. I am planning of giving the panel s black segments a re-work, glossy black
Re: [PolySix] Removing Polysix cover.
2014-02-09 by Terje Winther
Remove 4 screws on the top front panel, two at each side Remove 4 screws on bottom read, that secure the panel to the wooden chassis Lift the front panel
Removing Polysix cover.
2014-02-09 by <josh.nursing@gmail.com>
Does anyone know a good way to remove the Polysix metal cover/front panel so as to clean it up and paint it? It is hinging on two small metal rods at the ends
Clocking he Arpeggiator from MIDI
2014-02-09 by <chipaudette@yahoo.com>
Hi All, I m a big fan of Arpeggiators. Unfortunately, on these old pre-MIDI Korgs, you can t easily keep the arpeggiator in-sync with MIDI devices such as
RE: Lots of pots not working, MG, VCF, EG.
2014-02-08 by <josh.nursing@gmail.com>
All pots working, tried tuning but it s not yet satisfactory. Love the fat SSM sound, even in Poly and not Unison mode. Here it is with some custom patches:
Re: [PolySix] Mysterious pitch bend/modulation problem
2014-02-08 by <pushwithlegs@gmail.com>
Hey, thanks for the information - this totally solved the problem. In my case the trace was corroded between CN06-2 to C43 in such a way that was not visible
Polysix tuning difficulties.
2014-02-07 by <josh.nursing@gmail.com>
Now I know how difficult tuning a polyphonic analog synth can be! It looks like I hit the rightmost edge of voice tuning pots every time I try it. my P1501
Re: [PolySix] Failing Output
2014-02-06 by <josh.nursing@gmail.com>
Nobody ever said every problem is an IC problem.
Re: [PolySix] Failing Output
2014-02-06 by Dennis Matana
and not every problem is an ic problem.... http://soundcloud.com/wifi www.facebook.com/matanateknik
Re: [PolySix] Failing Output
2014-02-06 by Dennis Matana
check the output switch on the frontpanel. open that up and clean it...had the same issue with really low output. after cleaning the switch everything worked
Failing Output
2014-02-06 by <josh.nursing@gmail.com>
Cleaned up the whole of the key contacts and the front panel switches tonight but it sounds like my Polysix Out is failing: I get barely any sound out of it.
Re: [PolySix] Mysterious pitch bend/modulation problem
2014-02-05 by Bob Grieb
Hi, Looks like just one signal comes from the front panel to the KLM367 for both of these signals. It is called MOD. Comes in on CN06-2. You
Mysterious pitch bend/modulation problem
2014-02-05 by <pushwithlegs@gmail.com>
hi all, I have a couple of battery damaged polysixes on the bench at the moment which has been very useful for troubleshooting various problems however one has
Re: [PolySix] RE: KLM-367a clone calibration issues
2014-01-29 by <lighterthanairflight@gmail.com>
no, sorry typed that a little fast. the capacitors i installed are 10 picofarad.
Re: [PolySix] RE: KLM-367a clone calibration issues
2014-01-29 by Ingo Debus
... Did you really install 10 uF (microfarads) caps? As I understand it, C22/23 on the KLM-367 board should be 10 pF (picofarads) (or 22 pF for C23). You re
RE: KLM-367a clone calibration issues
2014-01-29 by <lighterthanairflight@gmail.com>
I did fix the PCB errors. and I have now installed the two 10uf caps for the crystal oscillator, with no difference. I actually made two klm367 clone boards
RE: KLM-367a clone calibration issues
2014-01-28 by <josh.nursing@gmail.com>
Have you done the mod on Jed s site, a res to take care of as well as a cap to replace if necessary?
Re: [PolySix] RE: Lots of pots not working, MG, VCF, EG.
2014-01-28 by Bob Grieb
Glad you got the DAC cal fixed. I did a complete cal of my Polysix recently. It was a little tricky in spots. I think it would be tough without an
RE: Lots of pots not working, MG, VCF, EG.
2014-01-28 by <josh.nursing@gmail.com>
Tried the calibration again, and as foreseen, no issue with LED 5 being stuck on the DAC calibration step, 1 & 8 they are. I don t understand the part of
KLM-367a clone calibration issues
2014-01-28 by <lighterthanairflight@gmail.com>
Hello, I just recently completed a KLM-367a clone and after installing the board I am having some difficulties calibrating it. I am following the
RE: Lots of pots not working, MG, VCF, EG.
2014-01-27 by <josh.nursing@gmail.com>
Received a small batch of new LM393N comparators that I swapped for IC 5 & 6, and TADA! All pots working, clean VCF Cutoff sweep, Cutoff is not bothering
Re: [PolySix] RE: International shipping for PCB clones
2014-01-27 by <josh.nursing@gmail.com>
Totally agree, no easy answer for small shipments. Yash
Re: [PolySix] RE: International shipping for PCB clones
2014-01-27 by Jed Jorgensen
I think the answer is that there is no easy answer. As an individual, very low volume shipper I can t get a good rate from FedEx, UPS, or DHL. USPS is always
Re: [PolySix] RE: International shipping for PCB clones
2014-01-27 by Jed Jorgensen
I m still looking into this. UPS does not appear to be cheaper to me -- I m sure folks like Amazon and Digikey are able to get some discounts. The cost is also
RE: International shipping for PCB clones
2014-01-27 by <josh.nursing@gmail.com>
I d say to recap (no pun intended, ah ah ah): not sure if the singular Canadian issue of Canada Post s unreliability necessitates that Jed changes his whole
RE: International shipping for PCB clones
2014-01-25 by <rob.ocelot@gmail.com>
I know this doesn t help the larger issue but I have a spare unpopulated KLM-367 clone board that I can send to someone in Canada or drop off in person if they
RE: International shipping for PCB clones
2014-01-25 by <josh.nursing@gmail.com>
Hi Jed, I was thinking about this myself as well, seeing how it was my shipment which got misplaced and some more ongoing delays with Canada Post. Usually, I
International shipping for PCB clones
2014-01-25 by <jed.jorgensen@gmail.com>
Hi Polysix community! I have a question for the group about international shipping on the KLM-367 PCB clones that I sell. Until last month I had gotten
Re: [PolySix] RE: KLM368a diod
2014-01-21 by <josh.nursing@gmail.com>
Thanks a lot Terje. Looks like it s not a trivial mod, which is expected for a Polyphonic analog.
Re: [PolySix] RE: KLM368a diod
2014-01-21 by Terje Winther
Hi Yash, ... Most of the mods I found here: http://www.acc.umu.se/~amber/Poly6/ The instructions regarding the VCO-to-VCF mod is rather thin:
Re: [PolySix] Re: Noob question: background noise
2014-01-21 by Fredrik Stolpe
Yo Yeah, I heard you can do i similar mod with the original PSU, without the Kiwisix PSU upgrade. Maybe I will give this a shot. Now I m happy using noise
Re: Noob question: background noise
2014-01-21 by David Davis
Subject: Re: Noob question: background noise Yep, Polysixes are noisy, no question. The Kiwisix PSU Upgrade includes additional earthing which improves this
Re: [PolySix] Noob question: background noise
2014-01-21 by Patrick Belcher
Yeah, that s pretty normal. There s about a million topics on here regarding noise reduction. Some members have done mods bypassing the effects section which
Noob question: background noise
2014-01-21 by Fredrik Stolpe
Hi group I purchased a polysix recently. It s awesome, I love it, there s only one problem: There s a lof ot background white nosie. Not a lot like in
RE: New Poly-Unison (ie Dual Oscillator) Mode
2014-01-21 by <josh.nursing@gmail.com>
A split like what the Angel City mod did to the Korg DW-8000 would be awesome. The thing is: you would want to have one timbre for the bass and a different one
Re: [PolySix] New Poly-Unison (ie Dual Oscillator) Mode
2014-01-21 by <chipaudette@yahoo.com>
Yes, it would be very possible to do what you suggest. The only problem would be the same as I stated in my previous reply: voice stealing would be very
RE: KLM368a diod
2014-01-21 by <josh.nursing@gmail.com>
Terje, I was wondering about the Jürgen Haible mod for VCO-to-VCF. Do you have a link to the description or some instructions or schematics, please? Yash
Re: [PolySix] New Poly-Unison (ie Dual Oscillator) Mode
2014-01-20 by <josh.nursing@gmail.com>
Very cool, Chip. I ve been reading your blog and Arduino hacks with interest. Also liked the Fatar & Aftertouch keyboard installation. From this new mod, do
Re: [PolySix] New Poly-Unison (ie Dual Oscillator) Mode
2014-01-18 by <chipaudette@yahoo.com>
I d played around with the 2-voice configuration (ie, 3 oscillators per voice), but I found that the voice-stealing was too distracting. The problem is when
Re: [PolySix] New Poly-Unison (ie Dual Oscillator) Mode
2014-01-18 by Tubbutec
Hi, nice write-up. You could also implement a 2-voice mode, where 3 voices are layered and detuned. (tribble osc) I am actually sitting in front of a Polysix
New Poly-Unison (ie Dual Oscillator) Mode
2014-01-18 by <chipaudette@yahoo.com>
Hi All, Last summer, I modified my Polysix to have a new Poly-Unison mode to simulate the richer dual-oscillator sound of the more expensive polysynths that
RE: Lots of pots not working, MG, VCF, EG.
2014-01-17 by <josh.nursing@gmail.com>
Meant IC6 is most probably bad, especially since when I put it in the place of IC5, I cannot even do the reset procedure. Yash
RE: Lots of pots not working, MG, VCF, EG.
2014-01-17 by <josh.nursing@gmail.com>
Getting closer (see below)! Unsoldered and socketed IC5 & IC6 and checked continuity thoroughly. Noticed a few things along the way: I thought all
Aftertouch system for Polysix by New England Analog
2014-01-16 by <josh.nursing@gmail.com>
A new aftertouch mod for the Polysix http://www.youtube.com/watch?v=F_PwMeSMFwQ. Works well although a tad expensive to me. Looks like there is a ton of great
Re: [PolySix] RE: Lots of pots not working, MG, VCF, EG.
2014-01-16 by <josh.nursing@gmail.com>
I know, and there does seem to be some shorts somewhere, assuming all the chips are functional (remains to be confirmed), not to mention any potential short I
Re: [PolySix] RE: Lots of pots not working, MG, VCF, EG.
2014-01-16 by Chromatest J. Pantsmaker
One of the things that you need to check is not only continuity from A to B, but also to make sure there is not any continuity to anyplace else. Some of the