Re: Polysix patch memory/buttons not working
2013-02-23 by ammerman.sean
So after doing a little more investigating, I think there s more corrosion on the KLM-367 board than I originally thought. While the top doesn t look so bad,
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Re: Polysix vs Mono/Poly: Frequency Content
2013-02-20 by chipaudette
So I tried re-calibrating all the filters in my Polysix. While it didn t affect the frequency response of the synth, it should did make the high-resonance
Re: [PolySix] p6 power supply transformer
2013-02-18 by Arp Duex
Thanks mate, I ve tried a tirodial one 220v to 2 x 24v but it makes the output be very noisy. Noise from the mains ofcourse, so i decided to put back the 100
Re: [PolySix] p6 power supply transformer
2013-02-18 by Oakley Sound
Which reminds me... Almost every Polysix and Mono/poly I find here in the UK needs a new transformer. The old ones become lossy and generate a lot of excess
Re: [PolySix] p6 power supply transformer
2013-02-18 by Oakley Sound
I use 50VA 2 x 15V toroids from Vigortronix. http://uk.farnell.com/jsp/search/productdetail.jsp?SKU=1675058 Easily enough overhead to work at 220V. If that
Re: [PolySix] Polysix vs Mono/Poly: Frequency Content
2013-02-17 by Terje Winther
It is all down to calibration, me thinks. The sound of the Polysix can be changed quite a lot depending on how you calibrate the synth. Stick to the factory
Re: [PolySix] Polysix vs Mono/Poly: Frequency Content
2013-02-17 by james meagher
Love it! Bravo! If you do decide to mess about the Polysix s tuning please keep us updated on your findings . . . with more graphs . . . and audio comparative
RE: [PolySix] Polysix vs Mono/Poly: Frequency Content
2013-02-17 by philippe.69
hello I am interested that this list thanks, philippe De : PolySix@yahoogroups.com [mailto:PolySix@yahoogroups.com] De la part de chipaudette Envoyé :
Polysix vs Mono/Poly: Frequency Content
2013-02-17 by chipaudette
Hi All, I own both a Mono/Poly and Polysix. I had the Mono/Poly first and, given that the two synths are of the same vintage and share much of their circuit
laser harp
2013-02-17 by Vavasseur Philippe
For all the fans of Jean Michel Jarre Free laser harp build yourself http://audio-synth-vintage.com/modules.php?name=Forums&file=viewtopic&t=121#557
RE: [PolySix] LFO problems again
2013-02-17 by Malte Rogacki
If I may add to this: I recently had a similar problem, but the culprit wasn t the connector on KLM367; the problem was the connector on KLM369. Cleaning that
Re: [PolySix] Missing hardware - where to find?
2013-02-16 by Arp Duex
interestingly enough a screw = hardware. that s neat :) ________________________________ From: Terje Winther To:
Missing hardware - where to find?
2013-02-16 by Terje Winther
I have a Polysix in for service that is missing a lot of hardware: - the 4 bottom screws that hold the back end of the front panel are missing - the 4 top
Re: [PolySix] LFO problems again
2013-02-16 by klosmon
... Yah, but the customer doesn t want it. ... Yes. ... Haven t tried that yet -- I m putting the whole thing aside until Monday, at which point I ll start
RE: [PolySix] LFO problems again
2013-02-16 by backshall1
Man, there s a good candidate for a clone board. Are you sure you want to continue with this thing? Has the old trace been cut away at both ends, so it doesn t
Re: [PolySix] LFO problems again
2013-02-16 by klosmon
... On this unit, CN06 (and the area underneath) was so badly corroded that I removed it entirely and hardwired the data and address lines. The wires for Mod
Re: [PolySix] LFO problems again
2013-02-16 by klosmon
Thanks -- will keep checking. ~G
Re: [PolySix] LFO problems again
2013-02-16 by klosmon
Hi, Johannes -- Replies inline. ... Shorting the signal at CNo6-2 defeats the mod signal. ... Yes -- with the mod wheel down, LFO is showing up at the VCO mod
RE: [PolySix] LFO problems again
2013-02-16 by backshall1
I ve had a couple where I had to remove the connector header from the board, clean the bottom of the header and the board, then solder it back on. That was a
Re: [PolySix] LFO problems again
2013-02-16 by Terje Winther
The problem is usually at the CPU board, and is caused by battery- leakage damage, just as you describe. There are lots of board traces that run across the
Re: [PolySix] LFO problems again
2013-02-16 by Johannes Hausensteiner
Hi, What happens if you ground the signal CN06-2? I am not sure what you mean by it is visible at R9 . Does this mean that you can see the LFO wave at R9
LFO problems again
2013-02-16 by klosmon
I m currently repairing a battery-damaged CPU board, and I ve just about got everything working again -- except for the LFO bleedthrough into the VCO
Re: [PolySix] Re: p6 power supply transformer
2013-02-15 by Arp Duex
cool. thanks ________________________________ From: rafeek.2010 To: PolySix@yahoogroups.com Sent: Thursday, February 14, 2013 10:20
Re: p6 power supply transformer
2013-02-14 by rafeek.2010
hello , I have replaced a transformer on my Polysix, and I put a Velleman 5024, it s a TOROIDAL TRANSFORMER(less magnetic loss) 220 V / 2x24V and it works
p6 power supply transformer
2013-02-14 by arpm234
hello guys, i m trying to modify a p6 so that it is no longer 110 v as for US but 220 without using a step down convertor or anything like that. so i know i
Fw: [PolySix] polysix free to good home - maybe for parts
2013-02-12 by john quinlan
thanks for all the interest ... have settled on where it s going john ... From: john quinlan Sent: Monday, February 04, 2013 2:38 PM To:
Re: some preset noisy
2013-02-12 by rafeek.2010
hi Murray, Thank you for your quick response! the memory chip was replaced by a TC5514APL-3 chip because the old mermory HM472114-3 consumed a lot of
Re: [PolySix] some preset noisy
2013-02-12 by Murray
I repaired a P6 with a similar problem once (some patches working and others not and you couldn t overwrite the not working ones) and it turned out to be the
some preset noisy
2013-02-12 by rafeek.2010
Hello everyone, first I would like to thanks for the outstanding work you do around this korg Polysix ... ... Then I made the Polysix adjustment procedure from
Re: [PolySix] Key Assigner Logic and Timing
2013-02-09 by Dave Garfield
Dear Tony, YES! Please count me in as one who would LOVE to implement that 3ms gate delay. And as long as I have your kind attention, if you have any
Re: [PolySix] Key Assigner Logic and Timing
2013-02-09 by Oakley Sound
Whatever you do you should ensure that the gate signal that drives any particular envelope does not arrive before the new pitch CV is presented to the VCO. The
Re: Key Assigner Logic and Timing
2013-02-08 by chipaudette
Hi Johannes, Thank you for the reply. If I wanted to run the whole loop faster (by shortening the period during each voice), do you see any reason why it
Re: [PolySix] Key Assigner Logic and Timing
2013-02-08 by Johannes Hausensteiner
Hi Chip, 1) Probably it should be NC for no connection . If you look at the schematics of the New Production you can find this. Maybe it has a meaning in
Key Assigner Logic and Timing
2013-02-08 by chipaudette
Hi All, I ve started my project to add aftertouch and velocity functions to my Polysix. After studying the schematics and planning out the circuitry needed to
Re: [PolySix] polysix free to good home - maybe for parts
2013-02-06 by john quinlan
thanks for that - yes i have but decided to concentrate on other keyboards john ... From: Arturo B Sent: Tuesday, February 05, 2013 2:57 AM To:
RE: [PolySix] polysix free to good home - maybe for parts
2013-02-04 by Arturo B
Yeah, these Kiwitechnics KLM-367 boards and new PSUs look amazing! They even come with a new uProcessor! If I hadn t already done the 367-clone project (in
Re: [PolySix] polysix free to good home - maybe for parts
2013-02-04 by james meagher
Hey John, Have you considered this? It could be your fix and upgrade all in one. http://kiwitechnics.com/kiwisix.htm James ... -- C est La Guerre Moving
Re: [PolySix] polysix free to good home - maybe for parts
2013-02-04 by Oliver Fairhall
Hi John, I am very interested in your PolySix. I m an electronics engineer, and love to fix gear to use. I am in Perth. I have a courier account. Are you able
polysix free to good home - maybe for parts
2013-02-04 by john quinlan
hi everyone i ve been following the posts for a few years – my polysix had an acid leak and repair but some main board damage (i think) – the keyboard and
Re: Polysix patch memory/buttons not working
2013-02-03 by ammerman.sean
Thanks for your help guys. I m going to look into some of those possibilities and get back to you all.
Re: Polysix patch memory/buttons not working
2013-02-01 by Scott
... Hi... Does the Poly exhibit the same problems with the circuit board OUT of the panel ?...If not , it could be an alignment/button issue. If it s still
Re: [PolySix] Polysix patch memory/buttons not working
2013-02-01 by Murray
From your symptoms I would guess that the fault lies in the KLM-367 CPU board. It is the only place where memory problems & front panels LEDs are both
Polysix patch memory/buttons not working
2013-02-01 by ammerman.sean
Hey everyone, I have a Polysix that that is experiencing patch memory problems. It was bumped a little too hard during a gig. I don t know if this is what
Re: [PolySix] Re: Connectors for keybed on KLM-366
2013-01-30 by Jed Jorgensen
Your right...sorry about that. I believe what I used in one circumstance were these molex connectors: *http://tinyurl.com/a2efn38* ... [Non-text portions of
Re: Connectors for keybed on KLM-366
2013-01-30 by chipaudette
Hi Jed, That s a pretty nice parts list. But, unless I m missing something, it appears to be silent on describing the connectors. I went to this page...
Re: Polysix Filter Sweep Sound?
2013-01-30 by potophan2006
Be sure to remove the period at the end of the link or the video won t load. Sorry for the inconvenience! -R
Polysix Filter Sweep Sound?
2013-01-30 by potophan2006
Hello everyone, I know this might be a long shot, but I was wondering if anyone could help recreate a very basic filter sweep sound that I m using in a show?
Re: [PolySix] Re: Connectors for keybed on KLM-366
2013-01-30 by Jed Jorgensen
If you look at the parts list on my website I suggest using breakaway headers. I don t remember the pitch off the top of my head. If you google klm-367
Re: Polysix restoration: LEDs, Sub-Osc LFO issues.
2013-01-30 by Boddington
Thanks for the reply, Don. Yes, that s where I m at. I guess an oscialloscope is the next step. It sound like you actually managed to get past it though which
RE: [PolySix] Re: Polysix restoration: LEDs, Sub-Osc LFO issues.
2013-01-30 by backshall1
If you are talking about getting the correct LEDs to light up during DAC calibration on the clone boards, no I don t think anybody has a guaranteed way to make