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2014-03-20 by Stephen Laughlin
This is so incredibly weird. I took it up to my repair guy, plugged it in, and straight away each voice sounded perfectly in tune. I got the feeling he may
2014-03-19 by <swamp.gigs@googlemail.com>
The old version has the KLM 396 on a daughter board mounted on the KLM 366 voice board - the later revision doesn t. Trimpots 10 and 11 are in the same place
2014-03-19 by Stephen Laughlin
Got it. Thanks!
2014-03-19 by <backshall1@bellsouth.net>
On the newer board, there is no KLM-396 Don B. From: Stephen Laughlin Sent: Wednesday, March 19, 2014 3:43 PM To: PolySix@yahoogroups.com Subject: Re:
2014-03-19 by Stephen Laughlin
Well shoot...how do I know if I have the older or newer rev? Will the trim pots be labeled differently?
2014-03-19 by Bob Grieb
These instructions seem to apply to the Poly Six with the old rev of the 366 board. Your unit may not have that board in it. Note that VR15 on the newer
2014-03-19 by Stephen Laughlin
Ah, interesting. Reading about this...calibrating the voices doesn t look too difficult. I found these simple instructions after googling a bit. I ll probably
2014-03-19 by <josh.nursing@gmail.com>
The stereo jack is a very cool trick, Chip, thanks. The KLM-366 and 367 aren t full of jumper wires like the effects board if I m not mistaken, so not sure I
2014-03-19 by <swamp.gigs@googlemail.com>
Sounds like you ll need to recalibrate the voices on the 366 board...
2014-03-18 by <ocguitar@gmail.com>
Hello! I just had the KiwiSix upgrade installed and I ve been having a lot of fun recording the past week. However, today it seems like two voices have gone
2014-03-18 by <chipaudette@yahoo.com>
I ve you re thinking of adding 6 pitch CV inputs (one for each voice), you could make them stereo jacks so that the other channel on that jack is the Gate
2014-03-16 by <josh.nursing@gmail.com>
Forgot to say: about additional control on VCF, VCA, etc... through Arduino, yes that s a very interesting exploration. If we can tap into the CV inputs or
2014-03-16 by <josh.nursing@gmail.com>
Yes indeed, the wiring can become overwhelming. For the existing voice assigner, you could do a little proto-board with the new socket and lead-out to a
2014-03-16 by <chipaudette@yahoo.com>
I have considered also replacing the other CPU, but I ve got a nasty mess of wiring in my Polysix already, just from replacing the Key Assigner. If I do
2014-03-15 by <josh.nursing@gmail.com>
Have you considered also replacing the main CPU and get total MIDI/Sysex control as well as control over CVs?
2014-03-15 by <josh.nursing@gmail.com>
Old Crow has crazy mods up his sleeves, but he s too busy playing with Oberheim and Yamaha CS-80 hacks and goodies now :P :P :P My thoughts: the SSM2044
2014-03-15 by <rufushaw@yahoo.it>
Hi all there, a friend of mine who have a P6 alredy repaired by me, called me describing strange behaviours. The P6 suffered a wery little leakage on a minimum
2014-03-15 by <chipaudette@yahoo.com>
Whoa, I didn t know that Crow did (or considered) doing a 2nd oscillator. I ve been working up to doing that, too. In my trials, I ve been using the inverted
2014-03-15 by <josh.nursing@gmail.com>
Thanks Scott, By the way, how is it you were planning the second osc on the Polysix? Are you using the inverted input used for Offset or just mixing it in at
2014-03-15 by <josh.nursing@gmail.com>
Thanks Chip.
2014-03-15 by The Old Crow
I used a 2N3819 when I made replacement boards. These days, I would use a J112. --Crow
2014-03-14 by <chipaudette@yahoo.com>
My code includes no keyscanning, so it doesn t know how to listen to the keybed. If one were willing to code up the keyscanning routines, it would probably
2014-03-14 by <josh.nursing@gmail.com>
Chip, your thoughts about re-using your code on a new Arduino Mega but trying to integrate the existing Polysix keybed/keyboard?
2014-03-14 by <josh.nursing@gmail.com>
Thanks for sharing, Chip. Awesome and inspiring work.
2014-03-13 by Fredrik Stolpe
Really cool work you re doing man! /Fredrik
2014-03-13 by <chipaudette@yahoo.com>
Ever since I replaced my Polysix s Key Assigner with an Arduino, I ve gotten a few requests for my code that is running on the Arduino. Well, it may be ugly
2014-03-11 by <josh.nursing@gmail.com>
Thanks Chromatest, I like the second suggestion - easy available parts.
2014-03-10 by Chromatest J. Pantsmaker
You can always buy small heat-shrink to put on the leads or some small plastic tubing. In a pinch, strip the insulation from some wire and use that bit of
2014-03-10 by <josh.nursing@gmail.com>
Don, true for being careful about the pinout: I did the cross-legged thing with a transistor in my Poly-800 but I don t like it much as between the legs and
2014-03-10 by Bob Stewart
Think I got a load of 2sk30a s from Little Diode. Ebay is also a great source for discontinued components.
2014-03-10 by Adrian Corston
2SK30 are still readily available... They used to be very common and there are most likely millions of units of NOS out there.
2014-03-10 by Bob Grieb
According to the data sheets, the 2SK30A is JFET. The 2N7000 is a MOSFET. I would suggest replacing a JFET with another JFET, not changing
2014-03-10 by <backshall1@bellsouth.net>
The 2SK and 2N parts have different pin-outs. The clone board is designed for a 2N transistors. To put one on an old original KLM-367 you would have to do the
2014-03-09 by <josh.nursing@gmail.com>
What would be a good replacement for Q1 in the MG circuit? The original seems to be 2SK30A http://www.ic-on-line.cn/view_images.php?id=1525095. Jed s updated
2014-03-09 by <santaojatero@yahoo.com>
Thanks for your good tips! Sadly I m so noob with these electronical things that I have to take the P6 to repair. The main board seems to ok as the battery has
2014-03-08 by <josh.nursing@gmail.com>
So I d start with the Cutoff Pot contacts at the back of the front panel circuit and test with a Voltmeter if the pot itself is wiping correctly. I believe it
2014-03-07 by <josh.nursing@gmail.com>
It might be an issue on KLM-367, on the two left-most front panels or even on KLM-366.
2014-03-07 by <santaojatero@yahoo.com>
Hello! Sorry for the two different alias, something very weird happened to my second yahoo-profile. Anyhow, still the same guy here :) Yes, I try the manual
2014-03-07 by <josh.nursing@gmail.com>
Have you tried going into Manual mode?
2014-03-07 by <terosantaoja@yahoo.com>
Hello! Nice to be a part of the P6-community! What a lovely synth. I have a strange problem with my p6 as the filter is responsing very slowly. Only way to
2014-03-07 by <josh.nursing@gmail.com>
Haha! We look forward to some A/B clips.
2014-03-06 by Terje Winther
Thanks - that helped! :-) Terje ... Terje Winther terje.winther@wintherstormer.no http://wintherstormer.no/
2014-03-06 by <tomlinson6050@roadrunner.com>
Welcome! Now the bad news: The board with the battery damage is far more than the memory board . Damage here can screw up any and all functions! This board
2014-03-06 by <josh.nursing@gmail.com>
Thanks for the extra info, Chip. It does look like tapping the pitch CV after the expo circuit in V/Hz is the way to go. KLM-366 I31-13 for voice 0?
2014-03-06 by Fredrik Stolpe
Thanks! Haha, sorry, trash bin is not a real option here. He likes his gigantic easy-to-use toy piano :-) /F
2014-03-06 by <backshall1@bellsouth.net>
Yes, this can all be caused by a battery-damaged KLM-367, mostly caused by corrosion of the data lines near the battery. There is no direct connection from the
2014-03-06 by <josh.nursing@gmail.com>
Hey Terje, Actually, I m surprised you *haven t* done this mod on your pimped out Polysix! I can see 11 Reasons to do it: 1. It s a mod suggested by Johannes.
2014-03-06 by Fredrik Stolpe
Hello group First off, I must say this is a great group. Very alive, and lot s of skilled people. Great to see people taking care of this dear old synth. I
2014-03-06 by <chipaudette@yahoo.com>
Regarding the FM mod and its ability to track the pitch of the keyboard... To have any chance of tracking, you need to get the CV for the voices. You only
2014-03-06 by <zc40@hotmail.com>
Hello everyone. took a few weeks with my P6, battery problems, typical, now almost finished, but I have a problem in logic, the preset, are wrong. Eg. Preset 1