RE: KLM368a diod
2014-02-23 by <josh.nursing@gmail.com>
The switches with internal LEDs look very cool too, nice find. Too bad I can t change the subject line of this thread (as people will still think we are
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RE: KLM368a diod
2014-02-23 by <josh.nursing@gmail.com>
Forgot that you actually sent lot of details on the mod prior to that, but if ever you have more info and schematics, there would be a lot of interest for
RE: KLM368a diod
2014-02-23 by <josh.nursing@gmail.com>
Woooh, VCO-to-VCF mod! Any details/schematics? Yash
Re: [PolySix] Failing Output
2014-02-23 by <josh.nursing@gmail.com>
Good point, Dennis, thanks. Yash
klm 367 repair
2014-02-23 by <vaporlock_32578@yahoo.com>
Hi to all I have a p6 that is not working I have fixed the batt. problems found a bad ic32 and replaced, and also checked all my traces, but the ic 22 chip
Re: [PolySix] RE: I have my dream synth - help me get it working!
2014-02-22 by <josh.nursing@gmail.com>
Nobody said Korg manufactured the NJM2069. And I do know NJMs are manufactured by JRC. Besides, the notion that NJM has nothing to do with Korg is bull:
Re: [PolySix] klm-367 Ic 22 testing
2014-02-22 by <vaporlock_32578@yahoo.com>
Hi to all here is the update I ohm checked all pins on ic 22 every thing except for ground and power supply was ether ol/infinity or above 1000 ohms. I
Re: [PolySix] Various Polysix modifications
2014-02-22 by Terje Winther
Finally, I have open a SoundCloud account, and uploaded a demo of my highly modified PolySix. It is here: https://soundcloud.com/terjewinther/polysix-test
Re: [PolySix] RE: I have my dream synth - help me get it working!
2014-02-22 by Dennis Matana
Korg developed the Korg 35 filter ic found in the MS10 etc...NJM = JRC = New Japan Radio...has nothing to do with Korg.... And i have been reading this topic
RE: I have my dream synth - help me get it working!
2014-02-22 by <josh.nursing@gmail.com>
Yes, they re certainly expensive, but it s because they are used in poly-analogue synths, have great sound and are also not manufactured anymore. The SSM2056
Re: [PolySix] RE: I have my dream synth - help me get it working!
2014-02-20 by <moondog1311@gmail.com>
Hi Bob, I have applied all the logic I know, and I have to accept its answer. I have five dead (or dying) 2044s and five dead (or stuck) 2056s. Luckily the
Re: [PolySix] RE: I have my dream synth - help me get it working!
2014-02-20 by Bob Grieb
Also, it seems if you install the SSM chips backwards and apply power, you will fry them. Easy to do... ________________________________ From:
Re: [PolySix] RE: I have my dream synth - help me get it working!
2014-02-20 by Bob Grieb
I really doubt that you could damage anything that way. The only possibility would be if the supply was not well regulated and went higher with less load,
RE: [PolySix] RE: I have my dream synth - help me get it working!
2014-02-20 by Malte Rogacki
I ve run a Polysix without SSM2044 in five channels before. I don t see why this shouldn t be possible. (I did this because the global CV scaling was
RE: [PolySix] RE: I have my dream synth - help me get it working!
2014-02-20 by <moondog1311@gmail.com>
I ll get on with this now. Huge thanks for all the info. Quick question, will it damage the Polysix to run it without a 2044 or 2056 in each channel? Much
[PolySix] RE: I have my dream synth - help me get it working!
2014-02-20 by Malte Rogacki
Do you have the service manual handy? I d probably put the Polysix in Unison mode, oscillator at sawtooth, no subosc - and then play a note. The filter input
Re: [PolySix] RE: I have my dream synth - help me get it working!
2014-02-20 by Bob Grieb
Hi, Are the EG chips socketed? If so then you can use voice 0 as your Known good channel for testing the other five EG chips. I am away from Home so I cant
RE: I have my dream synth - help me get it working!
2014-02-20 by <moondog1311@gmail.com>
Hi Malte, Yes, I do have a scope - which points should I set it to? Regards, Bruno
[PolySix] RE: I have my dream synth - help me get it working!
2014-02-20 by Malte Rogacki
On thing you can test easily to see if the envelope chips are working: Even in Gate mode the envelope controls the filter (if appropriately set). So dial up a
RE: I have my dream synth - help me get it working!
2014-02-20 by <moondog1311@gmail.com>
Thanks for your quick reply Bob, I knew this would be a friendly site. OK, I ve checked the PSU output voltages, all is as it should be. So are all the input
Re: [PolySix] I have my dream synth - help me get it working!
2014-02-20 by Bob Grieb
Hi, Others know the Polysix better than I, but here are some suggestions anyway: The first thing to do is download the service manual from the web
I have my dream synth - help me get it working!
2014-02-19 by <moondog1311@gmail.com>
Hello good Polysix people, After nearly 30 years of lusting after a P6, I finally took the plunge and bought a lucky dip from eBay. Good overall cosmetic
Re: [PolySix] RE: Hello . :) problems my p6 , Speedpmw & release mode manual . Help .
2014-02-19 by <zc40@hotmail.com>
Hi, I took a few days away, and I m now more focused, I will take the values and compare you tell me. I hope to save him. :) Hi, I took a few days away,
RE: Clocking he Arpeggiator from MIDI
2014-02-19 by <filthfunk@yahoo.com>
Oh but you can, by selecting the ARPEGGIO MODE to UP, ARPEGGIO RANGE to 1 and holding KEY TRANSPOSE while turning on, your Juno-60 will be put in Unison mode.
Re: [PolySix] RE: Clocking he Arpeggiator from MIDI
2014-02-19 by Chris Logue Smart
Yash, Thanks! This makes sense, of course. The main draw of the P6 (among many) over the Juno is of course the ability to turn into a 6-osc mono synth. Duh.
RE: Clocking he Arpeggiator from MIDI
2014-02-19 by <josh.nursing@gmail.com>
Thanks Chip, I know the Polysix expects a Hi-Lo transition. I was using some weird trigger routines before with a couple of digitalWrites, so I m not even sure
Re: [PolySix] RE: Clocking he Arpeggiator from MIDI
2014-02-18 by Chris Logue Smart
A while back I had to make a choice between my Juno 60 and my P6. Although I think I made the right one, something I miss is that on the J60 you could push the
RE: Clocking he Arpeggiator from MIDI
2014-02-18 by <chipaudette@yahoo.com>
Nice work...and great sounds! ... For the CV that you send to the Arp Trigger jack, is it normally-low that pulses high for each note, or is it normally-high
RE: Clocking he Arpeggiator from MIDI
2014-02-17 by <josh.nursing@gmail.com>
Hacked a PCB board from a ConcertMate 980. No schematics to be found online. Found that it s a Casio rebrand, found the corresponding Casio schematics.
Polysix - UK voltage PSU board
2014-02-17 by tim p
Hi there, has anyone got a UK voltage PSU board to sell please? Thanks Tim
RE: Re: [PolySix] RE: Weird issue : My P6 has eaten half of my presets...
2014-02-15 by <djangowes@yahoo.fr>
Hello all, hello Johannes, finally manage to debug my P6. I ve changed the chip RAM and IC30 (it had not been replaced by previous owner, even after the
Re: [PolySix] RE: Hello . :) problems my p6 , Speedpmw & release mode manual . Help .
2014-02-14 by Bob Grieb
Hi, If you have the modulation waveform at IC20 pin 12, but the pulse width is not being modulated, maybe switch IC-1 pins 8 and 9 is not
Re: [PolySix] RE: Clocking he Arpeggiator from MIDI
2014-02-14 by Chromatest J. Pantsmaker
THe sound of your timing could be dependent on your patch. If something has a longer attack, it might sound off... Just throwing that out there. Mine has
Re: [PolySix] RE: 1 of the 6 Voice/Oscillator does not respond to filter settings. Help!!!
2014-02-14 by Bob Grieb
Great. Glad you found the problem. Bob ________________________________ From: novel0@ymail.com To: PolySix@yahoogroups.com Sent:
RE: 1 of the 6 Voice/Oscillator does not respond to filter settings. Help!!!
2014-02-13 by <novel0@ymail.com>
Thank you Bob one more time for this hint. I have fix it! It was broken pathway from IC 22 to 3rd voice.
Re: [PolySix] RE: Clocking he Arpeggiator from MIDI
2014-02-13 by Alex Prescott
Doesn t work well for me at all.. Whether triggering via a drum machine and V to S trig converter, or via the midi synced kiwi board the timing is just sloppy.
Re: [PolySix] RE: Hello . :) problems my p6 , Speedpmw & release mode manual . Help .
2014-02-13 by Johannes Hausensteiner
Hi Victor, The sawtooth will be more a triangle, sorry. And it is very slow, so you should set the oscilloscope to DC. Check the following (with oscilloscope
RE: 1 of the 6 Voice/Oscillator does not respond to filter settings. Help!!!
2014-02-13 by <novel0@ymail.com>
Thank you Bob. I will follow your instruction.
RE: Hello . :) problems my p6 , Speedpmw & release mode manual . Help .
2014-02-13 by <zc40@hotmail.com>
hello Johannews , thank you very much, I measured the level Ic13 pin 1, the probe, and have in dc -5 to +5. That seems fine. The IC 20 pin 12 output. I see
RE: Clocking he Arpeggiator from MIDI
2014-02-13 by <chipaudette@yahoo.com>
Hi Chromatest J. Yes, using a drum machine with trigger out is definitely sweet. For anyone who isn t familiar, I ve got a video demonstrating this process,
Re: [PolySix] 1 of the 6 Voice/Oscillator does not respond to filter settings. Help!!!
2014-02-13 by Bob Grieb
On the KLM 366 board, IC23 should be 4051/14051 demux for the cutoff control voltages to the SSM filter chips. The outputs of this chip are stored on
1 of the 6 Voice/Oscillator does not respond to filter settings. Help!!!
2014-02-13 by <novel0@ymail.com>
Hello to all, I have a problem with one of the 6 Voices/Oscillators on my Polysix. 3rd Voice/Oscillator does not respond to filter settings. If I set cuttof to
Re: [PolySix] Hello . :) problems my p6 , Speedpmw & release mode manual . Help .
2014-02-12 by Johannes Hausensteiner
Hi and welcome to the list! 1) PWM: IC13/pin1 should change in the range of -5V .. +5V with the front panel PWM SPEED knob. You should see on IC20/pin12 a
Re: [PolySix] RE: Clocking he Arpeggiator from MIDI
2014-02-12 by Chromatest J. Pantsmaker
I ve just used a midi drum machine that had a trigger output to do this. It works the charm! What s good with that is that it allows me to program triggers
Re: [PolySix] Hello . :) problems my p6 , Speedpmw & release mode manual . Help .
2014-02-12 by <zc40@hotmail.com>
Hello, I ve been trying to find out about Speed Pmw, now, in the output of operational ic 13, I see the change in line with the oscilloscope. Also at the
Re: [PolySix] klm-367 Ic 22 testing
2014-02-12 by Bob Grieb
Hi Ken, Ic22 is the microcontroller that basically runs the synthesizer. It has software inside, so you cant simply replace it with a new chip. You would
RE: Clocking he Arpeggiator from MIDI
2014-02-12 by <josh.nursing@gmail.com>
Much fun. I am going to try some arp link from the Alesis Micron in a short while. Will need to get the Polysix MIDIfied for interfacing or else build that
Re: [PolySix] Hello . :) problems my p6 , Speedpmw & release mode manual . Help .
2014-02-12 by Bob Grieb
Hi, Assuming you have the battery leakage issue that all Polysixes seem to have at some point, please check the connection feeding to the front panel
Re: [PolySix] RE: 3-Prong Power Cord?
2014-02-11 by Bob Grieb
Mine is soldered in as well. The DW-8000 has a two-prong removable power cord, but not my PolySix. ________________________________ From:
RE: 3-Prong Power Cord?
2014-02-11 by <josh.nursing@gmail.com>
Weird stuff, Chip. Found this because I am thinking of putting a 3-prong power jack to get a properly grounded unit, but I have had two polysixes and none of