Re: MG wheel intensity mod
2013-05-18 by theofielb
Well, since that is a completely other method as the one I was thinking of I would use a different pot indeed. I don t know if this method works actually,
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Re: MG wheel intensity mod
2013-05-17 by chipaudette
Looking for the Mod wheel on the schematic, I find it at the bottom-center of the page for the KLM-369, 370, and 371 boards. I see that the mod wheel is
MG wheel intensity mod
2013-05-16 by theofielb
Hi there, I want to mod my P6 slightly by adding an intensity control for the modwheel, it is a little too much for my taste sometimes... I know I have to hook
KLM-366 not working
2013-05-13 by igi.bigi
Checking KLM -367 find out that is working properly, but KLM-366 not working. Some keys sounds bad with large distortions, other does not sound at all.
Not-quite-working Polysix -help fixing VCO, MG, Key Assigner/Programmer sections
2013-05-09 by snuphaluphagus1
i ve got a polysix with very very minor battery damage. after bypassing some traces, it s sounding great, but it s still got some major problems that I ve been
Re: Mylar caps on the sample-hold circuits on KLM-367
2013-05-08 by chipaudette
If you re interested, here are some pics of how bending over the caps solved my problem...
Re: Mylar caps on the sample-hold circuits on KLM-367
2013-05-06 by chipaudette
It turns out that there s not enough space under the board for these tall Mylar caps. But, once I got access to the underside of the board, I saw that the
Replacing a Dead IC
2013-05-05 by chipaudette
Hi Folks, I killed my Polysix. I was probing around the VCF EG multiplexing circuitry and I killed IC12. Luckily, after replacing the IC, she seems to work
Re: Mylar caps on the sample-hold circuits on KLM-367
2013-05-04 by chipaudette
Whoa. Other side of the board? There s a cool idea! Chip
Re: [PolySix] Mylar caps on the sample-hold circuits on KLM-367
2013-05-03 by Murray
no, don t use ceramic. Why don t you move the existing ones to the other side of the board? Just a thought MH ... -- Kind Regards Murray
RE: [PolySix] Mylar caps on the sample-hold circuits on KLM-367
2013-05-03 by backshall1
According to Analog.com http://www.analog.com/library/analogDialogue/Anniversary/21.html, you should be using any of the poly (polystyrene, polypropylene,
Mylar caps on the sample-hold circuits on KLM-367
2013-05-03 by chipaudette
Hi Folks, Some of you may know that I ve replaced the keybed on my Polysix. The new keybed has a long metal cross-bar that sits a little lower than the one on
Re: Aftertouch and Portamento
2013-04-29 by djangowes
Hi Chip, Once again, you did an awesome job. Congrats!
Re: Aftertouch and Portamento
2013-04-29 by chipaudette
Here s a little more discussion on how I used the Detuning feature on my Mono/Poly to determine the default amount of detuning on my Polysix. It also shows (a
Re: Aftertouch and Portamento
2013-04-28 by chipaudette
Hi All, With the same Arduino + DAC hardware, I realized that I could also implement user-controlled detuning in my Polysix. I ve always loved the detuned
Korg Polysix KLM366 testing
2013-04-22 by iorlovs
Can someone tell me how i can test KLM366 board,how it is working? KLM 367A test is ok
Re: Please HELP Korg Polysix KLM367a Repair
2013-04-22 by iorlovs
... All of the calibration procedure was successful.Suspicion on 366 now. Maybe somebody have scheme for keys?
Re: Aftertouch and Portamento
2013-04-21 by chipaudette
In trying to answer my own question regarding voice-spreading portamento on other synths, check out this link discussing the Oberheim OB-X analog polysynth:
Re: [PolySix] FRONT PANEL COLOR AND DECALS RESTORATION
2013-04-19 by <tomlinson6050@roadrunner.com>
Try contacting www.synthspa.com ... ============= Hi! I am Manollis and i am happy to find you! i am an owner of korg polysix and i am looking to restore the
Re: Arpeggio Trig-In
2013-04-19 by Boddington
The typical way this is done is by buying a midi to CV/Gate/Trigger converter. With that you can send out your trigger pulses via midi, which convert to Trig.
FRONT PANEL COLOR AND DECALS RESTORATION
2013-04-19 by Manolis Malakopoulos
Hi! I am Manollis and i am happy to find you! i am an owner of korg polysix and i am looking to restore the front panel with new color and decals does anyone
Re: Please HELP Korg Polysix KLM367a Repair
2013-04-19 by Boddington
Picky is good! Thank you for adding that. I should have double checked what was in Q1. I didn t have any docs or a Poly in front of me. My bad.
Re: Please HELP Korg Polysix KLM367a Repair
2013-04-19 by iorlovs
... How i can write in to memory of polysix manufacturers patches, and where i can find them?
Re: Please HELP Korg Polysix KLM367a Repair
2013-04-19 by iorlovs
... And question! Do i need to remove all traces of acid from pcb traces definitely,or i can leave them if they have connection?
Re: Please HELP Korg Polysix KLM367a Repair
2013-04-19 by iorlovs
... Calibration procedure its very difficult for me.Outsource i can ask my friend to do that because i think he can and he have oscilloscope. But if synt is
Re: Please HELP Korg Polysix KLM367a Repair
2013-04-19 by iorlovs
... Thanks! I tell to check transistors today.So i need create my own patch from front panel of synt? Another thing that not all of the keys working, most of
Re: [PolySix] Re: Please HELP Korg Polysix KLM367a Repair
2013-04-18 by backshall1
Just to be picky, this is a JFET, so that would Drain-Gate-Source, not Emitter-Base-Collector. Also, depending on your meter, you might not get a display of 0L
Re: Please HELP Korg Polysix KLM367a Repair
2013-04-18 by Boddington
Don an Jed are on the right track in their questions. I would just add a few observations: 1. You can test Q1 with your multimeter if you have a diode setting
Re: [PolySix] Re: Please HELP Korg Polysix KLM367a Repair
2013-04-18 by Jed Jorgensen
You will need to be more specific about weird . The service manual has the calibration procedure. Have you tried stepping through that? As you go through the
Re: [PolySix] VTL5C2 opto coupler versus VTL5C3
2013-04-18 by backshall1
I looked at the KLM-366B board again. It has 6 holes. Holes 3 and 5 are not connected to any traces on the board. Hole 3 does have a pin from the P1501
Re: VTL5C2 opto coupler versus VTL5C3
2013-04-18 by arpm234
yeap. you are right. pin 3 not connected. problem solved. but then another question. what in the world was pin 3 used on the old part ? htv p1501 ? they use
Re: [PolySix] VTL5C2 opto coupler versus VTL5C3
2013-04-18 by Arp Duex
Quite tricky because I ve looked at the board itself and pin 3 has a trace that goes somewhere. That contradicts the schematics which shows no pin 3
Korg Polysix weird sonds even after repair KLM367a repair HELP please!!!
2013-04-18 by iorlovs
HI! I have putted new socket and new ic31 chip,and repaired all bad tracks and cleaned klm 367a with isopropyl spray called Kontakt IPA. So now program
Re: Please HELP Korg Polysix KLM367a Repair
2013-04-18 by iorlovs
... HI! I have putted new socket and new ic31 chip,and repaired all bad tracks and cleaned klm 367a with isopropyl spray called Kontakt IPA. So now program
RE: [PolySix] VTL5C2 opto coupler versus VTL5C3
2013-04-18 by backshall1
There are really only four pins used on the old optocoupler. If you number them like a 6-pin DIP chip starting with the corner nearest R93 and move
Re: VTL5C2 opto coupler versus VTL5C3
2013-04-17 by Christian
Hi, got no answer for you, just want so say, same here, don t know exactly which photo coupler to buy VTL5C2 (4 pins) VTL5C3 (4 pins) VTL5C3/2 (5 pins) Looking
Re: VTL5C2 opto coupler versus VTL5C3
2013-04-17 by Christian
Hi, got no answer for you, just want so say, same here, don t know exactly which photo coupler to buy VTL5C2 (4 pins) VTL5C3 (4 pins) VTL5C3/2 (5 pins) Looking
VTL5C2 opto coupler versus VTL5C3
2013-04-17 by arpm234
Hello guys, I ve just started to work on tunning the voices and i realised my opto coupler is dead. So i read through the topics and learned that VTL5C3 would
Re: Replacement LED's
2013-04-16 by Coy B. Wright
I used these and they worked out great! http://www.mouser.com/Search/ProductDetail.aspx?R=WP3A8HDvirtualkey60400000virtualkey604-WP3A8HD Hope that helps!
Replacement LED's
2013-04-16 by uk_heliman
Hi, Does anyone know the forward current rating for the original LED s used in the Polysix both the individual and the mempry bank ones? I have one gone down
Re: [PolySix] Aftertouch and Portamento
2013-04-15 by Ben Stuyts
Thanks, I never knew it did that. Very interesting to see that they actually put different caps in there for the Mono/Poly. Ben
Re: Aftertouch and Portamento
2013-04-15 by chipaudette
After tuning the aftertouch, now I m tuning the portamento. While the portamento is a really nice addition to the Polysix, my implementation didn t sound as
Arpeggio Trig-In
2013-04-14 by Curfew
Hey All I just joined this group and hope someone might be able to help. I m using Logic with a MAC (emagic MT4 MIDI & MoTu828 audio interfaces) and have the
3-Prong Power Cord?
2013-04-12 by chipaudette
Hi All, In plugging my Polysix into my keyboard amp, I noticed a little tingle in my fingertips...like I was getting a mild electric shock. Weird. So, with
Re: Please HELP Korg Polysix KLM367a Repair
2013-04-12 by iorlovs
... I bought ic31 chip socket and chip so i going to change them and i will clean all board with Isopropyl alcohol spray.So i need remove all wires and check
RE: [PolySix] Please HELP Korg Polysix KLM367a Repair
2013-04-11 by backshall1
The VRs look okay. Just a little excess flux on the bottom. These trimmers are hand-soldered after the rest of the board is complete, so they do not look as
Please HELP Korg Polysix KLM367a Repair
2013-04-11 by iorlovs
I bought Korg polysix and want to replace ic31 chip and battery but i have inspecting KLM 367a board and find bad things Do i need to replace VR1 to VR 7?
Re: Aftertouch and Portamento
2013-04-10 by chipaudette
Now I m deep into tuning the response of my Polysix s aftertouch. You might be interested to see the variety of response curves that I tried.
Re: Aftertouch and Portamento
2013-04-04 by chipaudette
...and here s how I mounted the Arduino within the Polysix s enclosure: http://synthhacker.blogspot.com/2013/04/polysix-mounting-arduino.html Drilling through
Re: Aftertouch and Portamento
2013-04-03 by alesisfusion8hd
Nice work!