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2013-11-25 by Johannes Hausensteiner
Hi Ed, A RAM chip can be viewed as a linear array of storage cells. The index (or location) of a specific cell is called the address . The size of the cell is
2013-11-25 by <djangowes@yahoo.fr>
Hello Johannes, thank you. I ve tested continuity between IC32 pin 15 and IC 22 pin 22 and it s OK. I ve played quite a lot the synth (what a sound!) last
2013-11-24 by Bob Stewart
Yeah, I ve had that before. You have to sign in every now and again to keep it active. If you try to log back into your email, it might reactivate. B
2013-11-24 by honzarezna
Hello all. I know this is a bit OT but: I wanted to look for some files related to this Yahoo group and try to login to my Yahoo account, I got this massage:
2013-11-24 by Johannes Hausensteiner
Apparently the addressing of the patch RAM has a fault. This could be a long term subsequent fault from the leaked battery. There could be a number of reasons
2013-11-23 by <djangowes@yahoo.fr>
Hello, forgot to add some things : my P6 had the battery issue. It has been repaired before I ve had it, 4 years ago. I ve changed all electrolytics in the
2013-11-23 by <djangowes@yahoo.fr>
Hello, Today my P6 has begun to behave strangely : considering each bank A,B,C,D the first 4 presets (1,2,3,4) have been duplicated to the 4 last presets
2013-11-22 by Johannes Hausensteiner
... Apparently they forgot it in the original circuit, thus it did not make it onto the PCB... ... No. What does it do? IC20 (an LM13600, again...) is the
2013-11-22 by <iorlovs@yahoo.com>
At the top right corner of KLM368a board i have found soldered diod (image attached). Why it was soldered, and do i need to unsolder?
2013-11-21 by Terje Winther
Hi Chips, Thanks for the reply. ... Yes, indeed so. I read some comments elsewhere that the Polysix schematics iss full of errors. This could be one of them.
2013-11-21 by <chipaudette@yahoo.com>
Hi! Chip here, the one from the synthhacker blog that you referenced. To answer your questions: Re: R166 (the 1K resistor not being present), I just looked in
2013-11-20 by Johannes Hausensteiner
Great! My congratulations for the successful troubleshooting!
2013-11-20 by Alex Prescott
Hi backshall, Yes, this is inherent of the design.
2013-11-20 by Frank Carvalho
Hello I may have diagnosed and fixed the problem. I had unscrewed the keyboard and pulled it away from the PCB board, so that the two were not close. Then the
2013-11-20 by backshall1
It is normal for the Polysix to be extremely out of tune for the first few seconds after it is powered on. I worked on one that seemed reasonably in tune after
2013-11-19 by Frank Carvalho
No, something is wrong. It freaked while opening it up. After I unscrewed the keyboard it got better, and seemed to act normal, with all 6 Leds coming on.
2013-11-19 by moogchild synthdrome
Also look for broken traces in the board, I ve recently recaped my Trident and broke one, resulting in strange behaviour of the synth as well. Enviado desde
2013-11-19 by Frank Carvalho
Hi Johannes Ok, so I turned it on to do the checks you mentioned, and everything now sounded normal again! But after a few notes, it started to get weird
2013-11-18 by Johannes Hausensteiner
OK, so the keys that do not work are F#1, G1, D2, D#2, A#2, B2, F#3, G3, D4, D#4, A#4, B4, F#5, and G5, correct? When starting the arpeggiator (besides playing
2013-11-18 by Terje Winther
OK folks, I have followed the discussions on the Polysix mods, and I am in the process of implementing them into mine.
2013-11-18 by Frank Carvalho
Poly/Chord/Uni do not seem to have any effect, and the LEDs don t come on. Hold is on when the synth is turned on, but can be turned off and on. Hold now
2013-11-18 by Johannes Hausensteiner
The issue is related to the KLM-366 Key Assigner CPU circuitry. Probably two of the I/O lines are dead (remember, it is an 8bit CPU). Which keys do work and
2013-11-17 by Frank Carvalho
Thanks so far, but it is the specific keys of the keyboard that are silent, not the oscilators. If I press the first key repeatedly, it will sound every time,
2013-11-17 by Malte Rogacki
I would suspect the voice board processor or its surrounding circuitry. Two reasons: 1. It is responsible for the assigner buttons. 2. The 7th and 8th note
2013-11-17 by <rufushaw@yahoo.it>
Hi Frank Issues reported seem very strange. I can t figure out a 7th and 8th notes failure on a six cycling voice synth. In other posts seems that VTL5C9 is
2013-11-17 by <rufushaw@yahoo.it>
Hi all there, new updates. ERRATA CORRIGE: I ve made a mistake about the value reading from IC18 pin 7, due to a wrong setup of the oscilloscope. The actual
2013-11-17 by Frank Carvalho
Hi My P6 has started having a new issue. The synth sounds really weird. Here are the symptoms: - When I boot it, it comes up with the arp on, and none of the
2013-11-16 by <chipaudette@yahoo.com>
The exact same discussion happened here...check it out for more info... http://www.vintagesynth.com/forum/viewtopic.php?f=5&t=73269&hilit=polysix+arpeggiator
2013-11-15 by Dennis Matana
ps you can send them to connect2techno at gmail dot com http://soundcloud.com/wifi www.facebook.com/matanateknik
2013-11-15 by Dennis Matana
Hi Terje, That s awesome...cant wait untill the pics....cant be worse then the one i have ;) regards, Dennis http://soundcloud.com/wifi
2013-11-15 by Terje Winther
Believe it or not: I actually have one spare. Will take it out and take some photos. Terje ... Terje Winther terje.winther@wintherstormer.no
2013-11-15 by <smarteeism@yahoo.co.uk>
Ah.....so I m sending a negative trigger when I need a positive one? Or the other way around? Bugger. Thanks for this. I m relieved that this is something
2013-11-15 by <patrickjpbelcher@gmail.com>
Hi Chris, The p6 s arp trig is expecting an s-trig ie. something which is shorting five volts across the tip and sleeve of the jack. The tr is sending a
2013-11-15 by <smarteeism@yahoo.co.uk>
Hi guys, I just finally got my Polysix back from the chap who fixed it - I bought a broken one and am pleased I ve helped bring one back to life........except
2013-11-15 by Robert Stewart
Give this guy a shout... http://www.customsynth.co.uk/ He may be able to restore the panel to its original glory... or give it a custom job, depending on your
2013-11-15 by <denderdj@yahoo.com>
Hi group, It s a longshot but i m looking for a frontpanel for a Polysix. I picked one up yesterday for, you re not going to believe it, € 20,- But it s in
2013-11-14 by <spuzroy@yahoo.com>
Thanks for making the installation doc available! I have a few more things to add in regards to the retrofit kit - 1) it added to the noise floor of my
2013-11-13 by <moogchild@yahoo.es>
User Marleybobz has just uploaded the service/installation manual to the files section, so end of my request. Thank you to everyone who helped me. ... My
2013-11-13 by <moogchild@yahoo.es>
That doc is exactly what I needed!. Now I m able to install the midi board in my P6, as the midi jack board and the aditional power supply are easy to built.
2013-11-13 by <target9@hotmail.com>
I have just uploaded the Korg MIDI retrofit Service-Installation manual (from Korg UK Nov2013) to the files section. Cheers Tim ... I have a reminder in my
2013-11-12 by tim p
I have a reminder in my phone to upload the doc 😉 ________________________________ From: moogchild synthdrome Sent:
2013-11-12 by moogchild synthdrome
GREAT!!! Thank you very much!!! Enviado desde Yahoo Mail con Android
2013-11-12 by tim p
Good news I tried Korg UK again and spoke to a very helpful chap who has provided the retrofit installation manual 😊 I will upload later this evening.
2013-11-11 by <spuzroy@yahoo.com>
I don t have the schematics, etc. for the official Korg polysix MIDI retrofit unfortunately. The service tech who installed the kit (in the mid 80 s) kept
2013-11-11 by w.james.meagher@gmail.com
My apologies, I thought that they were essentially the same - good luck on your hunt for the appropriate docs. Cheers, James Sent from my iPhone
2013-11-11 by <moogchild@yahoo.es>
@James, I think that s another kit, as mine hasn t the battery in the board. I think mine was the first retrofit kit ever made for the Polysix by Korg USA in
2013-11-11 by <moogchild@yahoo.es>
@James, I think that s another kit, as mine hasn t the battery in the board. I think mine was the first retrofit kit ever made for the Polysix by Korg USA in
2013-11-10 by tim p
Just seen these guys - thank you very much for sharing. Should help the work on my P6. 😊 nice one! ________________________________ From: james
2013-11-10 by tim p
Seconded! I need to work on my factory retrofitted P6 too, and the MIDI Retrofit installation / service notes would be fantastic. I have searched online but
2013-11-10 by james meagher
I m pretty sure this is the kit I installed into my machine. Here s all the information I have for the P6 and that kit. Good luck. The file called