Number of Mono/Poly's
2012-07-19 by Jeppe
Hey I was just wondering. Does anyone know how many Mono/Polys korg produced? In my experience they are often for sale online, so I guess there is a lot
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Re: Low Audio Output
2012-06-27 by jonyeo909
Hi Both, Appreciate the response. The filter is not self resonating. When i first discovered the audio being low, i went through the parameters including the
Re: [korg_mono-poly] Low Audio Output
2012-06-27 by Alan Dicker
Hi Jonyeo909. Do you say you can hear the filter self resonating at the normal level but the VCO s are quiet? If that s is the case then the Hi/Lo/off switch
Re: [korg_mono-poly] Low Audio Output
2012-06-26 by Florian Anwander
Hello Jon ... The cause is simply dirt or oxidation in the Hi/Lo/Off switch. Florian -- http://fa.utfs.org/
Low Audio Output
2012-06-26 by jonyeo909
Greetings to all! A new member here and hope to seek some advise on the current state of my MP I recently modded the MP with CHD s midi retrofit. After
Re: Fw: [korg_mono-poly] Expert Sleepers Silent Way and Mono/Poly
2012-05-18 by Valerio Saggini
2012/5/18 Natalia Rakowski ... Thanks Natalia, I ll try there. Valerio ... -- Valerio Saggini Cell: 3482633828
Fw: [korg_mono-poly] Expert Sleepers Silent Way and Mono/Poly
2012-05-18 by Natalia Rakowski
Oops! Meant to send this to to list as well so that Valerio can get this info... -- Natalia ... up the demo version of Silent Way SW Voice ... Oops! Meant to
Re: [korg_mono-poly] Expert Sleepers Silent Way and Mono/Poly
2012-05-17 by Valerio Saggini
2012/5/17 Florian Anwander ... Yes! Although it s not calibrated. After this test I ve reconnected the gate and much to my surprise
Re: [korg_mono-poly] Expert Sleepers Silent Way and Mono/Poly
2012-05-17 by Florian Anwander
Hello Natalia, Unlike the MS-10 the MonoPoly uses V/Oct and positive Gate. I could imagine, that the gate voltage is too low. @Valerio: What happens, if you do
Re: [korg_mono-poly] Expert Sleepers Silent Way and Mono/Poly
2012-05-17 by Natalia Rakowski
Hi Valerio - I have it working in Ableton Live with an MS-10, so I know it definitely works with Korg gear that uses CV. Unfortunately, I just purchased my
Expert Sleepers Silent Way and Mono/Poly
2012-05-17 by ugh_it
Hello, I m Valerio, from Italy. I ve tried to set up the demo version of Silent Way SW Voice Controller 1.6.0 in Logic 9.1.7 to control my M/P via a Motu
Re: [korg_mono-poly] Keyboard CV generation problems? (with video)
2012-05-16 by paulsikivie@yahoo.com
Nevermind, I m stupid. Generic part. Thanks, I ll try this and report back. Sent from my Verizon Wireless BlackBerry ... From: Florian Anwander
Re: [korg_mono-poly] Keyboard CV generation problems? (with video)
2012-05-16 by paulsikivie@yahoo.com
Thank you Florian. Where would you source a CD4069 from? Sent from my Verizon Wireless BlackBerry ... From: Florian Anwander Sender:
Re: [korg_mono-poly] Keyboard CV generation problems? (with video)
2012-05-16 by Florian Anwander
PS: after replacing the CD4069 some calibration of the D/A might be necessary. But don t touch any calibration thing unless you did not reassure, that the D/A
Re: [korg_mono-poly] Keyboard CV generation problems? (with video)
2012-05-16 by Florian Anwander
This sounds like broken D/A converter. Replace CD4069 on Arpeggiator board. It is NOT a calibration thing
Keyboard CV generation problems? (with video)
2012-05-16 by Paul
Hello everyone. Any insight from M/P wizards here would be much appreciated. There s a video I made of the problems: http://youtu.be/MAD3U8O3jA0 Symptom:
Re: [korg_mono-poly] Sample and hold clock trigger
2012-04-23 by Hayden Van Moskowitz
That worked. Thanks! I also soldered the MG2 clock on the 356 board instead. Specifically to the right side of the 10k resistor from the arpeggiator trigger
Re: [korg_mono-poly] Sample and hold clock trigger
2012-04-20 by Florian Anwander
Hello ... It is not the MG2. It is the Arpeggiator: the arpeggiator clock-in is a switched trigger and - if fed with a voltage clock - clocks on the negative
Sample and hold clock trigger
2012-04-20 by genetik
So I did get my sample and hold mod to work. I had to attach different parts of the mod wheel pot to the MG1 or sample and hold switch. Maybe it was because I
Sample and hold mod
2012-04-13 by genetik
Hi, I attempted the sample and hold mod. Installed it into all the right locations, etc. The board is getting the right power. But, The sample and hold does
Re: Monopoly VCO-4 prtamento/detuning issue
2012-03-11 by dir_marillion
Hi, No problem Florian, you already did a lot to help me find what causes the issue. It seems that I have to give it for service in order to be checked
Re: [korg_mono-poly] Re: Monopoly VCO-4 prtamento/detuning issue
2012-03-11 by Florian Anwander
Hello ... Hmm. Now I have no further idea where to look for. Sorry. Florian
Re: Monopoly VCO-4 prtamento/detuning issue
2012-03-11 by dir_marillion
Hi, All four measures seem to be the same: http://tinypic.com/r/9r0nxv/5 http://tinypic.com/r/2j272gk/5 http://tinypic.com/r/v3zibo/5 Sorry the fourth picture
Re: [korg_mono-poly] Re: Monopoly VCO-4 prtamento/detuning issue
2012-03-11 by Florian Anwander
Hi ... ok, now turn the potentiometer fully counterclock wise and in each layer of the potentiometer measures the resistance between the left contact and the
Re: Monopoly VCO-4 prtamento/detuning issue
2012-03-11 by dir_marillion
Check this photo: http://tinypic.com/r/34sfsb9/5 I have enclosed which solder joint on Portamento pot corresponds with what. There are four pairs and I assume
Re: Monopoly VCO-4 prtamento/detuning issue
2012-03-11 by dir_marillion
Hi, I understood. ... I just re-opened the synth and checked all lines of the pot which correspond to the solder joints to the motherboard. No corruptions
Re: [korg_mono-poly] Re: Monopoly VCO-4 prtamento/detuning issue
2012-03-10 by Florian Anwander
Hi ... The working principle of the portamento circuit is very simple. There is an capacitor between ground and the control voltage line from the keyboard for
Re: Monopoly VCO-4 prtamento/detuning issue
2012-03-10 by dir_marillion
Yes, I didn t changed the attack and the sustain.
Re: [korg_mono-poly] Re: Monopoly VCO-4 prtamento/detuning issue
2012-03-10 by Florian Anwander
Hi ... Sustain for VCA must be to maximum (see the 10 in the graphic http://fa.utfs.org/diy/korg_monopoly/mp_20_adjustment_1.gif) Florian
Re: Monopoly VCO-4 prtamento/detuning issue
2012-03-10 by dir_marillion
Hi, Thank you for your time and effort to do something like that. ... I thought it was a relative midi connector which never implemented :-) Now, about the
Re: [korg_mono-poly] Re: Monopoly VCO-4 prtamento/detuning issue
2012-03-10 by Florian Anwander
Hi ... ok, I had a look at that: Both groups of additional parts appearently are NOT modifications, but they seem to be the standard wiring of the very first
Re: Monopoly VCO-4 prtamento/detuning issue
2012-03-10 by dir_marillion
Florian, I did not use a sequencer. I meant I followed the sequence from 16 to 8 then to 4 then to 2... etc Step 1: I turned on the Monopoly, meanwhile I am
Re: [korg_mono-poly] Re: Monopoly VCO-4 prtamento/detuning issue
2012-03-10 by Florian Anwander
Hello ... AAARRRGH!!!! You are mixing up things. Do not use a sequencer!!!! Stay with one thing if you try to track down a failure. Never change two variables
Re: Monopoly VCO-4 prtamento/detuning issue
2012-03-10 by dir_marillion
... There is always a portamento to all directions, when portamento pot is set to 0 and when it is set to max. ... Portamento Pot is ON/OFF same behavior: it
Re: [korg_mono-poly] Re: Monopoly VCO-4 prtamento/detuning issue
2012-03-10 by Florian Anwander
Hello ... Repeating a note never will produce portamento. Portamento slows down note changes. Very interesting in this listing is that there is no portamento
Re: Monopoly VCO-4 prtamento/detuning issue
2012-03-10 by dir_marillion
... Only for VCO4: In all mono modes, Chord and Unison, portamento is set to 0: pressing C: no portamento pressing C again after few seconds: no portamento
Re: [korg_mono-poly] Re: Monopoly VCO-4 prtamento/detuning issue
2012-03-10 by Florian Anwander
Hello ... Some question come to my mind now (I might have asked them before): How does the portamento for VCO4 behave if you put the Synth to Unisono mode?
Re: Monopoly VCO-4 prtamento/detuning issue
2012-03-10 by dir_marillion
Hi, Today I reopened the case and boards but I couldn t touch the TL chips. I am afraid that my skills are not too good to proceed unsolder it, without causing
Re: Monopoly VCO-4 prtamento/detuning issue
2012-03-09 by dir_marillion
Hi Florian, Your information is valuable !!!!!!!! Thank you very very much. I will follow your steps tomorrow morning, as I think you have almost explained me
Re: [korg_mono-poly] Re: Monopoly VCO-4 prtamento/detuning issue
2012-03-09 by Florian Anwander
Hello ... Yes. There are two, but the one which affects VCO4 is under the second bentover capacitor (counted from the bottom of the circle). ... There is a
Re: Monopoly VCO-4 prtamento/detuning issue
2012-03-09 by dir_marillion
Hi, Ok, I understood that I have the older revision of Monopoly, that;s why I do not have the KLM398. Today I opened the case as promised, with care. You can
thermal adhesive for resistor on VCOs
2012-03-09 by thesnomans
What is the thermal adhesive that Korg used on the resistors that go across the VCOs in the mono-poly? I imagine I could just use the same thermal compound
Re: [korg_mono-poly] Re: Monopoly VCO-4 prtamento/detuning issue
2012-03-09 by Florian Anwander
Hello the old version of the MonoPoly did not have the KLM398. Also I don t understand what for you are looking at the 398. You have to change the IC10 on
Re: [korg_mono-poly] Re: Monopoly VCO-4 prtamento/detuning issue
2012-03-08 by Alan Dicker
A ha I see what you mean now. Thought the first picture was your monopoly. obviously not. Very interesting nto seen that before. I may have to pass this
Re: Monopoly VCO-4 prtamento/detuning issue
2012-03-08 by dir_marillion
Hi Alan, Thank you very much for the info. I will check it tomorrow and will let you know. The internal photo from my Mono/Poly is this:
Re: [korg_mono-poly] Re: Monopoly VCO-4 prtamento/detuning issue
2012-03-08 by Alan Dicker
Yes you can use TL072CP don t worry about the CP the number is right. Not sure what you mean by where is KLM-398. Its right here in your picture. The small
Re: Monopoly VCO-4 prtamento/detuning issue
2012-03-08 by dir_marillion
Sorry to correct my previous post. I mean where is the board KLM-398 to my board ? According the picture I sent in my first post, it is not where it should be.
Re: Monopoly VCO-4 prtamento/detuning issue
2012-03-08 by dir_marillion
Hi, I did not understand if Alan meant that I can use the TL072CP or not or I have to buy another chips which are only TL072 and not CP. I will open the
Re: [korg_mono-poly] Re: Monopoly VCO-4 prtamento/detuning issue
2012-03-08 by Florian Anwander
Hi ... Sorry, I had not seen, that Alan wrote everything already. I dod not want to double it. Florian
Re: [korg_mono-poly] Re: Monopoly VCO-4 prtamento/detuning issue
2012-03-08 by Florian Anwander
Hello, TL072 ist _the_ standard chip. All your music gear is using those, as TL071/72/74 (1, 2 or four OpAmps). There is nothing special about them. They cost