Another KLM367 clone issue: MG Delay
2011-07-27 by Malte Rogacki
This has come up in various degrees with several boards so I guess this could be a more common problem. Short description: MG Delay doesn t always work
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thanks, my polysix works now!
2011-07-26 by ahassine@nettilinja.fi
Hello! I´m a lurker member from Finland and just want to thank everybody for their postings here... I have had a Polysix for twenty years and became aware of
Polysix repair
2011-07-25 by petrolio77
Hallo to the Group! I m looking for someone that can repair and tune my polysix... I did the calibration several time, there are no battery leak problem, only
Re: [PolySix] Re: Cross for a 2SC2765?
2011-07-19 by Andrew Jury
Hi Mike, Q5 should be a 2SC945 so you could try our old friend the 2N2222! Cheers, Andy ... 2N* ... more ... [Non-text portions of this message have been
Re: Cross for a 2SC2765?
2011-07-19 by Scott
... http://www.bdent.com/SearchResults.asp?Search=+2sc2785&Search.x=0&Search.y=0 ( for a 2sc2785)
Re: Cross for a 2SC2765?
2011-07-19 by Mike
Q5 is where I got the transistor from. I m pretty sure that it s a 2sc2785. If I remember correctly from studying power supplies, it is a current overload
Re: [PolySix] Re: Cross for a 2SC2765?
2011-07-19 by Andrew Jury
Hi Mike, Which position in the PSU have you retrieved this transistor from? Cheers, Andy ... [Non-text portions of this message have been removed]
Re: Cross for a 2SC2765?
2011-07-18 by Mike
It might be 2SC2785...
Cross for a 2SC2765?
2011-07-18 by Mike
Has anybody crossed a 2SC2765 PolySix PSU transistor with a generic 2N* American Version? I m low on fuses and don t want to make a mistake or give this PSU
Re: [PolySix] Recommend 240v transformer to convert US PolySix to UK
2011-07-17 by Andrew Jury
Sums up my point perfectly! If you are unable to do the maths yourself you shouldn t be in their tinkering! BTW. Multiplying the secondary input AC by 1.414 is
Re: [PolySix] Recommend 240v transformer to convert US PolySix to UK
2011-07-17 by Ben Stuyts
... Are you sure about the 2 x 25 V? In my schematic there are some caps behind the rectifier which are only 35 V. (25 V x sqrt(2) - 0.7 V diode loss = 34.7
Re: Recommend 240v transformer to convert US PolySix to UK
2011-07-17 by y964omw
Hi Tim, Not really sure what to suggest here. A standard ferrite core transformer has worked OK in the past for many years, so anything suggested below should
Re: [PolySix] Recommend 240v transformer to convert US PolySix to UK
2011-07-17 by tim p
Hi Andy Thanks for that :0) I ve converted a number of US machines to UK voltage and repaired various faults on my gear successfully (vintage kit needs
Re: [PolySix] Recommend 240v transformer to convert US PolySix to UK
2011-07-17 by Andrew Jury
If you can¹t work this out for yourself then I would be very carefully poking around on the primary side of the mains supply!! However, as long as you promise
Recommend 240v transformer to convert US PolySix to UK
2011-07-17 by tim p
Hi everyone I ve recently converted an MKS-70 from US 117 to UK 240v, a simple job as the transformer had 240v taps. I ve decided to convert my US rated
Re: [PolySix] Another damn tuning question + memory write problem
2011-07-12 by Andrew Jury
Hi Luke, Lots have been talked about these subjects over the years so please do trawl through the archives! If you are having problems with tuning then you
Re: [PolySix] Another damn tuning question + memory write problem
2011-07-12 by Luke LD
Ok looking through the archives i can see some suggestions re: the lfo problem. ... [Non-text portions of this message have been removed]
Another damn tuning question + memory write problem
2011-07-12 by rekem1000
Hi all, I have a polysix here that won t tune up, it drifts as though the lfo is permanately stuck on or slightly bleeding through? Also cannot write new
Rubber tubes for key guides
2011-07-07 by Peter Mörck
Hi list. This is more of a generic Korg Polysix/61 question but I guess it qualifies :) Under the keys there are these metal guides with a piece of rubber tube
Re: [PolySix] For those building NEW KLM-367 boards...
2011-07-04 by Andrew Jury
Hi Scott, I have sent you a private message about this! Cheers, Andy ... [Non-text portions of this message have been removed]
For those building NEW KLM-367 boards...
2011-07-02 by Scott
You folks that are building new boards for clients How much $$ are you getting for the job? I have 2 clients right now and I want to price them out so I can
Strange effect
2011-06-21 by Kaz
Hi group, My Polysix is producing an odd effect across the entire board. It seems to be independent of any setting or effect, and is present when just using a
Polysix voice wierdness.
2011-06-21 by r_j_d_2.phila
hi all, i am having a bizarre issue on one voice of my P6, hoping you all may have an idea. the envelope seems to be starting at an off place on voice #3. by
Re: Polysix MIDI Kit
2011-06-14 by Boddington
It looks like it can receive it but not send it. Here s the full feature list. From my standpoint it s pretty good value compared to other solutions I ve
Re: Polysix MIDI Kit
2011-06-13 by james meagher
Does the Elektroservis kit allow you to save patches to a librarian (via SysEx for example)? Cheers, James -- C est La Guerre Moving Pictures Inc. 364 Home
Re: Polysix MIDI Kit
2011-06-13 by Boddington
For what it s worth I ve had great success with the CHD Elektroservis kits.
Re: [PolySix] Polysix MIDI Kit
2011-06-12 by james meagher
My apologies - my intention was to PM this to Andrew specifically and not to the whole group. I ve done that now. Cheers, James On Sun, Jun 12, 2011 at 11:43
Polysix MIDI Kit
2011-06-12 by wjamesmeagher
Hi Andrew, Just purchased my first Polysix after a long hunt for one that was in good shape and local. I am very interested to install the most full-featured
A quick hello
2011-06-11 by wjamesmeagher
Hello all, Just came home with my first Polysix. It s my second analogue synth. I bought a Jupiter 6 some time ago, but it s been at the shop having the Europa
Re: [PolySix] Ensemble not working
2011-06-10 by Malte Rogacki
... I would start on KLM-367, CN03 (the one connecting to the effects board), contact 4. This one enables the Ensemble effect. Is there any change when
Ensemble not working
2011-06-09 by silvercreekvalley
Just noticed on my polysix that the ensemble effect doesnt seem to work. Chorous and Phase work fine, but ensemble doesnt seem to have an effect regardless of
Knobs
2011-06-09 by Kaz
Hey folks, I m new here. I have a Polysix that I bought recently and had some repair/cleaning done. It is in great shape and now I would like to just make it
Problem with Power supply?
2011-06-09 by djangowes
Hello, i recently got a Polysix. This is a great synth i really love. This unit had the leaking battery issue but has been repaired and works fine. There is
Re: [PolySix] New MIDI mod?
2011-06-06 by Bruno
Hi Andy, i could be interested by midi kit. Assembling kit is not a problem, i m located in France. Thanks for the informations. Bruno ... [Non-text portions
Re: [PolySix] Re: Polysix Clone KLM367a MG Problem help!
2011-06-05 by Andrew Jury
Hi Greg, Looks like the right thing to me! Best of luck and hope it works out for you. If you can¹t find a 1K87 resistor to go in the hole then I am sure the
Re: [PolySix] New MIDI mod?
2011-06-05 by Andrew Jury
Hi Joey, I¹ll send you a private message about this in a little while. No need to bother the good folks here with this! Cheers, Andy ... to add ... extra ...
Re: Polysix Clone KLM367a MG Problem help!
2011-06-05 by hotdogfinger25
Andy, Super Helpful advice! Thanks a million. I will try all these out. (R83 is under the board, for some reason it was a rather large resistor). And I am
Re: [PolySix] New MIDI mod?
2011-06-05 by djo3yk@yahoo.ca
Hi Andrew, Do you still have any that don t require assembly? How much are you asking for one an how much would it cost to get shipped to Vancouver, BC,
RE: [PolySix] New MIDI mod?
2011-06-05 by Arturo B
FWIW, I got the P6-KBD MIDI retrofit (http://www.chd-el.cz/index.php?id=399) last month and installed it recently. It was a pre-assembled kit and has more then
Re: [PolySix] New MIDI mod?
2011-06-05 by Andrew Jury
Yes it is, I have many working and they seriously kick ass! (That¹s as in your backside and not a mule or donkey!) Cheers, Andy ... [Non-text portions of this
Re: [PolySix] Re: Polysix Clone KLM367a MG Problem help!
2011-06-05 by Malte Rogacki
In addition I would run the initial tests and calibrations without the RAM installed. The Polysix will work fine without it (of course, it won t store
Re: [PolySix] New MIDI mod?
2011-06-05 by Ben Stuyts
Oops, forgot to mention the Kenton retrofit: http://www.kentonuk.com/products/items/sockets/korg/polysix.shtml. It also does midi in/out, filter cutoff, pitch
Re: [PolySix] New MIDI mod?
2011-06-05 by Ben Stuyts
... There is also http://www.chd-el.cz/index.php?id=399, but it only gives you arpeggiator on/off control above the p6retro board. ... For a complete kit I
Re: [PolySix] Re: Polysix Clone KLM367a MG Problem help!
2011-06-05 by Andrew Jury
Hi Greg, Here¹s a couple of pointers and comments. Please don¹t take offence at any of my comments, please! 1. Don¹t use second hand parts if you can avoid
Re: [PolySix] New MIDI mod?
2011-06-05 by Andrew Jury
Hi, You might want to look at the P6MID board which Johannes H of this group sells. The board is no longer sold as a manufactured item but now as a kit. See
New MIDI mod?
2011-06-05 by kb_cheapmods
My Polysix is happy these days with the KLM367 clone. Now I d like to add MIDI to it. I ve built several p6retro boards for my poly-61s and I have one extra
Re: Polysix Clone KLM367a MG Problem help!
2011-06-05 by hotdogfinger25
Hi Andy, Thanks for your response! I am wondering if I might have fried IC 33 and 32 in the transfer from the old board. Would the D/A problems and the out of
Re: [PolySix] 2x voices out of tune in varying degrees across the keyboard.
2011-06-04 by Andrew Jury
Have had a couple in like this. Check C54, Q8, Q9, Q11. In fact the last one in was so unstable that evening blowing the on the area around these components
2x voices out of tune in varying degrees across the keyboard.
2011-06-03 by Carden Kent
Hello, I purchased an acid damaged polysix from ebay back in march, Its repair was left in the hands of a very reputable synthnerd, in Dublin. I would say its
Re: [PolySix] Polysix Clone KLM367a MG Problem help!
2011-06-01 by Andrew Jury
Hi Greg, You might want to have a look at the values of the components you have used around the D/A converter section of the board. If you like take a nice