Re: [PolySix] Another P6 with all LED's lit....
2016-07-02 by <tomlinson6050@roadrunner.com>
First thought: Your tech did not find and correct ALL the battery gunk problems. So often the best solution (albeit, a time consuming one), is to build and
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Another P6 with all LED's lit....
2016-07-02 by noddyspuncture@hotmail.com
Hi folks, been a while since I was here, but I have another question for the P6 experts amongst us. I looked at this issue a while back and then shelved it,
Re: [PolySix] BEST Key contact repair solution?
2016-07-02 by simon
for cleaning contacts, i use a regular pencil eraser. preferably the red part, and if very dirty, a soft touch with the blue coarser part. works like a charm.
Re: Re[2]: [PolySix] BEST Key contact repair solution?
2016-07-01 by <backshall1@bellsouth.net>
There was definitely gold on there when it was new. It may have already been scraped off by someone else many years ago. I definitely agree with using
Re: Re[2]: [PolySix] BEST Key contact repair solution?
2016-07-01 by jw_dewdney@yahoo.com
I think it needs further investigation. I forgot to mention - i also tried brasso a product for reconditioning tarnished brass. I figure what helps one metal
Re: Re[2]: [PolySix] BEST Key contact repair solution?
2016-07-01 by tlule@gmx.de
Agree with you. Whatever you beleive this varnish is, it should not be there and should not be removed with steel wool whatever the grade, as steel is harder
Re: Re[2]: [PolySix] BEST Key contact repair solution?
2016-07-01 by jw_dewdney@yahoo.com
fine steel wool can be quite soft . Alcohol doesn t even come close. The lacquer build up isn t affected by it. I think rubber related solvents would be the
Re: Re[2]: [PolySix] BEST Key contact repair solution?
2016-07-01 by <backshall1@bellsouth.net>
Yikes, that’s a scary way to clean those pads. They are supposed to be gold-plated, with copper underneath. Once the gold is gone they can corrode very
Re: VCO started taking longer to tune after powering up
2016-07-01 by lauri.saine@yahoo.com
Hey, thanks for this information Malte. I have a feeling it could take me a long time to pinpoint the problem myself, so I m considering taking this to a
Re: Re[2]: [PolySix] BEST Key contact repair solution?
2016-07-01 by jw_dewdney@yahoo.com
Thanks for the answers... tonight I may have busted an important myth... I m kind of hoping, anyway. After looking at the copper contacts on the keybed circuit
Re: [PolySix] tuning instability?
2016-06-30 by Malte Rogacki
And one more update: If a note is held down and the hold button pressed the pitch raises also by roughly 1 cent. I m starting to suspect this has something
Re: [PolySix] tuning instability?
2016-06-30 by tlule@gmx.de
Hi Man, So if the arpeggiator pulses influences the voice tuning, usuall the best path this goes are supply / ground lines. I recommend you measure voltages on
Re: [PolySix] tuning instability?
2016-06-30 by Malte Rogacki
Another update: After swapping out all new MC4458L s for the old opamps from the damaged board I did not notice a strong improvement but perhaps a bit.
Re[2]: [PolySix] BEST Key contact repair solution?
2016-06-30 by Rikard Latvala
I´ve used: http://www.kontaktchemie.com/koc/KOCproductdetail.csp?division=&product=GRAPHIT%2033&ilang=all&plang=all On several rubber strip type key contacts
Re: [PolySix] BEST Key contact repair solution?
2016-06-30 by Seekwhensir
Ok, just a suggestion. Prophet 600s and pro ones typically need cleaning annually, I m going on 5 years since, that includes storage. Good luck ... Ok, just a
Re: [PolySix] BEST Key contact repair solution?
2016-06-30 by <backshall1@bellsouth.net>
Yes, the Bare Conductive pen wins on price, but with selling points like “water-soluble” and “removable” it doesn’t sound like it would be a
Re: [PolySix] BEST Key contact repair solution?
2016-06-30 by Seekwhensir
Disassemble, clean the contacts in the strips and pcb with isopropyl then lightly dot each charcoal pad with conductive ink. This has been my method, 6 synths
Re: [PolySix] BEST Key contact repair solution?
2016-06-30 by <backshall1@bellsouth.net>
Just watched the video. He certainly did have problems with the bottom two strips and mentioned they might be prone to being fouled easily if a little grease
Re: [PolySix] BEST Key contact repair solution?
2016-06-30 by jw_dewdney@yahoo.com
oh wow..... those are the whole enchilada then?? i thought it kind of pricey just for dots alone! in the tests done with weigel s dots this guy
Re: [PolySix] BEST Key contact repair solution?
2016-06-30 by <backshall1@bellsouth.net>
Lasynthco has the entire rubber strips, but that’s overkill if you haven’t damaged the strip in some way. I’ve used both CaiKote and the stick-on dots as
Re: [PolySix] BEST Key contact repair solution?
2016-06-30 by <tomlinson6050@roadrunner.com>
BEST (NOT CHEAPEST) fix if NEW contacts: http://shop.lasynthco.com/product/key-contacts-for-korg-poly-oberheim-sequential-prophet-600-kawai-and-others ...
BEST Key contact repair solution?
2016-06-30 by jw_dewdney@yahoo.com
I asked this over in the mono/poly group but got no responses - so I thought I d try my luck here. I was reading a blog where someone recommended AGAINST
Re: [PolySix] tuning instability?
2016-06-29 by Malte Rogacki
Next update: After practically everything else seemed to check out I ve moved one of the original opamps to the clone board. And lo and behold - the
Re: [PolySix] Hello
2016-06-29 by Chromatest J. Pantsmaker
That s amazing. You should buy a lotto ticket or go to Las Vegas! On Wed, Jun 29, 2016 at 7:09 AM, timm.schlegelmilch@yahoo.de [PolySix]
Re: [PolySix] Hello
2016-06-29 by <timm.schlegelmilch@yahoo.de>
Nope :) Original battery and the pcb is only affected directly at one of the the soldering points (I almost did not see the leakage, so little was it). Von:
Re: [PolySix] Hello
2016-06-29 by Chromatest J. Pantsmaker
I m going to guess that your P6 had the battery replaced some number of years ago. Most of these synths had the batteries blow out on them at least ten years
Re: [PolySix] VCO started taking longer to tune after powering up
2016-06-29 by Malte Rogacki
Hello, the tuning of the voices is completely unrelated to the processor board (and potential acid damage on it). The way you describe it it sounds like a
Re: [PolySix] VCO started taking longer to tune after powering up
2016-06-29 by <lauri.saine@yahoo.com>
Anyone? :) And: if I were to replace that chip closest to the battery, is it a standard/widely available -part (as opposed to a Polysix-specific part) - got
Re: [PolySix] tuning instability?
2016-06-29 by Malte Rogacki
Update: I ve checked with my second clone board - same behaviour for PW zero. Fortunately I still have one somewhat battered original board - there is a bit
Hello
2016-06-29 by timm.schlegelmilch@yahoo.de
Hi all, Thanks a lot for accepting me in the group. I just got a Polysix in almost mint condition.. Almost, because I got it at the exactly right moment: the
Re: [PolySix] tuning instability?
2016-06-29 by Florian Anwander
Hi Malte On 28.06.16 23:59 , Malte Rogacki gacki@gacki.sax.de [PolySix] wrote: Is it normal that there is a huge AC signal on the ... This is not normal, but
Re: [PolySix] tuning instability?
2016-06-28 by Malte Rogacki
Thank you, that was a valuable tip (even though it hasn t solved my problem completely). There certainly is something coming in over the VCO Mod line but it s
Re: [PolySix] tuning instability?
2016-06-28 by <backshall1@bellsouth.net>
I’ve only heard symptoms like this after severe battery leak damage. The VCO pitch modulation control voltage coming from the KLM-367 was picking up some
tuning instability?
2016-06-28 by Malte Rogacki
Hello everyone; I m currently trying to fix two Polysix (including fittin a new processor board) and both show similar behaviour. I am not sure if this is
VCO started taking longer to tune after powering up
2016-06-26 by lauri.saine@yahoo.com
Hi, I m new to this board. This seems to be a great source of information for anything Polysix-related so thanks for having me. I could use some assistance
Re: KR55B Triggering question
2016-06-19 by jw_dewdney@yahoo.com
oops - forget it - i found the switch ... :)
KR55B Triggering question
2016-06-19 by jw_dewdney@yahoo.com
Hey long (enough) time no see. So I have one fully functioning (seems to be - more or less) P6 now (hurrah ..finally). But i m having an odd problem with it -
Re: is SynthProf still around?
2016-05-19 by jw_dewdney@yahoo.com
Andrew (synth prof) seems to be a bit MIA (missing in action) - he has a couple of my KLM367 boards he started (he was off like a shot) as of two months ago he
Re: is SynthProf still around?
2016-05-19 by john@alsobrook.org
Hi Polysixer, yep it s so obvious that even I managed to do it! Haven t had any replies. SynthProf website is still up and running.
Re: [PolySix] Re: is SynthProf still around?
2016-05-18 by Patrick Belcher
Worked for 16 years, awful fix. Ha! On Wed, May 18, 2016 at 11:29 PM, jesusgallego@gmail.com [PolySix]
Re: is SynthProf still around?
2016-05-18 by jesusgallego@gmail.com
Thanks, good job there. I ll contact you by phone to consider several options. My KLM367 was repaired by a previous owner about 16 years ago with what looks
Re: [PolySix] Re: is SynthProf still around?
2016-05-18 by moogchild synthdrome
Hi Jesus, I run a synthesizers technical service based in Spain, we are specialized in analog synthesizers, specially Polysix, Juno 106 and Minimoog model D.
Re: is SynthProf still around?
2016-05-18 by jesusgallego@gmail.com
Seems obvious but have you tried to contact him via email? I m interested too, as I m beginning a Polysix refurb project (I m new BTW, hi all!) and I was
is SynthProf still around?
2016-05-17 by john@alsobrook.org
Hi, can anyone tell me if SynthProf Synth Professor http://synthprof.com/contact.php is still doing PolySix work? http://synthprof.com/contact.php Synth
Re: [PolySix] 8049 Polysix/Monopoly Keyboard encoder chips available
2016-05-10 by eidorian@aladan.net
How does AUD$10 each with a 25% discount if you buy a whole tube of 9 sound? Postage at cost, from Australia - which can sometimes be significant so please
Re: [PolySix] 8049 Polysix/Monopoly Keyboard encoder chips available
2016-05-09 by klosmon
I ve got a vintage programmer that will handle these. If the cost is low enough, I can offer replacement 8048 CPUs for less than the original $25. Figure a $5
Re: [PolySix] 8049 Polysix/Monopoly Keyboard encoder chips available
2016-05-09 by eidorian@aladan.net
I purchased a few hundred brand new NOS 8748s in an auction a year or so ago (I wanted other bits from the lot, so they were a bonus). If anyone (~GMM?)
8049 Polysix/Monopoly Keyboard encoder chips available
2016-05-09 by klosmon
Cleaning out my shelves, have found several of these. Tested them in a Polysix, and they all work fine. KORG used this same keyboard encoder chip in the
Re: Apreggio, Chord Mode, Unison, Poly button do not work. Help?
2016-05-08 by chrismitchrocks@yahoo.com
OK I tried the old board again and it seemed to be worse than before haha so I wouldn t want to bother with it, I ll assume it s dead.
Re: Apreggio, Chord Mode, Unison, Poly button do not work. Help?
2016-04-30 by chrismitchrocks@yahoo.com
I m going to be busy the next few days but I ll try to switch it out monday and check!