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2012-12-11 by Kim Günther Hansen
Try this forum – maybe someone there knows http://eiiiforum.com/index.php?PHPSESSID=j4a0c6j5hbbd0jkj1lvc5k24p4&board=5.0 Kim From: Brian
2012-12-11 by John Henson
Hi Snowleopard, I am assuming you are referring to the 72 key model. The aftertouch and key trigger systems are separate, so you can have one without the
2012-12-11 by John E. Simmons/Business
Yes - these synths have the Fatar keyboard and they are notorious for this problem. You have to open the synth and either clean or replace the little key
2012-12-11 by Roger J
Yes, very common failure on keyboards with rubber contacts. You will either find debris under it or the contact is torn. Replacement is always best and in
2012-12-11 by snowleopard
Anyone have experience with a Kurzweil K2600(s)? I have one that has a few keys that do not trigger on/off. The synth will produce those sound internally (via
2012-12-11 by Brian
Some non-polar caps do have a positive and negative marking, don t ask me why I don t know. You would need to consult the schematic to ascertain whether or
2012-12-11 by Gil
Thanks, I replaced them with bi-polars, no change in behavior (works just as before, no sample in signal). What do you think ? should I keep the bi-polars
2012-12-10 by Brian
You can replace with non-polar without any problem Regards Brian G3OYU From: vintagesynthrepair@yahoogroups.com [mailto:vintagesynthrepair@yahoogroups.com] On
2012-12-10 by Gil
I have a nice Emulator II which doesn t sample from the day I got it. You see no signal when playing into the input (using another synth, or an electric
2012-12-08 by Gil
Should be in the service manual. Check the Polysix Yahoo group, I uploaded it to its Files section some time ago.
2012-12-08 by jammie
depends on where you live in usa sounddoctrin syntaur and yamaha themselfs in uk you have northmusic who sells keys on ebay ... From: Craig A. Green To:
2012-12-08 by Craig A. Green
Howdy all, I need to acquire a black sharp/flat key for a Yamaha VL7 VA Synthesizer. I am assuming this part is similar to the key beds on SY85, and others of
2012-12-07 by Lorne Hammond
There was one on ebay about four months ago not sure that it sold. eBay is not so good on posting wants unfortunately. Lorne From:
2012-12-07 by Thomas
Hi guys, first of all I must say, that adding myself to this list is one of the best I ever did :-) Thanks again for all the help and emails ! Hope I can be as
2012-12-07 by alesisfusion8hd
Update: VCA EG (SSM2056) on voice 0 replaced. Everything now Ok, but definitely needs recalibration. Does anyone have the calibration procedure?
2012-12-06 by Stephen R. Alcorn
I really hope this isn t too off-topic. For those who may be interested in old-school analog synthesis, I have completed a CD of Christmas carols performed
2012-12-06 by synthparts
I have some OB-SX voice cards. Doug synthparts.com
2012-12-05 by Roger J
All of the parts and test fixtures that were in the Obie service department went to the National Music Center in Calgary, Alberta, Canada. Contact John at
2012-12-05 by Thomas Heckmann
Hi again, so as I repaired the OB-SX today (besides trying to fix the OBXa) I m now looking for more voice cards for the OB-SX. Mine only has a poor one
2012-12-05 by Thomas Heckmann
In the meantime I have repaired a faulty OBSX. The Z80 was gone... I will probably forward the OBXa to my technician, as he s pretty good with all the computer
2012-12-05 by Roger J
Been a couple of years since I did an OBXa. One of the ways to work on issues related to a CPU that will not run is to ground the data bus of the CPU. This
2012-12-05 by Thomas Heckmann
HI, it s powering up, but just a few LEDs are on and no sound or response from the keys to the voiceboards. The Z80 is fine, too. Thanks, Thomas On Dec 5,
2012-12-05 by Roger J
What are the issues that you are trying to correct? There are built in aids like calibration and no op. ... What are the issues that you are trying to
2012-12-05 by Thomas
Hi guys, thanks for approving my membership to this list :-) I m restoring an Oberheim OBXa 8-voice and looking for the diagnostic EPROM with paperworks for
2012-11-27 by alesisfusion8hd
Update. Issues fixed: on one module, the battery was really finished. On the two other modules, the batteries were obviously replaced, but I suspect the job
2012-11-16 by jammie
an all file is the best sysex when sending to an m1 as it will send all program and combi and sequencer data the combis need to have the corect patches
2012-11-16 by Quazimodo
Hi folks, I was recently given an old Korg M1. It had a dead battery and a few other issues, all now sorted. I managed to download some .SYX files of the
2012-11-16 by analogsrule
Although not really a synthesizer, I was hoping for a bit of help with my Hammond X5. Can anyone tell me the easiest way to get underneath the switch panel on
2012-11-15 by jammie
contact thesoniq he has the last of the spare and also has product codes he should be able to help ... From: intrepidpete To:
2012-11-15 by intrepidpete
Got an Ensoniq MR Rack, but the Value rotary encoder and the Volume pot are bad. I found the details on the rotary encoder, so I can order a few of those. But
2012-11-14 by Lorne Hammond
This is a great moderately priced product I used to rebuild a dx-27 contacts. http://www.mgchemicals.com/products/specialty-products/rubber-keypad-repair-
2012-11-14 by Mark Wallis
Well, it s definitely a synthesiser, just a highly-specialised one that pours all it s power into making piano waveforms. Try the soft pencil thing. It also
2012-11-13 by Mark Wallis
This may be a terrible bodge, but I ve found that drawing on them with a soft pencil seems to do the trick in my Nord Lead 2. It s worth a go. Still seems fine
2012-11-13 by José Pereira
I use graphit spray from Contact Chemie. Best regards. José Portugal De: vintagesynthrepair@yahoogroups.com [mailto:vintagesynthrepair@yahoogroups.com] Em
2012-11-13 by Nicolas
Hi everybody, I know this is not about a vintage synth but it could be useful. I m trying to fix a old Roland HP-5000SL digital piano that a velocity problem
2012-11-12 by alesisfusion8hd
Hi group, I ve got a TX-816 on my workbench. On startup, 4 units shows a code 4 (low battery). On two units, the battery have already been replaced and shows
2012-11-12 by alesisfusion8hd
Check the colored cables interconnecting the two voice boards; two are strait, one is twisted. I had this problem on mine, and I spent a lot of head-scratching
2012-11-11 by Paulo Palmieri
Yes, that´s the right ways to solve the problem! ... From: jammie To: vintagesynthrepair@yahoogroups.com Sent: Sunday, November 11, 2012 7:44 AM Subject: Re:
2012-11-11 by jammie
but you are right he should check that cap as he might of done a cold solder joint he will know once he has done the check on pin 12 of the cd4007 chip ...
2012-11-11 by Paulo Palmieri
Sorry, I didn´t read the messages below... ... From: jammie To: vintagesynthrepair@yahoogroups.com Sent: Sunday, November 11, 2012 7:13 AM Subject: Re:
2012-11-11 by jammie
he said he replaced all the tantalum caps ... From: Paulo Palmieri To: vintagesynthrepair@yahoogroups.com Sent: Sunday, November 11, 2012 9:07 AM Subject: Re:
2012-11-11 by Paulo Palmieri
There is a tantalum cap there in the oscillator around the MK5024 that kills the oscillator. It´s common issue finding this cap shorted. ... From: jammie To:
2012-11-11 by jammie
first thing set you oscilloscope to the master oscilator and make sure your getting a square wave put it on pin 12 of the cd4007 this then goes to the top
2012-11-11 by Mark
I am in desperate need of some direction! I picked up a broken ARP Omni MK1 last year on craigslist as a project, because of the success I had read about
2012-11-10 by hughvartanian
3.58Mhz was a very popular frequency, used in all color tvs. Try using that, or another crystal or oscillator, and measure the output frequency of 1 of your
2012-11-10 by hughvartanian
Hi TOM, Sorry for not getting back to you. I ve been busy and I noticed you had answered some of my questions in this thread. Probably my bad for starting
2012-11-09 by Alan Probandt
Hello, I bought a Vintage Keys on eBay about a year ago and it had a Plus expansion board installed. However I found that most of the new instruments are
2012-11-09 by max_61_it
Thank you all friends for your replies! Unfortunately, the value of quartz is not printed on the PCB. I will try to contact the epr electronics like said
2012-11-09 by Keith Winstanley
Or even send me the Rom images? KW ... Or even send me the Rom images? KW On 9 Nov 2012, at 09:03, Keith Winstanley wrote: Speaking of the
2012-11-09 by Keith Winstanley
Speaking of the VK I have the original, can anyone burn me the ROMs to make it a VK plus as these are impossible to source? Cheers Keith ... Speaking of the VK