Re: [vintagesynthrepair] Part for Hammond Piper Autocord 100/730
2009-04-14 by Joseph Durso
Terry: You may want to try Organ Service in Chicago. Check the MITA (musical instrument technician association) web site for his address and phone number.
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Re: Korg MS-20 problems
2009-04-14 by thirteentech
As a synth service tech for the last 28 years, I agree in principle that electros in old synths would be best replaced, and in some machines like Korg MS and
Re: Korg MS-20 problems
2009-04-13 by eggwheatis
Im defintely of the if it aint broke dont touch it school with caps. Yes of course electrolytics break down with age, but temperature and on-time have a huge
Re: [vintagesynthrepair] Re: Korg MS-20 problems
2009-04-13 by Dale (Inquisitor Betrayer)
John is not kidding, some of these older synths did not make it even that long with some of the lower quality electrolytics. A good example, the Casio DH-100,
Re: Korg MS-20 problems
2009-04-13 by John LeVasseur
... Yes I did read your post. And with any machine over 25 years old there is NO REASON not to replace electrolytics, IN THE REAL WORLD. Even if the machine
Re: Korg MS-20 problems
2009-04-13 by thirteentech
... Did you actually read my post? Your advice sounds like it is coming from a classroom rather than from the real world.
Re: Korg MS-20 problems
2009-04-13 by John LeVasseur
NOT the best advice dude. Electrolytics capacitors have a very specific shelf life, whether charged regularly or otherwise. The chemicals breakdown over time
Re: Korg MS-20 problems
2009-04-11 by thirteentech
... Some reasons to replace electros in very old machines are: Obvious leakage. Obvious lack of bottom end response. If the machine has had periods of years
Re: Oberheim OB/X
2009-04-11 by william
... Bill Nance
Re: [vintagesynthrepair] Re: Korg MS-20 problems
2009-04-11 by gnw
Thanks for the suggestion; I was wondering about the possibility of it being cap-related. I ll plan on opening it up this week and inspecting the boards. I
Re: Korg MS-20 problems
2009-04-10 by thirteentech
... Sounds like a classic case of BCB contamination, where the problem varies with humidity/temperature. As it is pretty impossible for something to get poured
Korg MS-20 problems
2009-04-10 by gnw
My MS-20 is acting up a bit, and I m wondering if any of you have encountered and/or resolved similar problems to these. The first is that if I turn the level
Re: [vintagesynthrepair] Peavey DPM3 SE-garbage in display, can't reset
2009-04-09 by Alan Probandt
... triple-layer board, that pretty much makes it toast, as the middle layer can t be cleaned up. Sounds pretty extreme. Have you opened the case to see if
[vintagesynthrepair] Peavey DPM3 SE-garbage in display, can't reset
2009-04-08 by Scott S.
The title pretty much says it all. The display will show hex gibberish, nothing else seems to respond. I bought this new, used it for many years, and about
Re: Roland/Rhodes MK-60 Dead Keys
2009-04-07 by tedwood@btopenworld.com
... Hmm. I reseated all the keyboard connectors and it went away. Now its come back again. Any suggestions (or better still a schematic...)
Crumar Toccata organ
2009-04-07 by n_i_t_z
Does anyone have any info on the Crumar Toccata organ? I can t find much of anything online about them besides one Youtube video. Just bought one on ebay last
Re: [vintagesynthrepair] Oberheim OB/X
2009-04-07 by Malte Rogacki
Have a look here: http://www.retrosynth.com/docs/obx/index.html -- Malte Rogacki gacki@gacki.sax.de ... Don t forget to TURN ON THE SYNTHESIZER. Often this is
Oberheim OB/X
2009-04-07 by william
Hey all! Well, a friend hooked me up with an Oberheim OB/X 4-voice, not the X/A but the original. I need to locate a service manual for this beast, since it
RE: [vintagesynthrepair] Re: Emu Proteus 2000
2009-04-05 by Brian Fuller
Digikey??? Mouser??? Etc.???? From: vintagesynthrepair@yahoogroups.com [mailto:vintagesynthrepair@yahoogroups.com] On Behalf Of rpcfender Sent: Saturday, April
Re: Emu Proteus 2000
2009-04-05 by rpcfender
Hi Alan thanks for the great, detailed reply. A friend with a can of cleaner/lubricant came over yesterday and I very carefully sprayed it down the the shaft.
Re: [vintagesynthrepair] Emu Proteus 2000
2009-04-04 by Alan Probandt
I had an Extreme 1, which is similar to the EMu Proteus 2000, that had a broken data wheel. It is impossible to get a replacement. Emu, or what s left of
RE: [vintagesynthrepair] Technics KN800
2009-04-04 by Jose Pereira
Hello Keith. Thanks for the info. I’ll try that. When I access the Initialization page on the Memory & Control menu the keyboard doesn’t assume the
RE: [vintagesynthrepair] Technics KN800
2009-04-04 by Kaniver
The reset is to hold down Pad 1, 2, 3, and power up. You can also access this from the Memory & control, page 2. Keith Niver Certified MITA Tech ... From:
RE: [vintagesynthrepair] Technics KN800
2009-04-04 by Jose Pereira
Thanks for the info Brian. Which model was that Technics? I also don’t have the info on which keys I have to press at start up to reset the machine. Best
RE: [vintagesynthrepair] Technics KN800
2009-04-04 by Brian Davies
Hi Jose I had a similar problem on a Technics recently. Fortunately I had a service manual and was therefore able to put it right. In my case memory backup
Technics KN800
2009-04-04 by letcista
Hello: I m trying to solve a problem with an old KN800 from Technics. The owner left it stored for aboiut two years. When he turned it on there s no message in
Emu Proteus 2000
2009-04-04 by rpcfender
Hi I am looking for some help on a Proteus 2k. All 5 knobs on the front read max(127) at a little past half way on DIAGNOSTICS 4 Panel Test. Went to 3
Help With Yamaha FS-500
2009-04-03 by gary_r_mason
Will occasionally (3x since I have owned it) fire up and let me play for 10 minutes, but no registrations lighting up at all. Then it eventually makes a small
Battery/change info for Korg 01/W and Pro series
2009-03-30 by Scott
HI... After doing some work on one : Remove all the screws in the bottom panel ( not the feet though) Lift the panel away from the unit and you ll find the
Roland/Rhodes MK-60 Dead Keys
2009-03-30 by tedwood@btopenworld.com
So, I got it powered up. I ve got a group of 5 adjacent dead keys in the middle of the keyboard. No obvious sign of beer ingress - the electronics looks like
Re: [vintagesynthrepair] Re: Roland/Rhodes MK-60 Transformer
2009-03-29 by Russell Rose
16-0-16
Re: Roland/Rhodes MK-60 Transformer
2009-03-29 by tedwood@btopenworld.com
... Is that 16-0-16 or 32-0-32 ?
Re: [vintagesynthrepair] Roland/Rhodes MK-60 Transformer
2009-03-29 by Russell Rose
The voltages at the secondary of a MKS-80 transformer(same part number) are 9.6 VAC and 32VAC center tapped.
80s synth and sampler parts available at www.Route66studios.com
2009-03-29 by Richard
Hey all Just wanted to tell everyone we still support many of the older 80s synths and samplers with parts and manuals. Check us out at www.Route66studios.com
Re: Roland/Rhodes MK-60 Transformer
2009-03-28 by tedwood@btopenworld.com
... The transformer is labelled: Bando 22455578U0 BD14F3-0011 BE2-J1R
Re: [vintagesynthrepair] Roland/Rhodes MK-60 Transformer
2009-03-28 by russrose@mindspring.com
please, what is the part number on the transformer?
Roland/Rhodes MK-60 Transformer
2009-03-28 by tedwood@btopenworld.com
I ve got a Rhodes MK-60 here whose mains transformer primary has gone open circuit. I m guessing spares will be hard to come by. There are two secondary
KORG 01/w backlight
2009-03-27 by Scott
HI Groupies... I need either a new or fix-note on the display backlight for the Korg 01/W workstation Thanks
rightkey repair link
2009-03-27 by scott frye
Just chop off the MC-505 from the link and it works. Scott Frye Audio-Fixation.net Consumer / Pro Audio Repair Southern VT Looks like verk of Moose and
Re: [vintagesynthrepair] Re: Repair people for Wurlitzer in Paris, France?
2009-03-26 by Benoit SIMON
Merci pour ta réponse. J ai trouvé des infos sur Bourdon et je vais donc poursuivre cette piste. Je note aussi Jean Lou pour mes analogiques :) -benoit
Re: Repair people for Wurlitzer in Paris, France?
2009-03-26 by vettercharlie
salut, le roi de l analogique, c est Jean Loup Dirstein, dans le 17eme. mais il repare surtout les synthé, mogg, korg etc sinon, il y a un gars specialiste
Repair people for Wurlitzer in Paris, France?
2009-03-26 by Benoit SIMON
Hello, I am searching for a repair person in the Paris area. I recently plugged my Wurlitzer (Student Piano - 206) and the AC converter started to produce a
Re: Synthex DAC
2009-03-26 by fjcanton2000
Hi. Good try, but no it is. In the schematics the 7520 DAC, the output is the pin 15. In the AD7520 the pin 15 is Vref input, and the outputs of DAC are pins 1
Re: Synthex DAC
2009-03-26 by Tom Russell
... Perhaps this is it? http://www.datasheetcatalog.org/datasheets/150/146774_DS.pdf
Synthex DAC
2009-03-26 by fjcanton2000
HI I need to know that type chip is the DAC. That this in CPU board. I do not have a Synthex to see it. I see in the schematics, but 7520 do not clarify me
Re: [vintagesynthrepair] Roland MC-505 Replacement LCD Displays at Half the Cost of Roland's!
2009-03-25 by Frequency Spectrum
pitty the link doesnt work
Roland MC-505 Replacement LCD Displays at Half the Cost of Roland's!
2009-03-25 by Roger Williams
Not up to soldering your own screen? No worries - Right Key Repair has a solution that make installation easy! Check out our modules here:
Re: [vintagesynthrepair] Re: Looking for Schematics for a Multivox Firstman SQ-01
2009-03-25 by oscillator909@web.de
oh, ok , that´s bad .... ok, this unit have a analog power supply withh transformer and rectifier /voltage regulators . ? is one voltage missing ? what´s the
Re: Looking for Schematics for a Multivox Firstman SQ-01
2009-03-25 by heliumcell
Unfortunately that is mislabeled and he only has the operations manual and not the schematics. Any resource on the web that is Google-able, I can assure you we
restoring a Crumar DP-50
2009-03-25 by pbochu
hi, I ve been given last week a broken Crumar DP-50 and I m currently repairing it. I ve repaired the power supply (one fuse, two voltage regulators and a Ta