Re: TR-606 Hi-hat problems
2008-06-01 by eggwheatis
PS: Also having a cap in the C46 position seems to do nothing..ie it sounds the same whether the caps in place or not.
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Re: [vintagesynthrepair] Prophet 10 dead
2008-06-01 by Philip
A quick google of spec sheet reveals that it is basically a cmos 2114 so you d be looking at a 5114 or a 5514 and variations of that. See this is where the
TR-606 Hi-hat problems
2008-06-01 by Philip
Hi guys..bought a supposedly fully working 606 of off eBay to find it has problems... 1. It wouldn t work with an AC adaptor, batteries only. Anyway I fixed
Re: [vintagesynthrepair] Prophet 10 dead
2008-06-01 by Frank Simon
I did find a chip pulling down DB4 on U311 it is a 6514 4K CMOS RAM. Thank god for IC sockets. The only problem I m a little confused on a cross for it. It
Re: Sh-101 problem
2008-06-01 by inocencio66
Hello. To anyone who were following this thread, it´s just to say I got a NOS CPU chip from Vintage Planet and the problem is now fixed. After calibration my
Need Wavestation A/D EL Driver transformer...
2008-05-31 by Dave Garfield
Hi, folx! Well, as if things weren t desperate, but not hopeless, enough - I need the EL display driver transformer for a Wavestation A/D. All those
Re:Korg EX-8000 advice...
2008-05-31 by scott frye
A schematic would be helpful at this juncture. If I could see one I might be able to help Rock on Scott Frye AudioFixation Consumer / Pro Audio Repair
Korg EX-8000 advice...
2008-05-31 by Dave Garfield
Hello, All! Got my EX-8000 back up and running... except it doesn t want to recognize velocity and aftertouch. I guess it s arthritic, or something. Is
Re: [vintagesynthrepair] Prophet 10 dead
2008-05-30 by Roy J. Tellason
... I sure wish that the manufacturers would have provided this sort of info when things started going digital... How s it supposed to act mainly. Too damn
Prophet 10 dead
2008-05-30 by fsimon100
Was curiouse if anyone can offer help. I bought a dead P10 no lights or anything. The processor is good. I put logic analyzer on decoder output and see ROM1
Looking for LOGAN BIG BAND Service info
2008-05-28 by rivarolaalejandro
Hi group, this is my first post. Does anyone have know how or some info about servicing a Logan Big Band strings synth? Any advise will be welcomed. Thank you
Re: Korg Delta Strings Only Issue
2008-05-28 by cea_six
no actually i think your right on the money. i was looking at the block diagrams and found that the last section in the flowchart is the string section. so i
Re: Korg Delta Strings Only Issue
2008-05-27 by Mu
Hello, this is a shot completely in the dark, of course, but when my Delta failed on me, it was due to a broken fader in the ADSR/synth-section. It had been
Re: Elka X-50
2008-05-27 by synapticdistortion
... Excellent. Thanks for posting these!!! Best regards, George
Elka X-50
2008-05-27 by octogonaltar
Hi, I had the schematics for this organ on my hard drive, so I ve uploaded them to the file section. Unfortunately, I don t have an actual service manual or
New file uploaded to vintagesynthrepair
2008-05-27 by vintagesynthrepair@yahoogroups.com
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the vintagesynthrepair group. File :
New file uploaded to vintagesynthrepair
2008-05-27 by vintagesynthrepair@yahoogroups.com
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the vintagesynthrepair group. File :
Re: [vintagesynthrepair] Re: Vibrato is Chopping but chorus is fine
2008-05-26 by Alex Parr
Hi, Thanks for your reply. I ve read about the term. Can you tell me how to do it? Does it potencialy damage the organ?
Re: Vibrato is Chopping but chorus is fine
2008-05-26 by johnx66uk2003
... rid of. When I turn the organ ... were stick. Then, I turn ... noise disappear. When I ... select the Chorus I, II or III it ... Hi Alex. This is
Vibrato is Chopping but chorus is fine
2008-05-26 by alexparrca
Hi folks, I ve had this funny problem with my A-100 that I just can t get rid of. When I turn the organ on, as soon as the Leslie warms up, I hear a sound as
Re: Source for replacement keys for an Elka?
2008-05-26 by synapticdistortion
... germany ... some ... If yes, ... Hi Martin, Thanks for the information. I ll be sure to contact Mr. Jeske. Unfortunately, I don t have any documentation
Re: Source for replacement keys for an Elka?
2008-05-26 by martinreuter
Hi George, sorry, but I need all the keys of my lovely x-50 and the only adress to ask - here in germany - is this guy: info@elka-musik.de His Name is Lothar
Re: Arp 2600 parts.
2008-05-25 by Mrs. Synthfool
... Monica actually has the Ebay stuff under the Ebay ID of married_with_patchcords ... Yep, that s us. :) As I see a lot of familiar names in here, I ll also
Source for replacement keys for an Elka?
2008-05-24 by .g.n.w.
I am attempting to track down two replacement keys for an Elka X-50 organ, and thus far failing miserably. I d love to hear from anyone who either might have
To Ground or Not To Ground?
2008-05-23 by cea_six
hello anyone, Should i ground my vintage synths. i dont have a ground outlet in my room and used my MOOG OPUS 3 for day before the filter section went out. i
Roland VK-09 Service Manual
2008-05-23 by cea_six
hello anyone, anyone got this service manual. i found a website that sells it but only in the UK. any quicker and more convient way to get here in the US.
Roland Juno 106 Noise HCF Problem.
2008-05-23 by cea_six
Hello anyone, My Roland Juno 106 has a Noise and HCF problem with other suttle problems. the noise section wont turn off when i turn it off. the noise section
Korg Delta Strings Only Issue
2008-05-23 by cea_six
Hello anyone, i got a Korg Delta with the Strings Only Issue. Everything but synth section works on it. has anyone run into any similar problems. im gonna
Moog Opus 3 Filter Section
2008-05-23 by cea_six
Hello Everyone, i just bought a Moog Opus 3 from someone for $400, which is a hella deal considereing its near mint with slight issues. Ne ways i powered it
Re: Arp 2600 parts.
2008-05-21 by jahg88
Thanks all.I know Kevin.I ll give him a call ... keyboard only. ... can be ... website than ... for a ... faders,but it ... found are ... Ebay.No
Re: [vintagesynthrepair] Arp 2600 parts.
2008-05-21 by Michael Theobald
What I said before about synthfool.com having the 100k sliders was incorrect. The 100k sliders that they have are for the 3620 keyboard only. They have the
RE: [vintagesynthrepair] Hinky EX-8000
2008-05-21 by timothy kosiorek
Hello:How or what condition are your MIDI cables in,try them with something else,they usually have molded ends and you have a hard time telling if one of the
Hinky EX-8000
2008-05-21 by Dave Garfield
Hello, folx! Got a problem... I have a mixed-up, messed up Korg EX-8000. The problem? It refuses to listen to MIDI. It seems to boot up ok, displaying
RE: [vintagesynthrepair] obsolete component part sourcing
2008-05-20 by Scott Nordlund
... Right, the problem is finding surplus vendors that actually have the part and will sell it in quantities of less than 1000. The particular chips I m
Re: [vintagesynthrepair] obsolete component part sourcing
2008-05-20 by John Loffink
You want to look for surplus part vendors. The one I ve used in the past, Great Plains Electronics, has many obsolete memory parts, most older than the one
RE: [vintagesynthrepair] obsolete component part sourcing
2008-05-20 by Scott Nordlund
This is a (drastic) modification rather than a repair, so it s not a stock part. The stock part is a 21256 256K x 1 bit DRAM, and I am attempting to replace
Re: obsolete component part sourcing
2008-05-20 by thirteentech
What is the chip number and do you know what machines used them?
Farfisa Power Cord
2008-05-20 by Kirk Topits
Hi All, I recently purchased a Farfisa OS42SR preamp, circa 1970. Farfisa was using detachable (modular) power cords for amps. However, this was prior to the
Re: [vintagesynthrepair] obsolete component part sourcing
2008-05-19 by Russell Rose
what s the manufacturer part#?what s the yamaha part#? ... what s the manufacturer part#?what s the yamaha part#? On May 19, 2008, at 5:50 PM, Scott Nordlund
obsolete component part sourcing
2008-05-19 by Scott Nordlund
I m looking to get a rather unusual SRAM chip (4M x 1 bit, 5V, asynchronous, parallel interface) for a project I m working on (Yamaha VSS-200). These chips
Re: arp odyssey mk1 sample and hold problem
2008-05-18 by Johnny
great! i did print this out and put this with my oscilloscope probe, i just haven t been into the lab at my school yet! i ll report back here as soon as i
Re: arp odyssey s+h continued...
2008-05-18 by Johnny
maybe i missed it. let me go back and look ... identify ... why you
Re: [vintagesynthrepair] Re: Changing minimoog rocker switches
2008-05-18 by Terje Winther
... No, unfortunately not. ... Yes, indeed so. ... I will try to no do that, because it is not broken, just slightly intermittent. ... Thanks. I think I will
Re: [vintagesynthrepair] arp odyssey s+h continued...
2008-05-18 by Malte Rogacki
... I had given you a pretty detailed step-by-step description how to identify the problem. What were the results for this? -- Malte Rogacki gacki@gacki.sax.de
Re: Changing minimoog rocker switches
2008-05-18 by martinreuter
... Hi, can you see any nuts whitch hold the switches?? Or are the threads in the metal chassis of the switches? If you see nuts, try to loosen them - maybe
Changing minimoog rocker switches
2008-05-18 by Terje Winther
You probably all know this, but it puzzled me today working on an early minimoog with the metal front panel: How do you change those rocker switches? They
Kurzweil K2500R
2008-05-17 by David
Hi I have a little problem with my k2500R Sometimes, I must turn on the power button several times to have the screen lighted ??? Does anybody have an idea
Re:Polivoks synth problem, static audio tone and VCOs totally detun
2008-05-17 by scott frye
There s a circuit that has gone bad and is oscillating ( one that s not supposed to) I would have someone check the power supply lines with an oscilloscope to
Re: rewiring MKS70 power supply for 230v ....
2008-05-17 by gil_we
Thanks, I know the MKS70 very well. I had a failed one a while ago, with all kind of problems. This one is untouched. I ll use a step down transformer. ...
Re: [vintagesynthrepair] Re: rewiring MKS70 power supply for 230v ....
2008-05-17 by PeWe
If you have an external quality downstrip transformer available, just use it. Only disadvantage is, you have an additional external device to carry around. How