Re: Portamento circuit DIY
2009-02-21 by mrjdevries
Ok, that ASCII schematic didn t come out right. ... Notice that this circuit will produce linear glide like the Minimoog (rather than exponential like just
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Portamento circuit DIY
2009-02-21 by mrjdevries
Hey all. I need to build a simple portamento circuit for one of my CV d up synths.. just wanting to know if anyone has some ideas? (It s 1V/octave) I found
Casio RZ-1 Sampling Drum Machine Service manual wanted.
2009-02-15 by mrjdevries
I know it s a bit of a long shot, but does anyone have a copy of this? Regards Mike
Re:Kprg M1 service manual/circuit diagram
2009-02-14 by scott frye
You ..are welcome....earthling. Scott Frye AudioFixation Consumer / Pro Audio Repair Southern VT Looks like verk oV Moose and Svirrel !!! You ..are
Re:Kprg M1 service manual/circuit diagram
2009-02-14 by rpcfender
Thanks Scott absolutely brilliant Royce
Re:Kprg M1 service manual/circuit diagram
2009-02-13 by scott frye
Service manual sent to files area. Godspeed! Scott Frye AudioFixation Consumer / Pro Audio Repair Southern VT Looks like verk oV Moose and Svirrel !!!
Re:Is it possible to repair broken tracks on a contact strip?
2009-02-13 by scott frye
Get a roll of kynar wire , strip some and patch your runs with it. You ll need a small pencil soldering iron,0.032 solder and a steady hand. Scott Frye
Viscount VS-20 Intercontinental
2009-02-13 by ken k
Hi all, I just picked up a Viscount VS-20 Intercontinental keyboard (not exactly a sythn, but it wails with the best of them.) Would anyone have ANY
Kprg M1 service manual/circuit diagram
2009-02-13 by rpcfender
Hi all anyone know of a location of a M1 cct diag or service document?? Thanks Royce
Is it possible to repair broken tracks on a contact strip?
2009-02-13 by Pascur
I ve determined that the dead keys on my D-5 are caused by breaks in two of the tracks in the keyboard contact strip - one of which is several millimetres
Lots of service manuals in PDF format!
2009-02-13 by Pascur
Apologies if this has been posted before, I came across it while searching for a manual. It s quite a lot of synth service manuals in PDF format!
Re: [vintagesynthrepair] Roland D-5 pitchbend potentiometer - need a replacement
2009-02-12 by Russell Rose
all 4 legs of this pot go somewhere according to D5 SCHEMATIC. the fourth leg is a tap, we have replacements, where do you want it sent? please dont say
Re:Roland D-5 pitchbend potentiometer - need a replacement
2009-02-12 by gerryrdahl
Hi, Typically the 4th lead is a center connection half way between the pot full clockwise and full counter clockwise. The idea is that you could connect this
Re:Roland D-5 pitchbend potentiometer - need a replacement
2009-02-12 by scott frye
I have some 4 lead pots for peavey amps. The 4th lead goes nowhere. Why would peavey would buy this ALPS pot for amp when the 3 leads for fine?? Scott Frye
Re: Roland keys for sale... Minimoog repair question
2009-02-12 by Wayne Griffin
I had two questions- I have a Minimoog that s been down for a while butI know where the fault on it is. Is it possible to send in my VCF/VCA board? The problem
Re: [vintagesynthrepair] Re: Prophet 10 keyboard
2009-02-12 by Miguel Mendoza
Cool, I ll try like this. By the way, have you ever tried to upload sounds via sysex to the synth? do you know the procedure? Thanks a lot for your answers.
Re: Prophet 10 keyboard
2009-02-12 by gerryrdahl
Hi Miguel, I just finished re-assembly of a Prophet 10 lower keyboard. I get to do the upper this weekend. I have not used that kit, but I have the replacement
Roland D-5 pitchbend potentiometer - need a replacement
2009-02-11 by Pascur
I have a D-5 with a trashed pitchbend potentiometer - it literally fell apart when I removed it. The modulation sensor still works fine, so I don t want to
Re: [vintagesynthrepair] Re: Prophet 10 keyboard
2009-02-11 by Miguel Mendoza
Thanks a lot for your words Martin, In more in the mood of doing it after reading your message ;-) Still afraid of the dissasembling process, any help about
Re: Prophet 10 keyboard
2009-02-11 by martinreuter
Hi Miguel, i restored my Minimoog Keyboard with the set from Virtual-Music - it is really fantastic!! It feels now like playing a brand new organ, you can play
Prophet 10 keyboard
2009-02-11 by Miguel Mendoza
Hello group, I m preparing to restore the bottom keyboard of my Prophet 10 using the Universal Keyboard Upgrade from
Re:Arp Quadra
2009-02-11 by jim finch
The question would be if the TTL has been damaged by the overvoltage,(12vs. 5 volts).I have seen personally TTL survive overvoltage conditions.
Arp Quadra
2009-02-11 by gerryrdahl
Hi Team, Have any of you got an Arp Quadra? I was wondering if you remove the processor/lead-mix/polyboard interconnect board, if the presets/patch buttons
Re: Anybody have schematics for eminent ARP Solina with 8pin 741's?
2009-02-10 by scott frye
Here s a link that gives more info on the Solina/Eminent/2100 http://www.soundonsound.com/sos/may07/articles/eminent310.htm Scott Frye AudioFixation Consumer
Re: [vintagesynthrepair] Re: Anybody have schematics for eminent ARP Solina with 8pin 741's?
2009-02-09 by Philip
I ve only ever seen one set of drawings for the Solina. I have orignals but they look like the ones that are easily found on the net in PDF. I have an early
Re: Anybody have schematics for eminent ARP Solina with 8pin 741's?
2009-02-09 by Robert Weigel
Sorry Eli, that s the link that is already pointed to on my sounddoctorin.com global synth page (bookmark it if you don t already have it. Anything you are
Re:Faulty JX3P and D5 - any ideas?
2009-02-08 by scott frye
Did the battery on the JX3 leak out on the PC board at all? On the D5 ..I would resolder any connectors and reseat any connectors having to do with the
Re: Faulty JX3P and D5 - any ideas?
2009-02-08 by rpcfender
It is likely that the battery went flat and corrupted what was in memory. You have replaced the battery, did you re-initialise it? I don t have a JX3P but you
Faulty JX3P and D5 - any ideas?
2009-02-08 by Gwydi
I have a JX3P that was unused for several years. When first powered on, some of the lights would come up but there was no response to pressing any of the
Anyone have an Octave Cat SRM knob they'll sell?
2009-02-03 by gzk_2002
Please send me a message if you do. thanks
Re: Ticking noise on Juno 106 chorus circuit
2009-02-01 by thirteentech
They are still available, I buy them from Wes Components in Sydney, Roland Australia still have them or a close sub, or if you get really stuck there are
Re: Ticking noise on Juno 106 chorus circuit
2009-01-31 by gil_we
Well said. That was indeed one of these transistors ! Any known substitutes for these ? ... purpose NPN and PNP ... often. They begin to ... TR909 s all the
EMS Service Manuals?
2009-01-29 by Jonathan
Does anyone have a service manual for the EMS Synthi Hi-Fli? I know it s a rare beast, and that ll I ll never own one unless I win the lottery (which I don t
Re: [vintagesynthrepair] Do I have a new friend?
2009-01-29 by Roy J. Tellason
... I just got one of those too. And in addition to using every unsubscribe/don t-bother-me-again/etc. link in there I also forwarded it to my ISP s spam
Do I have a new friend?
2009-01-29 by martinreuter
Hi, sorry about the untechnical question: Who the hell is Fred Del Vecchio? I´ve got a mail with an unusual invitation - is there anybody who got this mails,
Re: Ticking noise on Juno 106 chorus circuit
2009-01-27 by thirteentech
Look for a leaky transistor in the chorus circuit. The general purpose NPN and PNP transistors that Roland used in so many machines seem to fail quite often.
Re: Ticking noise on Juno 106 chorus circuit
2009-01-26 by Scott
... helps... ... Does that part of the circuit have a potentiometer? Most discrete chorus circuits Ive seen have a pot that needs to find the sweet spot
Re: Ticking noise on Juno 106 chorus circuit
2009-01-26 by Dorus Manassis
... i think i have the same problem with my MKS-50.... i would be interested to know too....
Re: Optigan question
2009-01-25 by duncan
I m not familiar with the insides of the optigan (I m a mellotron owner!), but it seems to me that the extra coating of rubber is unlikely to be the sole cause
Re: Roland U-20
2009-01-24 by LonePiper
Hi Thanks for the response. I eventually tore the keyboard apart over the course of a week and finally got the keyboard subsystem out. What a pain! To clean
Wurlitzer 200A speakers
2009-01-22 by nico678
Hi everybody, I m a new member of this group. I have a Wurlitzer 200A electric piano with missing speakers. Does anybody knows the specifications of those
Re: Ensoniq ESQ-1 (metal case) Battery replacement
2009-01-22 by dwcalifornia
I just changed the battery on my ESQ-1 a few weeks ago. I have the instructions somewhere, and will try to forward them to you. Michael C.
Optigan question
2009-01-21 by gnw
Hi Folks, I m in the process of restoring my Optigan, and I have a question about the drive mechanism. On mine, the brass flywheel that the rubber drive wheel
Re: Roland U-20
2009-01-20 by Eli Corral
Hi, The problem here can be that the pink glue that holds in the weights under the keys themselves is melting and this is a mess. It will melt onto the rubber
Re: Anybody have schematics for eminent ARP Solina with 8pin 741's?
2009-01-20 by Eli Corral
Sorry,....Here is the site addresshttp://www.acc.umu.se/~polarn-p/sas/Solina/
Re: Anybody have schematics for eminent ARP Solina with 8pin 741's?
2009-01-20 by Eli Corral
Any Luck yet. If not here is a site with pdf schematic. eminent ARP Solina if you need datas sheets for a 741 just goolge Data sheet 741 op amp Hope this
Re: [vintagesynthrepair] Anybody have schematics for eminent ARP Solina with 8pin 741's?
2009-01-16 by Philip
http://www.national.com/ds/LM/LM741.pdf ... From: Robert Weigel Subject: [vintagesynthrepair] Anybody have schematics for eminent
Re: Roland U-20
2009-01-16 by Robert Weigel
... Lots of times the ribbon cabling starts to crack etc. Roland has a retro I think for it still or maybe it s only retro d for the Rhodes 660 that I did a
Anybody have schematics for eminent ARP Solina with 8pin 741's?
2009-01-16 by Robert Weigel
Seems I can only find the ones with 14 pin package ones and I think there are some minor differences that are going to cause me much pain in diagnosing this
Ensoniq ESQ-1 (metal case) Battery replacement
2009-01-14 by fillwald
Hey, So Ive got the replacement battery ready to replace it only to find the guide I was following is for a different model, the battery is hard to get