Re: memorymoog plus - freq mod issue
2010-10-05 by duncan
... found the schemo at memorymoog.com. U13 is your culprit, I reckon, & if I m right, you ll have lost pwm on osc 1 aswell. schemo here:
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Re: memorymoog plus - freq mod issue
2010-10-05 by duncan
... the pwm is ok too? still poring over the service manual myself, but my best suggestion at this point is that you ve got one or more dead 4016 ICs on the
Re: memorymoog plus - freq mod issue
2010-10-05 by lordofthesynths@yahoo.com
Duncan / All, Yes, in the LFO Modulation section, all seven destination LEDs light up: OSC1 Freq, OSC2 Freq, OSC3 Freq, PW1, PW2, PW3 and Filter. However,
Re: problem with JP-8000, pitchbend /lfo 2 section.
2010-10-04 by Bakis Sirros
ok, problem solved. it just needed the test and set procedure for the bender and ribbon controller, described in the service manual. Bakis Sirros - Parallel
Re: [vintagesynthrepair] problem with JP-8000, pitchbend /lfo 2 section.
2010-10-04 by Daniel Forró
Kali mera, it looks really like problem with some connector, or short circuit on some cable (maybe cabel is pressed somewhere). So I would check once more
problem with JP-8000, pitchbend /lfo 2 section.
2010-10-04 by Bakis Sirros
hi lists, i recently got a battery low message in my jp8000, so, today, i changed the battery (with the correct type of course). it was an easy process and
Does anybody have suggestions for fixing a buested ribbon cable on a SCI P600?
2010-10-04 by Mike
Does anybody have suggestions for fixing a busted membrane ribbon cablefor a Sequential Circuits Prophet 600? I don t think that mine ever worked right. When I
Re: Voltage Control Question
2010-10-03 by Quazimodo
Thanks Mike, We have the MS-02 schematics here somewhere I belive so it would be quite easy to build the Log Amp as I think it s called. Also - I think the
Re: Voltage Control Question
2010-10-03 by Mike de Vries
Korg made a converter, The Korg MS-02 (Not MS-20 lol) They are not that common, and cost a few bucks when they come up. no, tom, not directly, as you
Re: Voltage Control Question
2010-10-03 by duncan
no, tom, not directly, as you correctly surmise, the two manufacturers used different scaling systems. yamaha & korg went hz/volt (except for the korg
Re: Voltage Control Question
2010-10-01 by Quazimodo
Hi Daniel, I was meaning the Moog 901a and 901b modules...;c) Cheers, TOM
Re: Help! Yamaha CS15 notes sustain indefinitely-- no release!
2010-10-01 by martinreuter
Sorry, there is NO switch, it´s a pot! Every VCA has a Pot namend Initial Level . Fully clockwise you will have a drone, counterclockwise the sound
Re: Help! Yamaha CS15 notes sustain indefinitely-- no release!
2010-10-01 by martinreuter
... Hi, there should be a HOLD switch, maybe two of them (i don´t remember,....does the cs 15 has 1 or 2 VCAs?) Or is it a CS15m???? Cheers martin
Re: Turning a vintage synth on after 30 years
2010-10-01 by Susie
Glad you like my music Quazimodo! Picking up on the tantalum caps comment. Yes, in my RS202, the dead notes were caused by dead tantalum caps. The
Re: [vintagesynthrepair] Voltage Control Question
2010-10-01 by Daniel Forró
I don t know what is Moog Modular Oscillator, and why it should need Gate signal. Gate or trigger is used to start envelopes, it has nothing to do with VCO.
Re: Turning a vintage synth on after 30 years
2010-10-01 by Quazimodo
I checked out your Myspace Susie and I like your tracks...;c)
Re: [vintagesynthrepair] Help! Yamaha CS15 notes sustain indefinitely-- no release!
2010-10-01 by plat@simnet.is
That s a classic by now .... There s a pot called Initial Level.. You might have tried it but I have had a few in for repair..I turn it on , turn down initial
Help! Yamaha CS15 notes sustain indefinitely-- no release!
2010-10-01 by Mark
I picked up an old Yamaha CS15 from a friend, and upon powering the beast up, I found that the notes drone on endlessly regardless of what settings I use in
Re: [vintagesynthrepair] Re: Turning a vintage synth on after 30 years
2010-09-30 by klosmon
Having repaired around 300 Prophet 5s, I ll just say that the tantalum bypass caps (used on the power supply, CPU and voice boards) are the leading cause of
Re: [vintagesynthrepair] Re: Turning a vintage synth on after 30 years
2010-09-30 by grantbt@jps.net
Just turn it on. You might be surprised. Things with CPUs inside don t like variacs. GB -----Original Message----- From: Susie Sent: Sep 30, 2010 7:23 AM To:
Re: [vintagesynthrepair] Re: Force Sensing Resistor for 88 key Fatar keybed
2010-09-30 by Roger J
When I left Kurzweil 2 years ago I had 50 in stock. Most of these were still there last year when I went back to determine what would go to AM&S. Contact parts
Re: Turning a vintage synth on after 30 years
2010-09-30 by Susie
The electrolytic capacitors in the PSU (amongst others) are likely to be dried out, and as you are going to have to replace them anyway that s the first thing
Re: Force Sensing Resistor for 88 key Fatar keybed
2010-09-29 by jfmcgrathmusicnet
Peavey no longer has keyboard parts. Alesis can sell a full key bed, but that s over $400. They don t have just the pressure ribbon. Anyone else have an
Turning a vintage synth on after 30 years
2010-09-29 by stompboxaron
Any tips on how to minimize any damage when turning on a vintage synth after 25+ years? One is a Prophet 5 and the other an Emulator II. Just trying to get any
Re: Force Sensing Resistor for 88 key Fatar keybed
2010-09-29 by jfmcgrathmusicnet
There is a good picture of the sensors at http://johnp.net/images/photos/lmk3+/keybed-left-end.jpg. There is one under the black keys and one under the white
Re: Force Sensing Resistor for 88 key Fatar keybed
2010-09-28 by Scott
... Hi Francis, Can you get us a pic of another? I repair keyboards here and I m always wanting to know more . Plus we might be able to help
Re: Force Sensing Resistor for 88 key Fatar keybed
2010-09-28 by narfman96
Alesis may still have these. 401-658-5760 Peavey used these keybeds too but I know they are out of stock. Fran
Force Sensing Resistor for 88 key Fatar keybed
2010-09-28 by jfmcgrathmusicnet
Does anyone know where to get force sensing resistors for 88 key Fatar keybeds? Fatar doesn t answer email and google hasn t yielded anything except 24 inch
Re: Wurlitzer 200 amplifier capacitor substitutions?
2010-09-27 by Alexis V. Rogers
The 1000uF/50V is a standard value so you should have no trouble finding one of those. Cornell Dubilier and Vishay/Sprague make 500uF/50V caps. Mouser has
Wurlitzer 200 amplifier capacitor substitutions?
2010-09-27 by Feurich
Hi all. Could anyone advise me as to what values I can substitute for the three aluminum electrolytic capacitors? The original are one 1000uf 50vdc, two are
Voltage Control Question
2010-09-27 by Quazimodo
Hi everyone, This might be a stragne question, maybe not, but I reckoned you guys here would know the answer. If I wanted to control a Moog Modular
Akai AX80 service manual/schematics wanted
2010-09-27 by Alexis V. Rogers
Does anyone have a scan of, or link to, the service manual or schematics for the Akai AX80. I have one here on the bench and buttons 8, 16, 24-26, 28, and 32
vermona sk86 service manual
2010-09-27 by gff_ims
Hi All , have one of these in for repair. Never seen one before and have no service manual. Can anyone help, i m googled out. regards Geoff
Re: [vintagesynthrepair] Re: Roland Jupiter 6
2010-09-25 by Christian Schonberger
Hi, Thanks for the information. First I will se what I will ne to get the JP6 up and running again smoothly - then I will very likely come to you and order
Re: Roland Jupiter 6
2010-09-25 by synthparts
Hi I have almost every part for the Jupiter-6 in stock - www.synthparts.com
Re: Siel DK70 Not powering up-- anyone have a service manual?
2010-09-25 by Mark
I ll check those when I get home. This model takes the standard wall-wart, 12VDC, 1.5a. It also doesn t power up when fresh batteries are installed... I don t
Re: Siel DK70 Not powering up-- anyone have a service manual?
2010-09-25 by Scott
Re: Siel DK70 Not powering up-- anyone have a service manual?
2010-09-25 by Scott
... Check for AC ripple on the Electrolytics on the P.S. board. Any more than 5% of the DC not so good. Check rectifier diodes with a meter.
RE: [vintagesynthrepair] Siel DK70 Not powering up-- anyone have a service manual?
2010-09-24 by timothy kosiorek
I ve got a DK70 and a service manual ,I ll need to look around for it but I can send you some scans of the boards and circuits you need,just let me know which
Siel DK70 Not powering up-- anyone have a service manual?
2010-09-24 by Mark
I was wondering if any of you had a schematic or a service manual of this synth. When I switch the keyboard on, I hear a faint click in the psu section, but
Re: [vintagesynthrepair] Roland Jupiter 6
2010-09-24 by PeWe
Hi Christian ! I´m in Hamburg/germany and Roland is not far from my home. I also have a prob getting a rare chip for a D550 which is a much younger synth than
Roland Jupiter 6
2010-09-23 by Christian Schonberger
Hi group, I m new here and I apologize if I com running in immediately with a question: I have a Roland Jupiter 6 which I bought when it cane out back in
Re: memorymoog plus - freq mod issue
2010-09-23 by duncan
... if you have the schemos, the next thing to do is find a local tech who can follow them better than you... :-) it sounds as though there s a failure of the
memorymoog plus - freq mod issue
2010-09-22 by lordofthesynths@yahoo.com
All, I could use some help with my memorymoog plus. I recently noticed that the Mod Wheel was no longer applying vibrato to the oscillators. At first, I
Re: [vintagesynthrepair] Re: MiniKorg 700 Restoration Project - Parts needed!
2010-09-22 by no freq
Pictures sent ! 2010/9/21 nervejam
Minikorg 700 photos
2010-09-21 by nervejam
I ve just uploaded my photos into the album called Minikorg 700
New member here
2010-09-21 by Christian Schonberger
Hello Group, Just wanted to introduce myself: I m Christian, full time musician. German-born, located in Lisbon, Portugal. I own the following vintage
Re: MiniKorg 700 Restoration Project - Parts needed!
2010-09-21 by nervejam
Hi no.freq, Thanks, that d be much appreciated. The existing keys aren t brilliant anyway - I ve cleaned them up a bit, but whoever painted the wood black
Re: [vintagesynthrepair] MiniKorg 700 Restoration Project - Parts needed!
2010-09-21 by no freq
Hi, I may have keys from a broken Micro Preset I wanted to modularise , but I can t tell if the ones you re looking for ar in good shape. I ll take a look
Re: Info page about the Ace Tone PS1000 Analog Monosynth (1975)
2010-09-21 by Estecho
Hi Malke, Sorry for the late reply, I hope you re still following this thread. The Chassis shield does indeed connect to the output of the opamp. I remember