Re: [vintagesynthrepair] Looking for Schematics for a Multivox Firstman SQ-01
2009-03-25 by oscillator909@web.de
Hello, here you can get the schematics : http://www.transanalog.com/manuals/Firstman greetings Phil
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Yamaha CS 30 Sample&Hold is not fine....
2009-03-24 by martinreuter
Hi, i own a CS-5 and a CS-30 Synth. The S&H of the CS-5 works very well and has very different voltages for controlling the pitch and VCF. But the S&H of the
Looking for Schematics for a Multivox Firstman SQ-01
2009-03-24 by heliumcell
It seems like this didn t post so I will try again. We are looking for schematics for a Multivox Firstman SQ-01. We obtained partial schematics on line, but
Looking for Schematics for a Multivox Firstman SQ-01
2009-03-24 by heliumcell
We have a broken Multivox Firstman SQ-01, and PARTIAL schematics we bought online for it. It seems like there might be a problem in the power supply, and this
IG00151 (was Re: [vintagesynthrepair] CS-15D schematics?)
2009-03-20 by Arto Koivisto
Returning to this one a little bit.. ... I managed to source a replacement VCF chip, but now having installed that one it turns out that indeed my CS-15D seems
Synthesizers.com Purple Synthesizer on eBay.
2009-03-19 by John LeVasseur
Hi all, Thought some of you might like to know, the unique Purple Synthesizer is up for sale on eBay. eBay item number: 280324135954 This is the only dotcom
RE: [vintagesynthrepair] Re: Help with Yamaha PF15 - Need info
2009-03-19 by Brian
Yes they are a free download but only for the trade. You have to get a user name and password from Yamaha. Regards Brian G3OYU _____ From:
Re: Help with Yamaha PF15 - Need info
2009-03-19 by hodder321
... Are the Manuals a free download? I would check them out if they are. ... I ll try this.
RE: [vintagesynthrepair] Help with Yamaha PF15 - Need info
2009-03-18 by Brian Davies
Hi I ve done a search of the Yamaha Service Manual website but the PF15 is not listed. The two nearest are the PF12 and the PF1500. Most of this type of
Help with Yamaha PF15 - Need info
2009-03-17 by hodder321
I have a Yamaha PF-15 Professional Electronic Piano that needs the keys cleaned. I have a copy of the owners manual but need to know how to open and clean
Re: korg m1 dead c#
2009-03-16 by jtm1620@sbcglobal.net
I can t see any responses to this question, but this is exactly the same problem that I m having with my SG-1 (except that it s the bottom half of the f#
Re: Moog Source advice...
2009-03-14 by duncan
... james, do you have a schemo? are you able to tell if the d a converters are functional? does the source have a midi kit installed? does it respond to
Re: Help with keys not sounding
2009-03-08 by Scott
... If thou wouldst dare to open the unit I wouldst check any cables ( flat or otherwise) coming from the keyboard assembly to the circuit boards. Disconnect
moog source
2009-03-08 by scott frye
Hi.... Any ICs in sockets? Take them out and put them back in. Resolder leads on digital ICs but take care not to overheat leads. Scott Frye
Moog Source advice...
2009-03-08 by jayfon67
Hello all, I m working on a Moog Source and wondered if anyone here has experience with repairing these? My Source powers up, all membrane switches register as
Help with keys not sounding
2009-03-08 by Don Sealer
I m looking for some help, advice, or direction on what could be wrong with and how to fix, my Korg SGproX. Last night at a gig none of the G or C# keys
Re: [vintagesynthrepair] Desoldering / Resolderin IC's with no access to underside
2009-03-07 by Mike de Vries
Yea, I m thinking of doing this... Also, the circuit board is double sided. Thanks for your input! Regards Mike ... From: Philip
Re: [vintagesynthrepair] Desoldering / Resolderin IC's with no access to underside
2009-03-07 by Philip
A bodge I ve seen on many boards over the years is that you cut the old IC out leaving the legs there. Then solder the new IC s legs to the old IC s legs.
Desoldering / Resoldering IC's with no access to underside
2009-03-07 by Alan Probandt
Yes, soldering the leg of a wire-wrap IC socket should work. Usually the through-holes of a PCB are plated in the area of the hole itself if the board has
Desoldering / Resolderin IC's with no access to underside
2009-03-07 by mrjdevries
I m in the process of fixing up my semi working Delta Labs DL-4 delay, and making good progress.. I ve fixed one fault (dying Tantalum) and pretty much
Korg I-1 hot key problem
2009-03-02 by Ben Baker
Church I-1 appears to be fully functional - except A# below mid C responds as if it is attached sharply -- much louder volume. Any ideas or suggestions?
Korg I-1 single hot key
2009-03-02 by benhbaker00
Our Church I-1; I believe all is functioning okay.. except - A# below mid-C is very hot - come out much louder compared to other keys with similar attack.
Clavinet/Pianet DUO repair
2009-03-01 by philipphans@rocketmail.com
Hi folks, I m currently working on a broken Hohner Clavinet/Pianet Duo board. I ve got a broken A/B switch, not working 9V input, a bad keyboard selector
RE: [vintagesynthrepair] Re: Siel Orchestra.
2009-03-01 by Jose Pereira
Thanks, Shayne! Best regards. José Portugal _____ De: vintagesynthrepair@yahoogroups.com [mailto:vintagesynthrepair@yahoogroups.com] Em nome de Shayne
Re:Comatose JX3P - 8051 CPU issue?
2009-02-28 by scott frye
Is the 8051 socketed?..If so..pull it out and put it back in. Also ,if socketed, solder the socket leads while the chip is out. If not socketed , solder the
Comatose JX3P - 8051 CPU issue?
2009-02-28 by Pascur
I have a JX3P that wasn t used for a few years. When first turned on, some of the leds came on but it wouldn t respond to button or key presses. I replaced
Re: [vintagesynthrepair] Roland CR-78
2009-02-27 by jack speer
Phil, They seem to be going for between $1000 and $1200 on eBay these days, but might consider taking a bit less. Would want to do a Paypal sale. From
Re: [vintagesynthrepair] Roland CR-78
2009-02-27 by oscillator909@web.de
Hello, how much do you want for it ? greetings Phil
Roland CR-78
2009-02-27 by jspeerdc
Hi all, I ve got one of these in very good shape I m thinking about putting on Ebay, but wanted to see if there is any interest from the group first. Very
Re: [vintagesynthrepair] Roland MC505 Screen replacement.
2009-02-27 by Lee Stone
Thanks so muchly .... 2009/2/27 Frequency Spectrum ... -- Lee Stone Youth Worker / Bassist
Re: [vintagesynthrepair] Adjusting VP-330 Mk.1
2009-02-27 by Philip
Thanks, I d like to see the scematics for the Mk1 too. I wonder how different they sound. Phil. ... From: Terje Winther
Re: [vintagesynthrepair] Roland MC505 Screen replacement.
2009-02-27 by Philip
Sorry to state the obvious but... Roland UK? Email or phone and ask to speak to Steve in spares. He ll give you the part number and a price. Phil. ...
Re: [vintagesynthrepair] Roland MC505 Screen replacement.
2009-02-27 by Frequency Spectrum
http://www.delatronics.co.uk/ dont know if my last reply sent
Re:VCO chips
2009-02-27 by Tom Russell
Scott- Thanks for your reply. To me more specific (as I should have been originally) I m looking for exponential frequency response on-chip. But perhaps I can
Re:VCO chips
2009-02-27 by scott frye
Still available: http://www.futurlec.com/ICLinearOthers.shtml (8038 and the XR2206) The 555 timer can also be set-up as a VCO and whilst I m at it a cool
Re: [vintagesynthrepair] Help with Piper Autocord 100/730
2009-02-27 by Roy J. Tellason
... I *did* find that cross-reference info I was looking for, on another machine. In addition to the PD455 number, other generic numbers for that part are
Help with Piper Autocord 100/730
2009-02-26 by Terry
I am looking for some help. I am working on the Osc. Board of a Hammond Piper Autocord 100/730. Each of the 2 Osc. Boards have 4 six- stage dividers Hammond
Re: [vintagesynthrepair] Roland MC505 Screen replacement.
2009-02-26 by Frequency Spectrum
[image: bottom] delatronics uk. think i paid 15 quid for mine about 2 years ago good luck
Roland MC505 Screen replacement.
2009-02-26 by mr.leestone
Any one know the part number for the LCD screen on these machines and/or where i could get one? I m UK based if thats any help. My screen has lost pixels and
VCO chips
2009-02-26 by Tom Russell
Does anyone know of currently available (not legacy components like CEM/SSM) audio VCO chips? Thanks
Re: [vintagesynthrepair] Re: Can anyone ID this component?
2009-02-26 by Roy J. Tellason
... Yeah, except that transistor switches have some leakage... ... Yup. ... They probably have signal on one side of it and a common bus on the other. ... A
Re: Can anyone ID this component?
2009-02-26 by heliumcell
So are they basically acting like maybe what you would use a transistor switch for now? Like you press the key down, it turns the neon bulb on, that then acts
Re: [vintagesynthrepair] Can anyone ID this component?
2009-02-26 by Roy J. Tellason
... Those are neon bulbs, probably NE-2 or something fairly close to that. ... Probably more like one per key per octave of note, so for example if you had a
Can anyone ID this component?
2009-02-26 by heliumcell
Can anyone tell me what the electrical component that looks like a christmas light is in this picture? And what function it performs (generically obviously)?
Re: Siel Orchestra.
2009-02-26 by Shayne Cafferata
Sander Meyer has a great site devoted to Siel synths. Checking with him would a good place to start. http://home-1.worldonline.nl/~smeyer/siel/ shayne
Siel Orchestra
2009-02-24 by letcista
Hello. I need two sliders for a Siel Orchestra. The reference is Noble 15A10K (log). Can you point me to some site who sells it? Best regards. José. Portugal
Re: [vintagesynthrepair] Adjusting VP-330 Mk.1
2009-02-24 by Terje Winther
The differences between Mk 1 and 2 are, as I understand it: - different power - different keyboard - different switches on front panel - different vocoder
Re: [vintagesynthrepair] Adjusting VP-330 Mk.1
2009-02-22 by Philip
How different is it to the MK2? I serviced one and found it a very easy synth to calibrate. Thanks, Phil. ... From: Terje Winther
Adjusting VP-330 Mk.1
2009-02-22 by Terje Winther
H everyone, Sorry I´ve been so quiet lately. I´ve been buried in work, writing, recording and doing service. I have just finished service on a Roland VP-330
Part for Hammond Piper Autocord 100/730
2009-02-22 by terryyounce@comcast.net
I am looking for an IC for a 70s/80s vintage solid state Piper autocord 100/730 organ. Specifically I need Hammond part number 075-042148 which is a 6-stage