Hammond at other than 60 cycles
2007-06-08 by Tom Thornton
The Hammonds have a synchronism motor that matches the 60 cycle power line so the tone wheel is turning the right speed to make it in tune ( That was the
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60hz Hammond in a 50hz environment - dangerous ?
2007-06-08 by gil_we
I ve been readiung that running a 60hz device at a 50hz environment, can be destructive to the parts in the device - transformers can burn out or create fire,
Re: My old Odessey doesn't work...
2007-06-07 by balderson04
... Actually, the first thing I d do is thoroughly clean the connectors between the various boards and the key busses. Sitting in a closet for years, they are
Re: [vintagesynthrepair] My old Odessey doesn't work...
2007-06-06 by John Keeley
I,m in the same situation .Bought an new Odyssey in late 70 s.Put it away in mid 80 s,Now in does nt work. I m sending it to CMS at end of month . They came
RE: [vintagesynthrepair] My old Odessey doesn't work...
2007-06-06 by francois basquin
I would definitely check the power board first. Replacing the electrolytic caps is probably required as the electrolyt has almost certainly dried out, changing
ARP AVATAR no sounds from Audio Out
2007-06-06 by Mike B
Hi Everyone: My Avatar only makes sound from the External Audio In input jack. There is no output from any of the line outs. I checked the voltage and it is
Re: [vintagesynthrepair] My old Odessey doesn't work...
2007-06-06 by Mike B
First, I would try working the various sliders, particularly the VCA. I would also see of the power supply is putting out 15 v + - . Also, see it you can get
My old Odessey doesn't work...
2007-06-05 by Mike
I bought my Arp Odyssey in 1979, III model, and used it live until I went MIDI in about 1985. I put it in an Anvil case and it s been stored since. I always
My first mostly solo modular restoration...
2007-06-04 by arp2600fan
I m restoring an 11 module Aries Modular, complete with keyboard, for a client. While I ve participated in many synth restorations--usually doing the keyboard
GEM Jumbo 61 R6 Combo Organ Tone is Off with one C key (Help Needed)
2007-06-02 by mlcsixand78s
Hello, Maybe someone can help or point me in the right direction. This does not exactly concern a synth but a late 60s early 70s GEM Jumbo 61 R6
Roland AT 10 Atelier
2007-05-30 by tom thornton
I have 2 of the Roland AT10s, one home and one in rest home where I play lunch music. After about 18 months they both developed a raspy sound in the lower
membership
2007-05-29 by fred vogedes
yes I would like to join your group. Thanks, Fred
Farfisa FAST C3 service manuals
2007-05-28 by atuzzi
Hello Friends, I m looking for the schematics and the service manuals for the farfisa fast c3 portable transistor electronic organ (1968). Mine is supernoisy
Re: MICROMOOG: Tuning and Repair (Advice Needed)
2007-05-24 by mlcsixand78s
Hi Duncan, Thanks for the feedback. I also heard that replacing the trim pots is the first thing to try. So I will try this. I ve been told that cerment track
Re: MICROMOOG: Tuning and Repair (Advice Needed)
2007-05-21 by duncan
... with adjusting the OSC RANGE and OSC HI trimpots but again I run out of adjustment.
Re: OBXa voice card sounds thin....
2007-05-21 by gil_we
Thanks, I ll try that... ... of the ... think about ... would ... pulsewidth, ... compare ... something more ... signal path. ... sort of ... Hotmail. ...
Kurzweil Ensemble Grand diagnotic mode?
2007-05-20 by zipcode94550
I have a Kurzweil Ensemble Grand Mark iii... Does anyone recall the button combinations to start this unit in self-diagnotic mode? (A list of possible error
RE: [vintagesynthrepair] OBXa voice card sounds thin....
2007-05-20 by Scott Nordlund
... It s difficult or impossible for anyone without intimate knowledge of the OBXa to suggest what to look for specifically. What you need to think about is
MICROMOOG: Tuning and Repair (Advice Needed)
2007-05-20 by mlcsixand78s
Hello, If there is anyone out there who has repaired and tuned a Micromoog I would appreciate some advice. Everything works fine on mine except its OUT OF
OBXa voice card sounds thin....
2007-05-19 by gil_we
I wonder if anyone could help with this one: On my OBXa, one voice card sound thinner than the others. When playing high notes this is less noticable but as
Re: [vintagesynthrepair] Old Electronic Organs
2007-05-13 by Roy J. Tellason
... I worked for a while for a dealer that was handling mostly Thomas organs, and did encounter a few of those while I was doing organ service. But that was
RE: [vintagesynthrepair] Old Electronic Organs
2007-05-13 by timothy kosiorek
Hello:The company that handles older Thomas service manuals and parts is: Organ Service Corp. (Conn, Kimball, Kimball-Elka, Thomas (older), Lowrey (older)) 190
Re: [vintagesynthrepair] Old Electronic Organs
2007-05-13 by Sandra Garcia
It s a long shot but try putting on your wish list on ebay. Be sure to do a search for it and save in case one gets registered for sale. I found a Roland W50
Old Electronic Organs
2007-05-13 by myown_prod
I m looking for info for a Sears Silvertone Organ. They were made by Thomas Organ Co., but so far, niether sears or Thomas has been any help. HELP!!!! ???
Arp Avatar: Only makes sound through External Audio In
2007-05-12 by Mike B
Hi Everyone: My Avatar only makes sound from the External Audio In input jack. There is no output from any of the line outs. I checked the voltage and it is
Re: [vintagesynthrepair] roland PK5
2007-05-08 by David Scarponi
Kurzweil Stage Pianos (76 and 88 keys) aren t bad, good key action, some decent piano sounds, also organ, electric piano, and strings. You can get them new in
roland PK5
2007-05-07 by Billy
ok Its not really a synth, but a midi foot controller I got for my roland jx3p. I gotta say how did I ever live without this thing before! ok im a newb in
Roland XP50 - blank display
2007-05-06 by letcista
When I power up my XP50 the display lights up but got no letters or numbers on it. Also the sound play very strange and detuned. Does any one in the group has
Re: [vintagesynthrepair] Electronic resources
2007-05-04 by Roy J. Tellason
... They were okay until they started branding their data with a page each saying where it d been downloaded from, which really irritates the crap outta
Electronic resources
2007-05-04 by Larry T.
For those that are searching for parts and/or information, here is a collection of internet resources. I have not had business dealings with all of these
Re: "DAC Offset" to control pitch ? "DAC Full Scale" to control stretching ?
2007-05-03 by gil_we
Forget about it, it is now tuned, and these trimpots does what I thought each other of them does... Thanks ! ... than
"DAC Offset" to control pitch ? "DAC Full Scale" to control stretching ?
2007-05-02 by gil_we
Ive just calibrated my OBXa and there is some issue - C5 is in the correct pitch when master Tune is at 12 o clock, but the stretching is too wide so the lower
No success with kawai sx-240
2007-05-01 by Joan Martínez
Hello, Today I ve found some time to chnage the S/H IC, after some weeks ago I changed the capacitos. The result stills the same. I don t know how to continue.
[vintagesynthrepair] Solina String Ensemble make up !
2007-05-01 by Valerio Scrivano
Hi, finally I fixed the problem of bass section not working replacing the LM709/14 pins op amp with a new LM741/8 pins: now everything in my old Solina works
RE: [vintagesynthrepair] Spring cleaning
2007-04-29 by Keith Niver
I could use the generator/divider boards out of them. plus the key boards out of the Duo. Contact me off list. Keith A. Niver Certified MITA tech Niver s
Re: [vintagesynthrepair] Spring cleaning
2007-04-28 by Dave Garfield
HI, Mr. Ampsky! ;-) (OOP! Sorry -- Mr. Lynn...) I was just wondering if you might have any or all of the removable legs for the Farfisa Mini-Compact? I
Spring cleaning
2007-04-27 by guitarampsky
Hi, I m scrapping a Farfisa 222. The stand and generator/dividers have been sold. If anyone needs anything from it, let me know ASAP as it will hit the
Re: [vintagesynthrepair] LM709 and LM741
2007-04-27 by Roy J. Tellason
... I seem to recall that in some respects the 741 was a more limited part than the 709, which is why the instrument under discussion here used both, in
[vintagesynthrepair] LM709 and LM741
2007-04-27 by Valerio Scrivano
Hi, Can the op amp LM741 replace the LM709 ? Thanks ... From: Valerio Scrivano To: jm leman ; vintagesynthrepair@yahoogroups.com Cc: jm leman ;
[vintagesynthrepair] LM709 and LM741
2007-04-27 by Valerio Scrivano
Do you know if lm741 can replace lm709 ? Thanks ... From: jm leman To: ; Valerio Scrivano
Re: [vintagesynthrepair] Solina string ensemble
2007-04-27 by Valerio Scrivano
Ok, other pins are not connected. I ll try it and let you know. ... From: jm leman To: ; Valerio
Re: [vintagesynthrepair] Solina string ensemble
2007-04-27 by jm leman
Hi Valerio, You re right, it seems you can use a 8 pins instead of the 14p. Take care to insert the 8p at the right place and maybe you can have a look at the
Re: [vintagesynthrepair] Solina string ensemble
2007-04-27 by Valerio Scrivano
Hi, thanks for your reply. If you read the Datasheet of lm709 at http://www.national.com/ds/LM/LM709.pdf you will see that the lm 709 cn/14 and lm 709 cn/8
Re: [vintagesynthrepair] Solina string ensemble
2007-04-26 by jm leman
Have a look at this link : http://www.selectronic.fr/upload/produit/pagecatalogue/3-33.pdf in the left column, the fifth item in standard op . these op amps
Re: [vintagesynthrepair] Solina string ensemble
2007-04-26 by jm leman
As long as I know, 8pins and 14 pins op amp aren t pin to pin compliant! Have a look at any electronic comp. sellor s catalog, you ll find 14 pins op amp that
Solina string ensemble
2007-04-26 by vscrivan
Dear friends, I own a Solina String Ensemble and I have to replace 2 op amp LM709C. Since it s difficult to find the original part that has 14 pin, do you know
Power supply jack 707
2007-04-25 by Brendan Haley
So I need to replace the power supply jack in my TR-707. What does one look for for the replacement. I know the diameter of the jack is important (I guess I
Re: [vintagesynthrepair] Re: Syco Systems Sycologic M16 midi matriss and EMU Drumulator
2007-04-25 by PeWe
Hi John ! ... From: John Brewer To: vintagesynthrepair@yahoogroups.com Sent: Wednesday, April 25, 2007 1:01 PM Subject: Re: [vintagesynthrepair] Re: Syco
Re: [vintagesynthrepair] Re: Syco Systems Sycologic M16 midi matriss and EMU Drumulator
2007-04-25 by John Brewer
If only they would write on the box what these terms mean!! Anyway it is not a stupid question. mAH just means milliamps for an hour. So if a battery was
Re: [vintagesynthrepair] Re: Syco Systems Sycologic M16 midi matriss and EMU Drumulator
2007-04-25 by PeWe
Hi Narfman ! Many thanx for the links ! Isn´t it, the mAh should match properly or should eventually never be lower compared to the original ? Does a higher