Cs70m for sale in Phila
2018-01-31 by ron joseph
ThereÆs a CS70m for sale in Phila; theyÆre quite uncommon... even rarer than the 80s. ItÆs on Phila craigslist. I also know the seller and could assist in
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Re: [yamahacs80] Digest Number 1470
2018-01-31 by ron joseph
ThereÆs a CS70m for sale in Philadelphia; theyÆre quite uncommon even less so than the 80s-Ron Ron Joseph ________________________________ From:
Re: CS-80: Output level down to nothing
2018-01-31 by jonathan4051@...
Did this problem ever get resolved?
Re: [yamahacs80] WTB - Yamaha CS-70M
2018-01-31 by V CL
Just thought I d bump this post if anyone on the USA west coast has a CS-70M for sale... preferably in Oregon or Washington State, or Vancouver BC. I m still
Re: L'il help needed..
2018-01-29 by jonathan4051@...
Thanks, Kyle, I ll keep that all in mind. I have this question posted on half a dozen forums, including Muffwiggler, VintageSynth.com, moogmusic.com, and the
Re: [yamahacs80] Re: L'il help needed..
2018-01-26 by Kyle Jarger
Fellow CS-80 owners, with the power off, could you please do me a solid and measure the resistance between the +15V power rail on the card riser (the lower bar
Re: L'il help needed..
2018-01-26 by jonathan4051@...
Don t all shout out at once..
Re: [yamahacs80] Re: KAS Bd for auction on E-bay (USA Only)
2018-01-24 by Kyle Jarger
No, it has not been tested. It was pulled from a unit that was being parted out long ago. The unit it had been pulled from had been physically damaged. Kyle
Re: [yamahacs80] Re: KAS Bd for auction on E-bay (USA Only)
2018-01-24 by Kyle Jarger
synthparts@yahoo.com https://connect.xfinity.com/appsuite/# wrote: Likely working? So it s never been tested? No, it has not been tested. It was pulled from
Re: [yamahacs80] Re: KAS Bd for auction on E-bay (USA Only)
2018-01-24 by Kyle Jarger
synthparts@yahoo.com https://connect.xfinity.com/appsuite/# wrote: Likely working? So it s never been tested? No, it has not been tested. It was pulled from
Re: [yamahacs80] CS-80 + FC7
2018-01-23 by laurie
on further reading, immediately turn off your CS80 and then remove your pedals from the back..... read what the 2 foot jacks say.... the word pedal is not used
Re: KAS Bd for auction on E-bay (USA Only)
2018-01-23 by synthparts@...
Likely working? So it s never been tested?
L'il help needed..
2018-01-23 by jonathan4051@...
Fellow CS-80 owners, with the power off, could you please do me a solid and measure the resistance between the +15V power rail on the card riser (the lower bar
KAS Bd for auction on E-bay (USA Only)
2018-01-23 by Kyle Jarger
Hi All, I ve got a likely fully working KAS Board up for auction in the US on E-bay:
Re: [yamahacs80] CS-80 + FC7
2018-01-23 by Fernando Zarone
I remember this, but, afair, it used to work. Perhaps better to eliminate that pedal, in any case… ... I remember this, but, afair, it used to work. Perhaps
(no subject)
2018-01-23 by Jesus Diaz
Re: [yamahacs80] CS-80 + FC7
2018-01-23 by laurie
the original CS80 volume pedal was a lightbulb and photocell with a teardrop shaped dowser to limit light to the photo cell... I have yet to try my FC7s on my
[yamahacs80] CS-80 + FC7
2018-01-22 by Fernando Zarone
Hi all. After one year (moved to a new house) I switched my CS-80 on and fortunately everything still works fine, but the FC-7 connected to it. The malfunction
Re: YM26600/26700 IC Alternatives
2018-01-17 by jonathan4051@...
With the power off, I am getting a 70 ohm resistance between +15V card rail and ground - does anyone know if this is this normal?
Re: YM26600/26700 IC Alternatives
2018-01-17 by jonathan4051@...
So aside from Vss, Vdd, clock i/o s, etc, I count 33 connections to the 26600 operating at +8.5/-6.5V. Tons of level-shifting chips needed, indeed..
Re: CS-80 tech question: initial velocity problem on TSB board
2018-01-17 by jonathan4051@...
I’m in southern New Jersey, about a half hour from Philadelphia.
Re: CS-80 tech question: initial velocity problem on TSB board
2018-01-16 by zenithaudio2003@...
Were are you located Jonathan ?
Re: YM26600/26700 IC Alternatives
2018-01-16 by jonathan4051@...
Thanks, gentlemen, you ve given me some hope, as I fear I may have fried my 26600 either by static discharge or by touching the +15V card riser rail against
Re: [yamahacs80] YM26600/26700 IC Alternatives
2018-01-16 by Florian Anwander
Beside what David said - yes, someone did it already: http://www.cs80.com/SSK/ Ok, it is not for the polyphonic series, but it shows, that is doable, and also
Re: [yamahacs80] YM26600/26700 IC Alternatives
2018-01-16 by David Rogoff
Jonathan, Duplicating the logic is easy. The big pain is the voltage. The Yamaha uses 4000-series CMOS and runs all the digital logic at +8.5 / -6.5 - 15
YM26600/26700 IC Alternatives
2018-01-16 by jonathan4051@...
Has anyone ever looked into modern alternatives for these fragile and rare 40-year old chips? I am wondering if it d be possible to program an Arduino to
Re: CS-80 tech question: initial velocity problem on TSB board
2018-01-07 by jonathan4051@...
I checked the voltages at the 4051 key input pins (13-15, 1, 2, and 5), and they do not look reasonable. Whilst healthy keys on other 4051 s rest at 6V and
Re: CS-80 tech question: initial velocity problem on TSB board
2018-01-02 by jonathan4051@...
Hi David, Thanks for the info and happy new year to you as well! This is actually the second time you ve helped me, as I ve been going by the CS-80 schematics
Re: [yamahacs80] CS-80 tech question: initial velocity problem on TSB board
2018-01-01 by David Rogoff
Hi Jonathan! Happy New Year and sorry about your CS80 problem. It sounds like you’re doing a good job trying to isolate the problem. However, I don’t
CS-80 tech question: initial velocity problem on TSB board
2017-12-29 by jonathan4051@...
Hello, I am looking for technical help for a Yamaha CS-80. The issue it is having is: a cluster of six notes (G2 to C3) generate full volume at all times when
Re: [yamahacs80] cannot seem to access CS80 group!
2017-12-01 by Murilo Faria
Thanks guys! Sorry about the mess! I don t use Yahoo Groups in a long time! Bests, 2017-12-01 6:34 GMT-02:00 Florian Anwander fanwander@mnet-online.de ... --
Re: [yamahacs80] cannot seem to access CS80 group!
2017-12-01 by Florian Anwander
Jonathan sent this mail to my mail-account directly. I answered him the ... Hello Jonathan I am not the moderator, but your posting appeared on the groups
Re: cannot seem to access CS80 group!
2017-12-01 by Florian Anwander
Hello Jonathan I am not the moderator, but your posting appeared on the groups list. So appearently are subscribed and the address jw_dewdney@yahoo.com is the
cannot seem to access CS80 group!
2017-12-01 by Jonathan Dewdney
Hi Florian - I think you are the moderator of the CS80 group? Do you know anything about changes to Yahoo s programming that has been causing problems? I do
Re: [yamahacs80] Re: Request to join yamahacs80 approved
2017-11-21 by Murilo Faria
Thanks, Florian! Glad you like my band :) Yeah... I have the tech guy, but it s the only one and he is... fully booked. I ll have to wait and he is not fast
Re: [yamahacs80] Re: Request to join yamahacs80 approved
2017-11-21 by Florian Anwander
Hello Murilo, It is cruel to say, but I think owning a CS80 without having a competent tech within reach does not make real sense. When you say, that you had
Re: Request to join yamahacs80 approved
2017-11-21 by Murilo Faria
My name is Murilo from Brazil and I have a Yamaha CS80 for around 7 years. In those 7 years it’s been through repair and now I have no sound out of it. The
Re: [yamahacs80] Yamaha CS-60 issues: sub osc LFO > VCO not working + random bad notes
2017-11-13 by V CL
Thank you so much!! I found the toggle switch and flipped it other direction, and sure enough the LFO VCO slider now affects the sound! :) Thankfully no
Re: [yamahacs80] Yamaha CS-60 issues: sub osc LFO > VCO not working + random bad notes
2017-11-10 by David Rogoff
There should be a push button and a toggle switch. The instructions say to add them on the front panel below the tuning knob:
Re: [yamahacs80] Yamaha CS-60 issues: sub osc LFO > VCO not working + random bad notes
2017-11-10 by V CL
Thanks for the reply... do you mean the MIDI kit adds a toggle switch for LFO VCO modulation? If so, where would I find that switch to change it back? The
Re: [yamahacs80] Yamaha CS-60 issues: sub osc LFO > VCO not working + random bad notes
2017-11-07 by Florian Anwander
Hello ... Sounds like a voice getting out of tune. Might be a bad trimmer, but more likely a VCO chip dying. I recommend to add a LED to each voicecard, with
Re: [yamahacs80] Yamaha CS-60 issues: sub osc LFO > VCO not working + random bad notes
2017-11-07 by David Rogoff
... This is normal. With the added toggle switch one way, the slider works normally. With it the other way, the LFO - VCO is control via MIDI mod wheel. ...
Yamaha CS-60 issues: sub osc LFO > VCO not working + random bad notes
2017-11-06 by virusindigo2@...
Hi all, I have a Yamaha CS-60 I recently acquired from a local seller that has MIDI kit installed. 1. Upon testing I noticed the sub oscillator LFO VCO
WTB - Yamaha CS-70M
2017-11-06 by virusindigo2@...
Hello all, I m a longtime lurker but wanted to say thanks for this group -- its a treasure trove of information and resources. I love vintage Yamaha synths and
Re: CS50 Calibration
2017-10-21 by roby.mx@...
Hi Florian, Thank you for your reply. Bye! Roby
Re: [yamahacs80] CS50 Calibration
2017-10-21 by roby.mx@...
Hi Colin, thank you for your advice! Roby
Re: [yamahacs80] CS50 Calibration
2017-10-21 by Florian Anwander
Hello On 21.10.17 00:49 , ColinMuirDorward colindorward@gmail.com [yamahacs80] ... There is simple help for this. Add a LED driven by the gate of each
Re: CS50 Calibration
2017-10-21 by D T
Tom S. from this list originally ran me through this process. This is my version of his notes (thanks Tom!) You can probably skip sections 1 and 2: the 4volts
Re: [yamahacs80] CS50 Calibration
2017-10-20 by ColinMuirDorward
Hi Roby, I followed the cs80 guidelines and it was pretty straight forward. Calibrating 4 voices isnt so bad! The trick is to follow tje voices as they cycle
Re: [yamahacs80] CS50 Calibration
2017-10-20 by Florian Anwander
Hello Roby, get the service manual for the CS-50: it contains a complete adjustment procedure.