Re: [yamahacs80] IG00150 LFO chips?
2014-07-17 by Bob Stewart
Hi Tim Only needing one at the moment, but depending on price I may grab an extra. How much? (+ postage to the UK?) On Thursday, July 17, 2014, Tim Conniff
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Re: [yamahacs80] Re: IG00150 LFO chips?
2014-07-17 by Tim Conniff
I have some, how many do you need? Tim On Thursday, July 17, 2014 4:09 AM, Robert Stewart bob@blzproductions.com [yamahacs80]
CS50 Whine...
2014-07-17 by bob@...
Hi Just servicing a CS50, and it s constantly outputting a whine of about 4120Hz. Unit came to me a bit battered as the PSU had shaken loose and trashed a few
Re: [yamahacs80] Re: IG00150 LFO chips?
2014-07-17 by Robert Stewart
Doug s all out :-(
Re: IG00150 LFO chips?
2014-07-17 by blchrr@...
Try synthparts: http://www.synthparts.com/
IG00150 LFO chips?
2014-07-17 by bob@...
Hi everyone. Needing a IG00150 LFO chip (Also known M51620P /YIG8421) Can anyone help? Cheers Bob
Re: CS80 voice card for sale ALL SOLD
2014-07-09 by synthparts@...
Anyone who just wants individual IGxxxx voice chips I have a few in stock except the LFO chip. Doug synthparts.com
Re: CS80 voice card for sale ALL SOLD
2014-07-09 by blchrr@...
All spare circuit boards have now been sold, thanks for the interest
Re: [yamahacs80] Re: CS80 voice card for sale
2014-07-09 by Tim Conniff
I am selling guaranteed voice cards for the CS80 on e-bay for $300. Obviously they can function in the 50 and 60 with resistor changes. Tim On Wednesday, July
Re: CS80 voice card for sale
2014-07-09 by blchrr@...
This has now been sold to Sufian, thanks for the inquiries All that remains is one SH board for £50 My email: blchrr (AT) homecall (DOT) co (DOT) uk Thanks
CS80 voice card for sale
2014-07-08 by blchrr@...
Hi all, I still have one CS80 voice card left for sale (the last one), these are very hard to find these days as people don t tend to break up CS50 s and
Re: [yamahacs80] CS80 in NHK TV program
2014-07-08 by synthparts@...
Great story. The CS60 has the same voice allocation where you have to press 2 keys to get the 8th voice. Were the techs not familiar with that? At the end of
For Sale
2014-07-06 by dzlvs8
I look at all the messages on this user group every day on my phone, but I appologize if I am going the wrong way about posting a message to the group.
Re: [yamahacs80] CS80 in NHK TV program
2014-07-05 by laurie
I am not sure of the entire reason.... CS was the Combo Synth line from Yamaha and possibly for future expansion on some of their later Combo Synth endevors,
RE: [yamahacs80] CS80 in NHK TV program
2014-07-05 by Colin f
... Indeed. The information I have is that Yamaha designed the GX key assigner independently but at the same time as E-Mu, who got a patent on theirs in 1974.
Re: [yamahacs80] CS80 in NHK TV program
2014-07-05 by David Rogoff
... IÆve heard that explanation before but I donÆt understand how that would work given the KAS logic. David
RE: [yamahacs80] CS80 in NHK TV program
2014-07-05 by Colin f
... An organ pre-dating 1974 with dynamic allocation of voices ? Are you sure ? The GX service manual clearly shows the purpose of the SW 7or8 Tone input is to
Re: [yamahacs80] CS80 in NHK TV program
2014-07-05 by Kent spong
No, the reason was because the chip was designed from organ tech. The 8th channel was assigned to the pedal board. Sent from my iPad
Re: [yamahacs80] CS80 in NHK TV program
2014-07-05 by Daniel Forró
Thanks for the explanation, it s interesting. I have to study more about CS internals... Daniel Forro On 5 Jul, 2014, at 10:32 PM, Colin f
RE: [yamahacs80] CS80 in NHK TV program
2014-07-05 by Colin f
... The 7 voice rotation appeared on the GX1 poly ranks. The GX has a switch mounted inside to disable the use of the 8th voice, even if multiple voices are in
Re: [yamahacs80] CS80 in NHK TV program
2014-07-05 by Daniel Forró
Thanks for info, I didn t know. Who knows why key assign algorithm is like this, maybe some kind of technical limitation? I don t see any logical reason why on
Re: [yamahacs80] CS80 in NHK TV program
2014-07-04 by Phil a
Thanks Laurie, this is what I meant. If you always heard 1 voice was silent simply means it was one of the first 7 voices. Phil On Fri, Jul 4, 2014 at 7:14 PM,
Re: [yamahacs80] CS80 in NHK TV program
2014-07-04 by laurie
Voice 8 on both panels will not sound in rotation on any working CS80 unles you hold a finger down before you press another key which will be 8 .... you will
Re: [yamahacs80] CS80 in NHK TV program
2014-07-04 by Daniel Forró
I m glad you liked it. There was no time in the studio to set the instrument better, I had to play something just after they brought it, and before the
Re: [yamahacs80] CS80 in NHK TV program
2014-07-04 by Phil a
Very funny program thanks ! I wish my tech would do me the 49th minute moment every time he repairs a synth of mine :) Maybe I should show him that they do it
Re: [yamahacs80] CS80 in NHK TV program
2014-07-04 by Daniel Forró
Dear friends, if you are interested in program Yomigaeri maisutá about me and the repair of my Yamaha CS-80, recorded by the main Japanese TV (broadcasted
Re: [yamahacs80] CS80 in NHK TV program
2014-06-27 by mr@...
Wonderful story and opportunity, I d be delighted to see the whole of it later! :-) /mr
Re: [yamahacs80] CS80 in NHK TV program
2014-06-27 by Daniel Forró
To all group members living in Japan: Japanese main TV channel NHK found me enough attractive from all 128 millions of inhabitants here and selected me and my
Re: [yamahacs80] Getting a proper key response.
2014-06-24 by pyjamagroove@...
So I will share a little update to this thread so anyone who has the same problem (and is not a synth tech) can take advantage of this ( I hate to read forums
Re: [yamahacs80] Re: CS-50/CS-60 CV mods possible?
2014-06-20 by pinky
Thanks. The tech in question has over 30 years experience and has serviced CS synths before. He has agreed to look at doing the mod, so just wants any
Re: [yamahacs80] Re: CS-50/CS-60 CV mods possible?
2014-06-20 by Florian Anwander
Hi Am 20.06.2014 05:42, schrieb Cooper Sloan mistercooper@gmail.com ... I just was about writing the same. If a tech isn t able to find the the right place for
Re: [yamahacs80] Re: CS-50/CS-60 CV mods possible?
2014-06-20 by Cooper Sloan
In my opinion this is not the best idea. There aren t too many of these machines out there, they are easy to break, and as others have said the voice control
Re: [yamahacs80] Re: CS-50/CS-60 CV mods possible?
2014-06-19 by pinky
Hi. So I ve contacted my local synth tech and he said he d look into doing it for me but asked if I had any links for what to do. Does anyone have any links or
CS80 voice card for sale
2014-06-16 by blchrr@...
Hi guys, I have complete cs80 voice card for sale if anyone s looking for some parts. Its complete with all the rare IG chips, looking for £200 for it, that s
Re: [yamahacs80] Re: CS-50/CS-60 CV mods possible?
2014-06-16 by pinky
So is it doable? Has anyone done it before?
Re: [yamahacs80] Re: CS-50/CS-60 CV mods possible?
2014-06-13 by pinky
Hi Florian, Thanks for the reply. I use Expert Sleepers Silent Way to control my Hz/V synths. It is capable of producing up to 6 CVs for polyphony. I currently
Re: [yamahacs80] Re: CS-50/CS-60 CV mods possible?
2014-06-13 by Florian Anwander
Hello pinky ... Adding voltage inputs for each voice to a polyphonic CS is not a big technical problem. But the real question is: what will be the source that
Re: [yamahacs80] Re: CS-50/CS-60 CV mods possible?
2014-06-13 by pinky
Thanks mr. Yeah it s just the pitch CV I d be looking for. That s a bummer that it s not so easy. I wouldn t be doing it myself, I d bring it to a tech if that
Re: CS-50/CS-60 CV mods possible?
2014-06-13 by mr@...
Hi Karl, if you are only referring to pitch CV, it s probably not easy and I would recommend some other solution such as a keyboard interface middleman. All
Re: [yamahacs80] CS-50/CS-60 CV mods possible?
2014-06-13 by David Rogoff
Welcome Karl! What are you trying to do with this? The CV path on the CSXX are pretty weird. Also, the VCOs are Hz/volt, not volt/oct so they wonÆt
CS-50/CS-60 CV mods possible?
2014-06-12 by pinky
Howdy. This is my first post. I hope someone can help... I did some digging online and it [I]seems[/I] like it s possible to add CV inputs to the CS 50 and 60.
Re: [yamahacs80] OT: Yamaha AfterTouch magazine archive completed!
2014-06-03 by Daniel Forró
I m very happy to announce here that my project of digitizing of old Yamaha USA AfterTouch magazine was successfully finished and anybody who is interested in
Re: OT: Old Yamaha AfterTouch magazines for download
2014-05-07 by D T
Great stuff - thanks for all the hard work with the scans! DT
Re: [yamahacs80] OT: Old Yamaha AfterTouch magazines for download
2014-05-07 by David Rogoff
Great work Daniel and Rawl! ... Great work Daniel and Rawl! On May 5, 2014, at 4:17 AM, Daniel Forró wrote: My recent project of
Re: [yamahacs80] OT: Old Yamaha AfterTouch magazines for download
2014-05-05 by Daniel Forró
My recent project of converting Yamaha AfterTouch magazine goes well and 31 finished issues were uploaded here for everybody to download:
Re: [yamahacs80] Getting a proper key response.
2014-04-27 by laurie
I suggest you try to replicate the EP problem in your panel and see what makes the level difference in the cycle... it could be sustain level, it could be
Getting a proper key response.
2014-04-27 by <pyjamagroove@...>
Hello, I am slowly learning to calibrate my CS80´s parameters other than pitch. One of the main issues is the proper key response. It is most visible on
Silkscreen error PRA board CS80
2014-04-23 by Tim Conniff
Oh, yeah , here s the pic with a socket covering it, lending itself to a blunder even more easily ! [Non-text portions of this message have been removed]
PRA board silkscreen error.
2014-04-23 by Tim Conniff
Hey everybody Just thought I d post a pic of the CS80 PRA board which has a silkscreen error on IC-1. It s drawn as if it should be installed in reverse of
Re: [yamahacs80] CS-60 Hinge
2014-03-30 by <synthparts@...>
Yes, I do have those. Thanks for the mention Bob! Doug synthparts.com