CS80 MicroSine?
2014-01-08 by <galaxiesmerge@...>
Anyone here know or have used a MicroSine for the CS80? There is an online link here to the old ad: http://www.pinterest.com/pin/59602395038345811/ Look s
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RE: Service manual errors / KAS question
2013-12-30 by <david@...>
Hi all. Happy Holidays to all! I just uploaded some more pics/docs to the folder http://groups.yahoo.com/neo/groups/yamahacs80/photos/albums/519437225 These
RE: Red Slider Tabs / Caps
2013-12-25 by <synthparts@...>
Hi, I have them in stock. Doug www.synthparts.com
Re: Gary Leuenberger CS80 Patch Guide - Trasferred from CASSETTE
2013-12-24 by <gugyhuss@...>
anyone got these audio files? please repost
Red Slider Tabs / Caps
2013-12-24 by <gugyhuss@...>
Anyone know where I can get 2x2 of the Red Slider Caps from? for the filter sliders? Thanks
Re: [yamahacs80] New CS-80 (old obviously) , No POWER
2013-12-23 by Timothy Siefkes
I just finally reorganized my small but comfortable home studio space here last month, which finally (after living in this place eight years) also allowed me
Caster Wheels
2013-12-21 by <gugyhuss@...>
Can someone post to some pictures of the Caster Wheels, I m gonna try and source some for mine. Cheers
Re: [yamahacs80] New CS-80 (old obviously) just arrived to Brisbane Australia , No POWER
2013-12-20 by Bob Stewart
Yes they re great machines. Seriously over engineered. The fact that the sine doesn t go through the filter, and the way the ribbon works in that everything is
Re: [yamahacs80] New CS-80 (old obviously) just arrived to Brisbane Australia , No POWER
2013-12-20 by Dr Nayyar
Still that s impressive , heavy duty! It s been fun getting to know it for example I was trying to edit the presets for a while thinking why wasn t I able to
Re: [yamahacs80] New CS-80 (old obviously) just arrived to Brisbane Australia , No POWER
2013-12-20 by Bob Stewart
It was purchased for a very small sum. After that month it had settled to stable state, and then we could start assessing what needed to be done. The trimmers
Re: [yamahacs80] New CS-80 (old obviously) just arrived to Brisbane Australia , No POWER
2013-12-20 by Dr Nayyar
Continuously for a month? as in on all the time? That s a great machine. Sent from my iPhone ... Continuously for a month? as in on all the time? That s a
Re: [yamahacs80] New CS-80 (old obviously) just arrived to Brisbane Australia , No POWER
2013-12-20 by Nigel Cruickshank
Keep an eye on eBay - the leg sets come up every now and again. ... Keep an eye on eBay - the leg sets come up every now and again. On 20 Dec 2013, at 6:47 pm,
Re: [yamahacs80] New CS-80 (old obviously) just arrived to Brisbane Australia , No POWER
2013-12-20 by Bob Stewart
I d be inclined to leave it powered up continuously if you can. One CS80 that I service took about a month to settle properly once powered. Stand wise, I d say
Re: [yamahacs80] New CS-80 (old obviously) just arrived to Brisbane Australia , No POWER
2013-12-20 by Dr Nayyar
Thanks guys! All sorted - bought a 500W rated isolation transformer and continuous unit. And she came to life! Figured as it is only in a studio a really good
Re: [yamahacs80] New CS-80 (old obviously) just arrived to Brisbane Australia , No POWER
2013-12-19 by <gugyhuss@...>
Hi David, thanks for all the info, great website resource you have and I ll def point my tech towards the install of the midi switch in the power compartment
Re: [yamahacs80] New CS-80 (old obviously) just arrived to Brisbane Australia , No POWER
2013-12-19 by David Rogoff
... IÆve installed 4 (soon to be 5) of these and never heard of this problem. ItÆs a really complicated, tricky install and you could mess up lots of things
Re: [yamahacs80] New CS-80 (old obviously) just arrived to Brisbane Australia , No POWER
2013-12-19 by David Rogoff
IÆd run to the nearest hardware store and get a $10 (or more) multi-meter, set it to 200 VAC range and check the voltage coming out of the transformer! On
Re: [yamahacs80] New CS-80 (old obviously) just arrived to Brisbane Australia , No POWER
2013-12-19 by <gugyhuss@...>
I ve ordered a Kenton Midi Kit . Anyone have one of these fitted? I ve heard it can mess with the aftertouch?
Re: [yamahacs80] New CS-80 (old obviously) just arrived to Brisbane Australia , No POWER
2013-12-19 by <gugyhuss@...>
yeah might check out a tech store tomorrow. Fingers crossed. It was magical while it lasted.
Re: [yamahacs80] New CS-80 (old obviously) just arrived to Brisbane Australia , No POWER
2013-12-19 by <gugyhuss@...>
There seems to be power coming out of the converter, well it hums slightly when i turn it on. I don t have any other 110v machines with me at the moment to
Re: [yamahacs80] New CS-80 (old obviously) just arrived to Brisbane Australia , No POWER
2013-12-19 by Robert Stewart
I suspect you ve taken out the fuse in the stepdown transformer. CS should be OK. to be safe you should overate your stepdown transformer, so you ve got a nice
Re: [yamahacs80] New CS-80 (old obviously) just arrived to Brisbane Australia , No POWER
2013-12-19 by Daniel Forró
Maybe step down transformer is dead, or some protector inside it. CS80 asked more power then it could supply... Just check it s output if there s voltage. If
New CS-80 (old obviously) just arrived to Brisbane Australia , No POWER
2013-12-19 by <gugyhuss@...>
Hiya got a cs-80 from LA shipped by FedEX, arrived plugged it in, it is labelled 117 Volt 180W . I used a step-down converter rated at 75W - i used it for my
RE: Service manual errors / KAS question
2013-12-18 by <david@...>
Oh - and you re of course correct about only 3 used values. The 4th would be 0k in parallel with 3.3M and 470k, which is still zero (give or take the 100Ω -
RE: Service manual errors / KAS question
2013-12-18 by <david@...>
Joachim - thanks so much - great pics! I had already ordered some 10k trimmers that should arrive today. More updates to my corrected version of the service
RE: Service manual errors / KAS question
2013-12-18 by <joachim.milson@...>
I ve just posted three close-up photos of my own KAS: http://groups.yahoo.com/neo/groups/yamahacs80/photos/albums/519437225 (these components are very likely
Re: [yamahacs80] RE: Service manual errors / KAS question
2013-12-16 by David Rogoff
... D-oh! Thanks for the reminder Joachim. I knew that but had a mental block. Still not sure whether itÆs this particular CS80 or the docs. To remind
RE: Service manual errors / KAS question
2013-12-16 by <joachim.milson@...>
Concerning the 0.01µF caps: This part of the circuit is to create the glissando from the portamento: the low-pass filter just smooth the steps of the
Re: [yamahacs80] No Filtersignal in Panelmode in Voice I / wiring of panel ?
2013-12-16 by Bob Stewart
Sounds like a problem with the switching of the filter section. Need to look at how the panel switch switches between various presets, and the panel, memory
RE: No Filtersignal in Panelmode in Voice I / wiring of panel ?
2013-12-16 by <joachim.milson@...>
Hi Florian, This could be a wire issue as suggested by the second part of your post. Concerning the coding, it does follow the conventions (at least in the
Re: [yamahacs80] Service manual errors / KAS question
2013-12-16 by David Rogoff
... Thanks. IÆve never known of difference versions of the CS80 service manual, but I guess itÆs possible. The silkscreen on the board matches the manual
RE: Service manual errors / KAS question
2013-12-16 by <galaxiesmerge@...>
Wish I could help but I m clueless: I do have some of the original CS80 documents lying around the house so I will take a look and find out: if there is a
No Filtersignal in Panelmode in Voice I / wiring of panel ?
2013-12-15 by Florian Anwander
Hello, I have a weird problem with a CS-80: there is no signal coming from the filters in section 1 if the synth is in panel mode. The sine signal is coming
Re: [yamahacs80] Service manual errors / KAS question
2013-12-15 by David Rogoff
More I just found: VR5 on the KAS is actually 5k, not 2k. This one is troubling since it’s a time-constant: all the 0.01µF caps that feed the 3.3MΩ
Service manual errors / KAS question
2013-12-15 by <david@...>
Hi all! Hope everyone is doing great. I m still working on a major CS80 overhaul and was getting ready to put in a couple hundred 25-turn trimmers. The first
RE: FC7 pedal on CS80 : beware!
2013-12-11 by <joachim.milson@...>
The mystery was solved this morning. As the title of this topic adds to the already great confusion about using an FC-7 pedal on the CS-80 EXP connector, I
RE: Repairing faulty AT sensor
2013-12-08 by <joachim.milson@...>
That s really weird! Anyway, that s OK for now.
RE: Repairing faulty AT sensor
2013-12-08 by <pyjamagroove@...>
Well, it plays at minimum AT actually.
RE: Repairing faulty AT sensor
2013-12-08 by <joachim.milson@...>
One final thing you could probably do while waiting for the final repair to be done. Currently, whenever you play the key with faulty AT sensor, it plays as if
Re: Hello, new member with a few CS-60 questions...
2013-12-08 by leefordwatford@bellsouth.net
So I checked voltages at the KAS board, the 3rd voice board seems to be getting the same voltage/drop as all the others...so I should be able to rule that out,
RE: Repairing faulty AT sensor
2013-12-07 by <pyjamagroove@...>
That would explain why the glue guy left it alone and repaired the other one. Anyway - I´ve switched the pcb´s and it´s in the place that is less
RE: Repairing faulty AT sensor
2013-12-07 by <joachim.milson@...>
I fear that the value of resistor R2 has become too low now to let you compensate by a reasonable value of RA.
RE: Repairing faulty AT sensor
2013-12-07 by <pyjamagroove@...>
So I´ve changed RA from 6.7k to 3.8k and nothing. I still read 14.2v where it should be around 4V. So I´ve changed RA from 6.7k to 3.8k and nothing. I still
RE: Repairing faulty AT sensor
2013-12-06 by <pyjamagroove@...>
I know what you meant by The Guru ;) - I liked the term. I would try to go with 4.4k and when it works better, down to 2.2k. But right now I´m now scared
RE: Repairing faulty AT sensor
2013-12-06 by <joachim.milson@...>
blue, grey, red give 68 x100 = 6.8k, not 67K. This is better than 680, but certainly lower than the initial value of R1 (when I had to fix my own AT issue,
RE: Repairing faulty AT sensor
2013-12-06 by <pyjamagroove@...>
RA is blue, grey, red. So it´s X100. 67K. 1. Is it really a risk? Now it´s 67K.. I could try 44k for example. 2. The Guru is unknown. Might be dead as
RE: Repairing faulty AT sensor
2013-12-06 by <joachim.milson@...>
PS at the end of step 2, I meant : Then you ll also have to adjust RA for an appropriate value.(not R2)
RE: Repairing faulty AT sensor
2013-12-06 by <joachim.milson@...>
For resistor RA, the colors seem to be blue-gray-brown. Can you confirm this, especially the brown? If this is the case, its value is only 680 ohms, which is
RE: Repairing faulty AT sensor
2013-12-06 by <pyjamagroove@...>
Number 2 works rather well. I think we should not worry about 2 (or should we? they - 15 is in series). Anyway, on number 2 RC is connected to -15 and probably
RE: Repairing faulty AT sensor
2013-12-06 by <joachim.milson@...>
Ouch ! There is glue here and there and especially on carbon tracks! I don t know if that s a recommended thing. But don t remove it for now as the result