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OH MY GOODNESS. WHAT HAPPENED TO THE KEYS??!?!?? oh. phew.

For anyone interested, I took a bunch of pictures of the insides of my CS-80 and stuck them on my website at www.therogoffs.com/cs80. I also put a link under the Links/Electronics-repair page. The

Id opt for 2) and 3). This seems to be the most sensible thing to do, otherwise it would be like... well, imagine John Lennons psychedelic Rolls Royce, you get it and decide to paint it black all over

Hey David. I think we've been through the 'touching the cards' thing... Look at Scott's (Old Crow's) site www.cs80.com for info on this. You don't want to blow those static sensitive chips...! I

My own feeling is that unless the CS80 you have is cosmetically damaged or significantly impaired, I would keep it as stock as possible. I think it will affect the resale value to the NEGATIVE even if

wrote: Duncan, most of the circuits in the CS60 are the same as in the CS80 (voice/M cards, keyboard scanner). There are links from the Links page to some of the circuit diagrams. Most of these

<wavecomputer360@g...> wrote: up a up with these mods but... Stephen, You bring up a big, important issue, which I've been thinking a lot about. Here's the main options: 1) minor repairs, tuning,

Hi David, Just need one more plinth for the after touch boards which is around here somplace so bare with me. KSR

Hi David, congrats on your find! But.... (boring old elitist alert) dont rip this CS80 apart. What makes it what it is is the entity... and chopping up a synth that is rare and soughtafter seems

Well, thanks to Bradley/Synth80s (and my friend Ed, for helping me get it up the stairs), I am once again a CS-80 owner! The tolex is a little bit rough and the keyboard needs a bit of work, but

Has anyone any experience of the CS60? I have one for restore/repair. Basically, everthing sounds garbled, and on depressing just a single key repeatedly gives a different sound each time it's

It is not that simple: the CS machines are much more than the sound of their chips. The only way to re-create a CS-80 is to make sure there is the correct type of weighted keyboard with poly

Crow- Once you have replaced all the custom chips with equivalent discrete circuits, how much further do you have to go to essentially recreate a Yamaha CS-80? Imagine I have a MIDI keyboard capable

Well where do you start.... I guess the Unison for one and the power supply in a 19" rack mount, individual CV&#92;Gate outs for each voice and after touch VCF, VCA. And the LFO mod for bank II, the

to people Did anyone say channel audio outs? I own a Marion Systems MSR-2 which has 16 audio inputs into dual board 16 voice synth's filters. I build the cables for the inputs and tested. My dream

seperate lfo for voice II?

My biggest mod plans are to replace all the custom chips with equivalent discrete circuits. For a voice board, it will be mostly surface-mount parts in order to keep the board the same size as

Good point, this. Whats the point of having all these beautiful mods when the instrument becomes unplayable due to some dead custom ICs? Making the spare parts situation sort of safe is an important

Here comes my wish list: Auto Tune, most definitely. Indicator LEDs on each voice board that show you which is active (if theres no auto tune possible and you have to tweak them in tune

Yes, I have that set of Yamaha engineering notes. In fact, that page you indicated was my primary guideline for the discrete version. I think the reset pulse is to guarantee a full waveform reset