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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 have a few myself -- CS-30,

Hi Florian, Thank you for your reply. Bye! Roby

Hi Colin, thank you for your advice! Roby

Hello There is simple help for this. Add a LED driven by the gate of each voicecard: http://www.florian-anwander.de/yamaha_cs60/ Someone once said, this might affect the behaviour of the Gate

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 on the KAS board and the '0'volts on

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 through. Each time.you powerup the unit it

Hello Roby, get the service manual for the CS-50: it contains a complete adjustment

Hello, first all, thank you for approval of my membership in the group. I'm a owner of a CS50, that I purchased recently. The synth need a complete calibration, and I want to ask you what is the

Has anyone experienced this. The Cs80 output level from one day to the next went from normal to nothing. It started getting lower and lower and now I got no output level at all. Could it be

Thank you so much for the instructions. What I am worried is damaging the felt covering. How or what did you use to pull it up? It seems very well glued in there. Regards John

Here’s the instructions I used when I replaced one several years ago. Worked great. There is nothing very special you need to do the ribbon spring. First remove the Flock or felt covering. Remove

Hi Marteen, I also need to replace the ribbon spring which I bought some time ago. Are there any videos out there showing the procedure? Thanks John

Hello Im need 2 springs what is your mail?

Hi Maarten, I have a small number of replacement Ribbon Springs available to buy so please email me directly for details: richard@... Regards Richard Lawson

Hello All, currently I am repairing a CS-80 which had a lot of problems, it was not powering up and several custom Yamaha chips where dead on serveral boards. I managed to get most of the chips

Does anyone have the Sub-Oscilator board replacement components LIST, in case I need to buy replacements and where you usually source them from. Thanks

Hi. Do you still have any of those bulbs for sale? ---In yamahacs80@..., <mborish_2000@...> wrote : I can help you with the panel bulbs. It took me years to find replacements, so I

Thank you both Florian and Jonathan. I'll take your advice seriously.

its quite true what Florian says ... it's really not something you can approach lightly ... at least not without understanding the interactions of components and circuitry architecture. I have years

Hello You need an oscilloscope and the ability to handle the scope and the ability to read schematics and pcb layouts. To be honest: As long as you are not an "electronics guy" the chances that you