Ever wanted to see inside a Yamaha CS60?

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Doing a bit of work on my CS60 today, including replacing part of the switchbank (with original parts) as one of the switches was a bit dodgy. I'm also attempting to clean the inside of the ribbon controller, which is somewhat tricky. It had been exhibiting some intermittent, unstable pitch issues on the lower end (when pressed), but it's improving each time I tinker with it.

Looking inside, it's easy to understand why these cost the same as a small house when they were released back in 1976. 


Just check out all those voice cards and the monster wiring loom!

There's more under the keyboard too.






As you can see, it's quite busy in there!
I'll be gutted to part with this, but unfortunately it'll be helping fund our next house.
My wife asked me to stop singing Wonderwall.
I said maybe.....
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Comments

  • RavenousRavenous Frets: 1484

    My god it looks like a Tardis in there.

    At least it appears to be using chips in those boards, not discrete transistors or something. :(

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  • Winny_PoohWinny_Pooh Frets: 7731
    Awesome
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  • goldtopgoldtop Frets: 6101
    Cripes. I think I'd just shut the lid and lie down.

    Got to admire the designers who made these monsters a reality.
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  • merlinmerlin Frets: 6595
    When I look at those pics I get that slightly queasy feeling I have when I see men tampering inside those crazy large green junction boxes...
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  • That's amazing!
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  • What I can't demonstrate with the pictures is the smell. Anyone who is used to dealing with old, Japanese electronics will likely know what I mean. Multiply this by umpteen circuit boards, when you lift the lid, the aroma is somewhat overpowering!
    There are quite a few chips in there, but some of them are custom-built jobbies and are worth a fortune on their own. Those big, white and black chips which live under the keyboard go for between £500-800. Each. Crazy!
    My wife asked me to stop singing Wonderwall.
    I said maybe.....
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  • goldtopgoldtop Frets: 6101
    So it's worth more in parts! :-o
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  • I am here to register my Wows. 
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  • Potentially, yes. Many CS60s have been stripped to keep CS80s going (the CS80 being more or less two CS60s in one case, with a single keyboard).
    Although I'm going to be selling mine, I'm not going to strip it. I'd much rather it went on to someone who loves it. If the next owner strips it, I don't want to know about it!
    My wife asked me to stop singing Wonderwall.
    I said maybe.....
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  • Danny1969Danny1969 Frets: 10356
    Mmmm I love that early Jap electronics smell, it's the smell of easily unsolderable components, normally no SMD's and everything generally easy to work on. 

    I stripped a desk from 1982 a while back for it's cargo of SIL duel opamps which I knew were popular with certain cork sniffers . Nearly had a huge stack of sixties geranium transistors from an old organ  but the owner went ahead with the repair. 
    www.2020studios.co.uk 
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  • SassafrasSassafras Frets: 30273
    Rather you than me.
    Gulp!
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  • Amazing.  Makes me feel a bit of a wuss for putting off taking my VZ1 apart to replace the screen backlight :)
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  • goldtop said:

    Got to admire the designers who made these monsters a reality.
    Not to mention the lowly solder monkeys who had to put them together. 

    Don't talk politics and don't throw stones. Your royal highnesses.

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  • John_AJohn_A Frets: 3775
    Amazing pics, you can certainly see why tech is cheaper these days
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