Is my Yamaha CS01 braindead?

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Is my Yamaha CS01 braindead?

Postby iamrcb » Thu Jul 01, 2010 9:47 pm

I was messing around inside my CS01 earlier today looking for usable circuit bending modifications and I think I've shorted something pretty important. Now it doesn't make a sound! I can coax a constant, low volume high-pitched whine out of it that the filter will act on by nothing else.

Any tips on possible remedies or have I foolishly blown a critical IC?

Thanks
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Re: Is my Yamaha CS01 braindead?

Postby Bark! » Sat Aug 05, 2017 4:35 am

Hi,
I know your post is an old one, but I'm sort of in the same situation, and I was wondering if you ever managed to solve the problem, and how?
I wanted to add a midi retrofit to the cs01 mkII's board, I followed all the steps (in my eyes) correctly, but somehow I ended up wrecking my first and favorite synth.. I'm gutted..

So please tell me, is there hope?

Thanks,

Bart
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Re: Is my Yamaha CS01 braindead?

Postby madtheory » Sat Aug 05, 2017 1:33 pm

You have not provided enough information for anyone to diagnose it. It's possible you overheated a component, or damaged an IC with static, or cut a wrong trace somewhere. Do you have the service manual? IC datasheets? A DMM? Can you undo the MIDI kit and go from there?
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