yamaha CS-10 stuck LFO!

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Re: yamaha CS-10 stuck LFO!

Postby eyeprod » Sat Jun 25, 2016 3:14 am

Hello,
I have come across a similar problem with my cs-15. I was adjusting the VR's for the LFO speed and somehow the sine wave died during the process. The other waveforms are fine. Now, when switched to sine wave the LED is not working, nor is the LFO sine wave. The LED works as it should when in the Sawtooth and S&H position.

I suspect the IC IG00150 needs replacing, but thought I would research it a bit first.

Any ideas of another possibility?

Thanks for reading. I love my CS-15 and it's my main synth. I can get by without the sine wave, but it is nice to have.
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Re: yamaha CS-10 stuck LFO!

Postby brownshoesonly » Sat Dec 02, 2017 7:56 pm

old thread.. but my lfo just started having some issues.. sine wave dropped out. sawtooth is fine.

anyone come to any conclusions in their own issues?
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Re: yamaha CS-10 stuck LFO!

Postby 1way2life » Sat Feb 16, 2019 1:30 pm

Same here,

Cant seem to find any replacement ICs.
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