Model 15 Oscillator warble

System 55 • System 35 • Model 15
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PaulLawler
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Model 15 Oscillator warble

Post by PaulLawler » Tue Jul 18, 2023 6:47 am

Hi

One of the 921b's on my model 15 has suddenly started doing random pitches or warbling when I move the octave switch.

The 921b next to it is fine.

Any ideas what might be causing that ?

Thanks.
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AlakaLazlo
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Re: Model 15 Oscillator warble

Post by AlakaLazlo » Tue Jul 18, 2023 7:52 pm

Sorry you are having so much trouble with your 15. I had 2 thoughts. The switch itself may be failing. a squirt of Deoxit may help. Make sure the edge connector on the back of the module is fully seated.
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PaulLawler
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Re: Model 15 Oscillator warble

Post by PaulLawler » Wed Jul 19, 2023 4:40 am

Yeah it's definitely the octave switch because basic things like blowing on it helped a bit - put even different finger pressure on the switch can bend the pitch. I'll try this spray first and then I guess it's off to the tech.
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