Re: DX7II-D white noise problem
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The oscilloscope was fun but it did not teach me much in the end. It was mainly by carefully listening and editing patches that I convinced myself that the OPS2 was working and that the EGM had to be the problem.
Use the init patch instead of presets, it is easier to reason about. Try varying the algorithm. Try low values for R1 (attack). Can you get clean sounds? (I.e. no noise.)
Thanks for your suggestion, I read it, I also think there is a hardware problem. I have a good DX7S motherboard that uses the same chipset, I'll start comparing the signals around the two big chips with an oscilloscope to see if I can learn something. Thanks!
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