My G933 that I've had for a little over a year now started to have issues with the power button that affected the sound. I contacted Logitech support and tried all of
Sound Problem because of On/Off Dial - Logitech G933 Artemis Spectrum - iFixit
Sound Problem because of On/Off Dial - Logitech G933 Artemis Spectrum - iFixit
How I fixed my Logitech G933 Power Button - YouTube
Logitech g933 power switch issue affecting sound quality - YouTube
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Logitech G933 Power Switch Repair - Album on Imgur