I left the piano pugged in and turned on for a couple days. Today I heard a buzzing sound coming from the piano and turned it off. When I turned the piano back on I got no sound. I unplugged the piano and then turned it out. It then came on without a power source.
SOURCE: Auto accompament failure Yamaha DGX220
I had similar problem out of the box; fixed by setting Function to Style Volume and adjusting upward.
SOURCE: Our Yamaha clavinova CLP-115 is buzzing, even with
Without power to the unit no sound should be generated. Make sure there are no other connections.
MAYBE you have a wall transformer behind it that is buzzing. MANY wall transformers develop buzz.
Another source is flourescent lights and even some of the low voltage halogens have noisy transformers in the base.
SOURCE: original circa 1982 Kurzweil Ensemble Grand
Given its age, this unit needs a little TLC. Units of that vintage used some capacitors that may have dried out a bit and need to be replaced. There are also op-amp ICs internally that may be defective. I would suggest a visit to a service shop that works on keyboards as not all do.
Keep us posted.
Dan
SOURCE: MY YAMAHA DGX220 KEBOARD
Hi Try different power outlets. If the keyboard works, the circuit breaker/fuse for the original outlet(s) needs attention. Next, check if the battery contacts (inside the battery compartment) are clean and making good contact when batteries are used. If after trying these actions the keyboard still does not work, the problem could be the on/ off switch open internal circuits in which case have a qualified keyboard technician repair your unit. Also Try a mild reset or a factory reset.... Hold down the highest white key while powering up. OR... Factory reset... Hold down the highest white key + the nearest 3 black keys while powering up the keyboard. However A factory reset, the second option, will DELETE everything you might have stored in any of the user areas! Please get back to us if you have further query else please accept the suggestion. Thank you for contacting fixya.com
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