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After two months or so of play my keys are starting to make annoyingly loud mechanical noises. Not all keys are the same. It almost seems like if there were a damping material at the end of travel that it is failing because at the end of travel on the downstroke there is more of a plastic on plastic sound rather than a softened thud. I am also finding that there is a squeak on some of the keys in addition to the other sound. The noise is definitely not coming from the speakers but is strictly mechanical in nature. It is loud enough that it overpowers the softer moments in a performance and is making it unsuitable for public play. Another symptom is that if i slide off a fully depressed key and let it rise of its own accord some make a rattle type sound when reaching their natural position. It seems like some damping material has failed on the upstroke as well. These issues are getting progressively worse as I use the board. Is anyone else having this issue? What can be done to fix it? Do I have a lemon?

Hi All, I am new on pianos. I bought an PX-780 2 years ago and I haven't played anything more than basic songs. today I found a key (C note) which is noisy when I release. The piano still has a few days of warranty. I would like to ask if this is an issue you have had with pianos! and if so would yo uthink should be covered by warranty? the video link: https://photos.app.goo.gl/xAr88CxentZSon642 Thanks, Vassilis

Hi, I have a CT 460 which is all fine except for one key stuck in the 'up' position (see image). It seems the little prongs on the underside of the back key which stop it rising above the others when returning to position after being pressed have slipped above the retainer. Has anyone successfully dismantled one of these keyboards and can give me pointers as how to to fix it? I want to gift it perhaps to an elementary school music dept. and it seems a pity not to do so with it in perfect order. Thank you so much