Ive done Alot! of research on the common problem and wondering if anyone has found a solution. Frankly Casio should sort this quickly because the community press on this looks bad for them and honestly would stare me away to another brand.
Here is the issue. On 3 keys I get a loud electrical buzzing sound from the speaker. Mine is high up on the key board. Other people have it somewhere else. The buzzing is over top of the piano sound being triggered.
My experiment as follows.
Its only when I trigger hard and medium Soft playing does not induce the buzz.
The buzz will be louder or softer depending on how hard I press the key
It is not maxhanical and the sensor for this reason. It ONLY busses on the Piano sounds. ANY sounds like strings bass guitar or ever E. Piano it does not happen.
When running the piano via midi playing a vst piano plugin. No problem at all
This suggests to me it is a fault in the wav. Files somehow trying to recreate those preticular notes. Even more specific the middle and hard notes of my 3 keys. Remembering the PX780 is tri sensor so effectively 3 recorded notes per key. And again across all internal piano sounds of the PX780.
This is not just a problem with the 780. Ive read of other models with the same issue.
Ive factory reset as someone suggested and it didnt fix the issue
So Casio hello??? Could you please come to the party and help. My suggest on my results is somehow I need to reload the piano files back into my PX780m. Somehow they have become corrupt and Im confident this will fix this.
Please Casio can you help
