My PX-830's G# key above middle C has lost sensitivity, even the softest touch produces a loud note and it has been bugging me for months. It is out of warranty and I couldn't find any repair shops that fixes digital pianos. Is it possible to fix it manually and if so, please tell me what I need to do. Thanks.
I just fixed mine, it was making the loud sounds and had seemed to have lost the sensitivity. Take out all the screws on the outside, then the sides can come off. That gives access to the inside where you can take out a few more screws (easily seen) and open it all up. The keys themselves just snap in, so two small screwdrivers or strong fingernails can pop them back out. Clean the rubber contacts (they look like little sockets) with Q-tips and rubbing alcohol, then replace the keys. If you take out the white keys of an octave first, then the black keys (keeping them in order) it is a lot easier.
SOURCE: casio privia key issue
The only way to analyze this is to open the case. You may find contaminating material has gotten in, or broken part, or key slightly out of position on pivots or pivot plastic broken.
When opening, be VERY careful of the tender ribbon cables. Have a large work surface that you can unfold the top onto. Be careful to use correct screw lengths and thread in each place you removed.
SOURCE: Hi, the sustain pedal on
clean with q-tips and rubbing alcohol around the moving parts, let dry 5 min, and some graphite lubricant may help. graphite is a slippery dry powder good for reducing friction on moving parts. comes in a little tube, normally sold buy the key making dept at any store
SOURCE: My Casio Privia PX-110 is playing two notes at
IF every key sounds like it is doing that, you may have two voices selected with one of them being transposed.
You may have an "effect" turned on that generates a chorus, layered or multiple voice sounds.
SOURCE: I've recently purchased a Roland
Sorry, but Roland uses the opposite sense switch. They use normally closed where Casio requires normally open contacts. SOMETIMES one can rewire the pedal internally, but you have to be mechanically and electrically inclined to do that.
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The key's action seems to be ok, it's just that the key plays loud most of the time. I want to fix this myself but I don't know where to start.
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