Hi,
I recently purchased a YAMAHA PSR-310 Keyboard in order to give learning the keyboard a go. I've noticed that the keys are quite stiff and require more than normal effort to press. Can anyone give me advice on how I can loosen them or have them fixed?
I recently purchased a YAMAHA PSR-310 Keyboard in order to give learning the keyboard a go. I've noticed that the keys are quite stiff and require more than normal effort to press. Can anyone give me advice on how I can loosen them or have them fixed?