Korg X50 Joystick Issue

[Stephen.m3]

Hi Team,

I have the issue with Korg X50's joystick, its not scrolling to left and remaining are working well including the center select button.
I tried opening up the keyboard and did the basic cleaning works and still the problem exists.
I have the replacement joystick part, shall I try installing this into the PCB and check.(DIY)

Or in the manual I saw about calibration, any idea how to do the calibration on joystick and check.

Suggestions please. Also the power supply board in keyboard is getting very hot, does the parts in it need replacement, like the regulator IC.