Casio CTK-501 LCD Screen Replacement

Flip the keyboard upside down so the bottom is angled towards you.

Use a #2 Phillips screwdriver to remove the twenty-seven 12 mm screws from the dark gray bottom panel.

Remove the bottom panel by lifting the bottom panel up and outward from yourself.

Flip the top half of the keyboard and set onto the bottom half with the internal parts facing up.

Completely unscrew and remove all six of the screws on the central circuit board.

Lift the circuit board out of your way.

Remove tape from the LCD screen and remove the screen completely.

Replace the LCD screen and tape it down to the top cover.

Place the circuit board back on top of the LCD screen and screw all of the screws completely in their original positions.