Repair Yamaha P-120 Piano broken keys

After a fall for example, some keys can be broken in a way you cannot push them anymore, or they are out of their normal position

1. Open the case

Turn the piano keyboard down

Unscrew *every* screw on the back

Put the piano keyboard front

Slide the wood part to the back

Unscrew the remaining blocking screw inside

Slide the part next to keyboard to front

2. The keys

What they look like

How to change them

Little video - keys change

3. Close the case

video - todo functiona !

Other ressources