How to Fix Unresponsive Keys for an Optimus Concertmate 980

ID: 178990

Description: Over time, in older pianos like the Digital...

Steps:

1. Test all keys to identify the ones that are not functional.

2. Flip the piano to its backside.
3. Remove all the screws on the back of the piano using a Phillips #0 screwdriver.

4. Remove the back metal plate.
5. Flip the piano to its front before the next step.

6. Lift up the top panel from the back.
7. The panel won't come off completely due to the cables connected.

8. Reattach any loose cables.
9. Clean any dust from the top of the keys with a vacuum or cotton swab.

10. Using a Phillips #00 screwdriver, remove all the screws attached to the top of the keys.

11. Remove the white keys by pulling them from the top and sliding them down.
12. To remove the black keys, pull on the keys first to pull off, then remove the keys entirely.

13. Clean all the dust under the keys.
14. Clean around the orange tips, making sure they are upright.

15. Place the keys in the same order as you took them out.
16. Using a Phillips screwdriver, replace all the screws in the same places as you removed them.