How to Replace Keys on a Roland Digital Piano

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How to Replace Keys on a Roland Digital Piano
Roland digital piano keys are designed to respond like acoustic keys. (Ablestock.com/AbleStock.com/Getty Images)

Roland is a Japanese musical instrument manufacturer that specialises in electronic instruments such as keyboards, synthesizers and digital pianos. Typical models in the digital piano range feature weighted keys. These approximate the feel and response of acoustic piano keys, creating a more authentic playing experience. If you are having problems with the sound, feel or general playability of your Roland digital piano, you can replace faulty keys yourself.

Skill level:
Moderately Challenging

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Things you need

  • Phillips screwdriver
  • Electrical tape
  • Replacement keys

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Instructions

  1. 1

    Turn on your Roland digital piano. Adjust the volume dial to your preferred level.

  2. 2

    Identify the faulty keys. Play each key, starting at the far left of the keyboard. Listen for differences in volume that may indicate an insufficient contact between key and contact strip. Don't confuse a dip in volume for an intentional difference in weighting. For example, to emulate the authenticity of a grand piano, the 88-key Roland F-110 has heavier weights in the bass keys. This means you need to play the key harder to get the same volume from a bass note as you would a higher note. If you hear clicking or a distinct dip in volume, put a piece of electrical tape on the key to identify it as faulty. Once you've disconnected the power, you can't check which keys are working.

  3. 3

    Turn off the Roland digital piano. Unplug the power cable.

  4. 4

    Place two pieces of supportive material, such as foam, sponge or books on your work bench. Position the material so that it supports the edges of the piano when face down. This prevents the keys and other controls from becoming scratched when laid on your work bench.

  5. 5

    Put the piano face down with the keys pointing toward you. Rest the edges of the piano on the soft material so that there is clearance between the keys and the work bench.

  6. 6

    Unscrew the bottom of the chassis with a Phillips screwdriver. Stick the screws to a piece of electrical tape to keep them in order and prevent them from rolling away. It's easier to replace the keys back into the holes from which you removed them.

  7. 7

    Unclip the plastic flex cable plugs from the circuit board. These obstruct access to the keyboard assembly.

  8. 8

    Use a small Phillips screwdriver to unfasten the brass screws holding the circuit board in place against the keyboard assembly. The connected cables are long enough to allow the circuit board to be moved, without the need for disconnecting the soldered wires.

  9. 9

    Lift the keyboard assembly out of the piano chassis. Anchor your thumbs against the ridge on the bottom and slide it toward you, then up.

  10. 10

    Put the keyboard assembly face up. Press down on the back of the faulty key. This forces the bottom of the key upward. Slide your finger underneath it and lift the key out. Slot the replacement key into the vacant space. Push it as far back as it will go so it sits flush against the rear of the assembly.

    How to Replace Keys on a Roland Digital Piano
    Push down at the back and lift up at the front to remove the key. (Stockbyte/Stockbyte/Getty Images)

Tips and warnings

  • Since you've got the piano chassis open, spray a little plastic-safe contact cleaner onto the key contact board.

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