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How to Replace the Keys on a Yamaha PSR-330 Piano Keyboard

Introduction

If you have an older keyboard such as this Yamaha PSR-330, it may need key replacements and/or repairs. The keys can get sticky, covered in dust and even physically broken. With this guide, you'll be able to remove the keys for a replacement or give it a much needed deep clean to start anew.

What you need

  1. How to Replace the Keys on a Yamaha PSR-330 Piano Keyboard, Keys: step 1, image 1 of 3 How to Replace the Keys on a Yamaha PSR-330 Piano Keyboard, Keys: step 1, image 2 of 3 How to Replace the Keys on a Yamaha PSR-330 Piano Keyboard, Keys: step 1, image 3 of 3

    • Unplug and flip the keyboard over.

    • Remove the 4 inner 25 mm screws using a Phillips screwdriver.

    • Remove the rest of the 7 mm screws using a Phillips screwdriver.

    Edit

  2. How to Replace the Keys on a Yamaha PSR-330 Piano Keyboard: step 2, image 1 of 2 How to Replace the Keys on a Yamaha PSR-330 Piano Keyboard: step 2, image 2 of 2

    • Carefully remove the back casing with both hands from the bottom.

    • The back casing is connected via a ribbon cable so make sure to hold it steady before proceeding.

    Edit

  3. How to Replace the Keys on a Yamaha PSR-330 Piano Keyboard: step 3, image 1 of 1

    • While holding the back casing, unplug the ribbon cable connecting both front and back casings together.

    • Set aside the back casing.

    Edit

  4. How to Replace the Keys on a Yamaha PSR-330 Piano Keyboard: step 4, image 1 of 2 How to Replace the Keys on a Yamaha PSR-330 Piano Keyboard: step 4, image 2 of 2

    • Remove both 7 mm Phillips #1 screws from the XR736(C) PCB.

    • Carefully move the XR736(C) PCB away from the contact pad.

    Edit

  6. How to Replace the Keys on a Yamaha PSR-330 Piano Keyboard: step 5, image 1 of 3 How to Replace the Keys on a Yamaha PSR-330 Piano Keyboard: step 5, image 2 of 3 How to Replace the Keys on a Yamaha PSR-330 Piano Keyboard: step 5, image 3 of 3

    • Push down on the black tabs on the contact pad.

    • Starting from the ends, carefully remove the contact pad by wiggling it out.

    • Be careful of the smaller black hooks on the bottom. These are fragile.

    Edit

  7. How to Replace the Keys on a Yamaha PSR-330 Piano Keyboard: step 6, image 1 of 3 How to Replace the Keys on a Yamaha PSR-330 Piano Keyboard: step 6, image 2 of 3 How to Replace the Keys on a Yamaha PSR-330 Piano Keyboard: step 6, image 3 of 3

    • Flip over the contact pad.

    • Using a clean cloth, dust the contact pad and the silicone molds.

    Edit

  8. How to Replace the Keys on a Yamaha PSR-330 Piano Keyboard: step 7, image 1 of 3 How to Replace the Keys on a Yamaha PSR-330 Piano Keyboard: step 7, image 2 of 3 How to Replace the Keys on a Yamaha PSR-330 Piano Keyboard: step 7, image 3 of 3

    • Remove the silicone molds and dust the other side of them.

    • Set them aside.

    Edit

  9. How to Replace the Keys on a Yamaha PSR-330 Piano Keyboard: step 8, image 1 of 3 How to Replace the Keys on a Yamaha PSR-330 Piano Keyboard: step 8, image 2 of 3 How to Replace the Keys on a Yamaha PSR-330 Piano Keyboard: step 8, image 3 of 3

    • Remove the 10 mm Phillips #1 screw(s) from the case.

    • The screws would be in the middle and above the keys.

    • Flip the keys rights-side up.

    Edit

  10. How to Replace the Keys on a Yamaha PSR-330 Piano Keyboard: step 9, image 1 of 3 How to Replace the Keys on a Yamaha PSR-330 Piano Keyboard: step 9, image 2 of 3 How to Replace the Keys on a Yamaha PSR-330 Piano Keyboard: step 9, image 3 of 3

    • Remove the 7 mm Phillips #1 screws from the keys together

    • Remove the keys in sections using both hands.

    • Clean the area using a clean cloth and/or compressed air.

    Edit

  11. How to Replace the Keys on a Yamaha PSR-330 Piano Keyboard: step 10, image 1 of 3 How to Replace the Keys on a Yamaha PSR-330 Piano Keyboard: step 10, image 2 of 3 How to Replace the Keys on a Yamaha PSR-330 Piano Keyboard: step 10, image 3 of 3

    • Using the tabs on the keys, insert them into their respective slots.

    Edit

  12. How to Replace the Keys on a Yamaha PSR-330 Piano Keyboard: step 11, image 1 of 3 How to Replace the Keys on a Yamaha PSR-330 Piano Keyboard: step 11, image 2 of 3 How to Replace the Keys on a Yamaha PSR-330 Piano Keyboard: step 11, image 3 of 3

    • Place the set of keys back one at a time.

    • The two sets of white keys go on the bottom, and the set of black keys go on top.

    Edit
Conclusion

To reassemble your device, follow these instructions in reverse order.

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Austin Community College, Team 7-1, Watkins Summer 2023 Member of Austin Community College, Team 7-1, Watkins Summer 2023

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