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Onkyo R-21 Laser Cleaning

Introduction

Problem: CD playing problems as cracking, fas-forwarding, lack of bass...

Problem can be solved by cleaning the laser lense.

What you need

  1. Onkyo R-21 Laser Cleaning, Remove plug and cover: step 1, image 1 of 3 Onkyo R-21 Laser Cleaning, Remove plug and cover: step 1, image 2 of 3 Onkyo R-21 Laser Cleaning, Remove plug and cover: step 1, image 3 of 3

    • Remove the data cable from the amplifier by pulling during pressing the plug on both sides

    • Remove the 4 crews on the sides and the 3 screws on the back to remove the cover

    Edit

  3. Onkyo R-21 Laser Cleaning: step 2, image 1 of 3 Onkyo R-21 Laser Cleaning: step 2, image 2 of 3 Onkyo R-21 Laser Cleaning: step 2, image 3 of 3

    • The laser is located under the laser protection shield

    • You can move it closer by turning the white gear to get better access to clean it

    Edit

  4. Onkyo R-21 Laser Cleaning, Clean the lense: step 3, image 1 of 3 Onkyo R-21 Laser Cleaning, Clean the lense: step 3, image 2 of 3 Onkyo R-21 Laser Cleaning, Clean the lense: step 3, image 3 of 3
    Tool used on this step:
    Microfiber Cleaning Cloths
    $3.99
    Buy

    • Take a microfiber cloth or any clean cloth which is lint-free

    • Wrap it around a flat screwdriver and soak it with high-percentage cleaning alcohol. I used 80% alcohol and it worked fine

    • Clean gently and carefully the lense

    • Turn the laser back to its standard position with the gearwheel

    Edit
Conclusion

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

Author

with 3 other contributors

Chris Müller

Member since: 09/25/18

367 Reputation

3 Guides authored

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