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Sony WH-CH720N Speaker Replacement

Introduction

This repair guide will detail how to replace the speakers on the Sony WH-CH720. This repair guide uses the right speaker, but the process is the same for both sides. This is necessary in the event the speakers stop working entirely or the audio begins cutting out when using the headphones.

Take caution in using the soldering iron and heat gun. Ensure the device is powered off for safety.

What you need

  1. Sony WH-CH720N Speaker Replacement, Earmuff: step 1, image 1 of 1

    • Place the headphones down on a table, and orient them in this way.

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  2. Sony WH-CH720N Speaker Replacement: step 2, image 1 of 3 Sony WH-CH720N Speaker Replacement: step 2, image 2 of 3 Sony WH-CH720N Speaker Replacement: step 2, image 3 of 3

    • Remove the earmuff.

    • Check introductions to ensure you remove the correct side earmuff for each repair guide!

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  4. Sony WH-CH720N Speaker Replacement, Speaker: step 3, image 1 of 2 Sony WH-CH720N Speaker Replacement, Speaker: step 3, image 2 of 2

    • Remove the four 5 mm screws holding the speaker housing onto the headphones.

    • Move the now detached speaker housing to the side, being careful of the wires.

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  5. Sony WH-CH720N Speaker Replacement: step 4, image 1 of 2 Sony WH-CH720N Speaker Replacement: step 4, image 2 of 2

    • On the backside of the speaker housing, remove the four 3 mm screws to detach the panel.

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  6. Sony WH-CH720N Speaker Replacement: step 5, image 1 of 3 Sony WH-CH720N Speaker Replacement: step 5, image 2 of 3 Sony WH-CH720N Speaker Replacement: step 5, image 3 of 3

    • With the speaker panel removed, desolder the wires connecting the speaker.

    • Use a heat gun to loosen the glue around the speaker inside the housing.

    • Finally, take the metal prying tool, and carefully remove the speaker.

    Edit
Conclusion

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

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