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Sony WH-CH720N Volume & Noise Cancelling Control Button Replacement

Introduction

This repair guide will detail how to access and replace the volume and noise cancelling control buttons on the right side of the Sony WH-CH720N. This is necessary in the event the buttons crack, break, or fail to function during normal use.

What you need

  1. Sony WH-CH720N Volume & Noise Cancelling Control Button Replacement, Battery: step 1, image 1 of 3 Sony WH-CH720N Volume & Noise Cancelling Control Button Replacement, Battery: step 1, image 2 of 3 Sony WH-CH720N Volume & Noise Cancelling Control Button Replacement, Battery: step 1, image 3 of 3

    • Remove the four 5 mm screws in the right using a Phillips #00 screwdriver.

    • Remove the speaker panel to reveal the battery.

    Edit

  2. Sony WH-CH720N Volume & Noise Cancelling Control Button Replacement: step 2, image 1 of 2 Sony WH-CH720N Volume & Noise Cancelling Control Button Replacement: step 2, image 2 of 2

    • Unplug the battery with tweezers

    Edit

  4. Sony WH-CH720N Volume & Noise Cancelling Control Button Replacement: step 3, image 1 of 3 Sony WH-CH720N Volume & Noise Cancelling Control Button Replacement: step 3, image 2 of 3 Sony WH-CH720N Volume & Noise Cancelling Control Button Replacement: step 3, image 3 of 3

    • Gently remove the battery from the device using the plastic spudger.

    Edit

  5. Sony WH-CH720N Volume & Noise Cancelling Control Button Replacement, Volume & Noise Cancelling Control Button: step 4, image 1 of 3 Sony WH-CH720N Volume & Noise Cancelling Control Button Replacement, Volume & Noise Cancelling Control Button: step 4, image 2 of 3 Sony WH-CH720N Volume & Noise Cancelling Control Button Replacement, Volume & Noise Cancelling Control Button: step 4, image 3 of 3

    • Unscrew the two 3 mm screws retaining the circuit board to the headphones.

    • Carefully remove the circuit board with the plastic prying tool.

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  6. Sony WH-CH720N Volume & Noise Cancelling Control Button Replacement: step 5, image 1 of 3 Sony WH-CH720N Volume & Noise Cancelling Control Button Replacement: step 5, image 2 of 3 Sony WH-CH720N Volume & Noise Cancelling Control Button Replacement: step 5, image 3 of 3

    • Next, use the prying tool to remove the buttons.

    Edit

  7. Sony WH-CH720N Volume & Noise Cancelling Control Button Replacement: step 6, image 1 of 1

    • Remove buttons and replace.

    Edit
Conclusion

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

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