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Sony WH-CH720N Charging Port Replacement

Introduction

This repair guide details how to replace the USB-C charging port on the left side of the Sony WH-CH720N. This is necessary in the event of bending/ breaking the charging port, or failure to charge.

Caution when using soldering iron as the end is HOT.

What you need

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

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

    Edit

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

    • Remove the earmuff.

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

    Edit

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

    • Use a Philips #00 screwdriver to remove the four 5 mm screws from the left driver housing.

    Edit

  5. Sony WH-CH720N Charging Port Replacement: step 4, image 1 of 3 Sony WH-CH720N Charging Port Replacement: step 4, image 2 of 3 Sony WH-CH720N Charging Port Replacement: step 4, image 3 of 3

    • Using the same bit, remove the two 3 mm screws from the circuit board.

    • Gently remove the circuit board.

    Edit

  6. Sony WH-CH720N Charging Port Replacement: step 5, image 1 of 1

    • Desolder the four joints holding the USB-C charging port there.

    • Pull the charging port off.

    Edit

    • Solder the new charging port onto the board.

    Edit
Conclusion

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

One other person completed this guide.

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