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Sony WH-CH720N Charging Port Replacement

Introducción

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.

Qué necesitas

  1. Sony WH-CH720N Charging Port Replacement, Earmuff: paso 1, imagen 1 de 1

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

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  2. Sony WH-CH720N Charging Port Replacement: paso 2, imagen 1 de 3 Sony WH-CH720N Charging Port Replacement: paso 2, imagen 2 de 3 Sony WH-CH720N Charging Port Replacement: paso 2, imagen 3 de 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 Charging Port Replacement, Charging Port: paso 3, imagen 1 de 2 Sony WH-CH720N Charging Port Replacement, Charging Port: paso 3, imagen 2 de 2

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

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  5. Sony WH-CH720N Charging Port Replacement: paso 4, imagen 1 de 3 Sony WH-CH720N Charging Port Replacement: paso 4, imagen 2 de 3 Sony WH-CH720N Charging Port Replacement: paso 4, imagen 3 de 3

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

    • Gently remove the circuit board.

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  6. Sony WH-CH720N Charging Port Replacement: paso 5, imagen 1 de 1

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

    • Pull the charging port off.

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    • Solder the new charging port onto the board.

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Conclusión

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

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