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Sony WH-CH720N Charging Port Replacement

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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.

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  1. Sony WH-CH720N Charging Port Replacement, Earmuff: crwdns2935265:01crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

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

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  2. Sony WH-CH720N Charging Port Replacement: crwdns2935265:02crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Sony WH-CH720N Charging Port Replacement: crwdns2935265:02crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Sony WH-CH720N Charging Port Replacement: crwdns2935265:02crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • 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: crwdns2935265:03crwdnd2935265:01crwdnd2935265:02crwdne2935265:0 Sony WH-CH720N Charging Port Replacement, Charging Port: crwdns2935265:03crwdnd2935265:02crwdnd2935265:02crwdne2935265:0

    • 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: crwdns2935265:04crwdnd2935265:01crwdnd2935265:03crwdne2935265:0 Sony WH-CH720N Charging Port Replacement: crwdns2935265:04crwdnd2935265:02crwdnd2935265:03crwdne2935265:0 Sony WH-CH720N Charging Port Replacement: crwdns2935265:04crwdnd2935265:03crwdnd2935265:03crwdne2935265:0

    • 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: crwdns2935265:05crwdnd2935265:01crwdnd2935265:01crwdne2935265:0

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

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Charlie Gidcumb

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WCU-VIRTUE-S24S1G2

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