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JBL Tune 720BT Charging Port Replacement

Introduction

If your JBL Tune 720BT headphones no longer charge, charge intermittently, or the charging cable feels loose when connected, the charging port may be damaged or worn out. This guide will walk you through the process of removing the internal components, accessing the charging port, and replacing it so your headphones can function normally again.

This repair requires opening the ear cups, disconnecting the battery, and using a soldering iron to remove and install delicate electronic components. Work slowly, use the correct tools, and handle all cables and circuit boards with care to avoid damage.

With patience and proper technique, you can restore charging capability to your JBL Tune 720BT headphones.

What you need

  1. JBL Tune 720BT Charging Port Replacement, Charging Port: step 1, image 1 of 1

    • Use the Jimmy tool to pry off the back cover of the right ear cup. Apply gentle, steady pressure to release the plastic clips securing the cover.

    • A slight amount of force will be needed to leverage the back off of its clips.

    Edit

  2. JBL Tune 720BT Charging Port Replacement: step 2, image 1 of 2 JBL Tune 720BT Charging Port Replacement: step 2, image 2 of 2

    • Remove the screws securing the internal board while holding the board in place. Lift off the inside cover to expose the internal components.

    Edit

  4. JBL Tune 720BT Charging Port Replacement: step 3, image 1 of 2 JBL Tune 720BT Charging Port Replacement: step 3, image 2 of 2

    • Use the Jimmy tool to remove the back cover of the left ear cup to reveal the battery. Disconnect the battery by gently pulling the red, white, and black wires out of their socket.

    • Do not pull on the wires themselves grip the connector to avoid tearing the cables from the board.

    Edit

  5. JBL Tune 720BT Charging Port Replacement: step 4, image 1 of 2 JBL Tune 720BT Charging Port Replacement: step 4, image 2 of 2

    • Back on the right side, gently flip the board to reveal the charging port.

    • Be careful to ensure you do not over extend the wires.

    • Set the board onto a comfortable position for the next step.

    Edit

  6. JBL Tune 720BT Charging Port Replacement: step 5, image 1 of 1

    • Use a soldering iron to heat and remove the old port.

    • Solder the new charging port to the soldering points on the board. When you are done soldering, make sure to clean any leftover solder.

    Edit
Conclusion

To reassemble your device, follow these steps in reverse order. Make sure all connectors are secure and that no cables are pinched before snapping the covers back into place.

Author

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brug

Member since: 04/07/25

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UMass Dartmouth, Team 1-2, Rioux Spring 2025 Member of UMass Dartmouth, Team 1-2, Rioux Spring 2025

UMASSD-RIOUX-S25S1G2

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