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Introduction

Audio buttons not working? This guide will help you replace the audio/USB port of the Bose SoundLink Mini II. In order to replace these parts make sure to have the necessary tools that are required and the replacement parts. Use caution when working with a charged battery when removing the circuit boards.

Note: This procedure requires removing and reinstalling the battery, which requires the use of a soldering iron and/or a lot of careful disassembly.

  1. Bose SoundLink Mini II Audio Port/USB Replacement, Battery: step 1, image 1 of 2 Bose SoundLink Mini II Audio Port/USB Replacement, Battery: step 1, image 2 of 2
    • Flip the speaker over onto its back.

  2. Bose SoundLink Mini II Audio Port/USB Replacement: step 2, image 1 of 2 Bose SoundLink Mini II Audio Port/USB Replacement: step 2, image 2 of 2
    • Gently remove the rubber base from speaker by pulling around the edges.

  3. Bose SoundLink Mini II Audio Port/USB Replacement: step 3, image 1 of 2 Bose SoundLink Mini II Audio Port/USB Replacement: step 3, image 2 of 2
    • Remove the four 6mm T9 Torx bit screws from the corners of the battery.

  4. Bose SoundLink Mini II Audio Port/USB Replacement: step 4, image 1 of 3 Bose SoundLink Mini II Audio Port/USB Replacement: step 4, image 2 of 3 Bose SoundLink Mini II Audio Port/USB Replacement: step 4, image 3 of 3
    • Carefully lift the battery from the side nearest the four gold contact pins, but don't try to fully remove it yet.

    • At this point, the battery remains connected via four wires to the power supply board.

    • Carefully desolder the four wires from the power supply board in order to completely detach the battery. There is very little room for the soldering iron without damaging the case or the board; you may want to remove the board first.

    • For help with soldering, see the soldering guide.

    • Alternatively, you may remove the battery and power supply board together, without any soldering, but access requires some additional disassembly while carefully leaving the battery connected via the wires the entire time.

  5. Bose SoundLink Mini II Audio Port/USB Replacement, Audio Port/USB Circuit Board: step 5, image 1 of 1
    • With the battery removed the button board will now be visible.

  6. Bose SoundLink Mini II Audio Port/USB Replacement: step 6, image 1 of 3 Bose SoundLink Mini II Audio Port/USB Replacement: step 6, image 2 of 3 Bose SoundLink Mini II Audio Port/USB Replacement: step 6, image 3 of 3
    • Remove the rear grille using the metal spudger.

    • The grille bends and deforms easily.

  7. Bose SoundLink Mini II Audio Port/USB Replacement: step 7, image 1 of 3 Bose SoundLink Mini II Audio Port/USB Replacement: step 7, image 2 of 3 Bose SoundLink Mini II Audio Port/USB Replacement: step 7, image 3 of 3
    • Remove the eight 9mm T9 Torx screws from the circuit board and back panel.

    • Use a metal spudger to release the ribbon cable connector and remove cable from the audio/USB board.

Conclusion

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

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