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fix rattling sound

Introduction

Use this guide to fix the rattling sound that appears with time or if earbuds are dropped to often.

What you need

  1. fix rattling sound, Heating up the lid: step 1, image 1 of 1

    • Heat up the lid by leaving the earbud upside down on a hotplate at ~80°C for ~1min. A 3d printers hotbed works well for this.

    • A heat gun should also work as well.

    Edit

  2. fix rattling sound, Breaking the seal: step 2, image 1 of 1

    • The earbuds are glued shut.

    • Put some cloth around the earbud and put it in a vice like shown.

    • Pliers might work too if you don't have a vice but it's not recommended.

    • Slowly close the vice until there is a cracking sound or a gap forms in the seam.

    Edit

  3. fix rattling sound, Removing the lid: step 3, image 1 of 1

    • Heat up the lid again before continuing.

    • Separate the 2 halfs using one of the opening picks.

    • Make sure not to press the pick more then ~1mm into the case to avoid damaging anything on the PCB.

    • Slowly lift up the outer half after cracking the seal around the whole earbud. Slowly pull them apart as there is some flexible adhesive on 2 internal pegs that takes a bit of time to "give up".

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  4. fix rattling sound, Secure the mic cover: step 4, image 1 of 1

    • The marked mic cover tends to easily get lost. It's best to take it of and store it with the top half until reassembly.

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  5. fix rattling sound, Scrape away old glue: step 5, image 1 of 1

    • Try to remove as much of the hard, clear glue on the outside edge to make sure the buds close nicely when reassembling them.

    • A precision rotary tool with a fine abrasive tip and/or a scalpel works best.

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  7. fix rattling sound, Remove old glue: step 6, image 1 of 1

    • Try to remove as much of the white glue as possible using a scalpel and/or tweezers.

    • Putting the lid back on the hotplate or a bit of Isopropanol can help softening it.

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  8. Edit

  9. fix rattling sound, Remove the heat stake: step 8, image 1 of 2 fix rattling sound, Remove the heat stake: step 8, image 2 of 2

    • The PCB is being held by 3 pins on of which is heat staked (the marked one).

    • Carefully remove it using flush cutters or scalpel.

    • Be careful not to short circuit anything.

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  10. fix rattling sound, Lift the PCB: step 9, image 1 of 2 fix rattling sound, Lift the PCB: step 9, image 2 of 2

    • Carefully lift the PCB.

    • Do not use a metal spudger or similar to avoid a short circuit!

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  11. fix rattling sound, Lift the battery up: step 10, image 1 of 2 fix rattling sound, Lift the battery up: step 10, image 2 of 2

    • Separate the battery from the PCB.

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  12. fix rattling sound, Apply super glue: step 11, image 1 of 1

    • Apply super glue on top of the marked chips to stick down the battery.

    • Put the PCB back in place for a few seconds to give the adhesive time to pin the battery in the right place.

    • Lift it up again and press the battery softly on to the PCB to maximize the area that the glue can stick to.

    Edit

  13. fix rattling sound, Add B7000 (optional): step 12, image 1 of 1

    • The battery often rests again the front plastic pin when assembled.

    • For additional stability and protection of the battery a bit of flexible adhesive like B7000 can be applied in the marked area.

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  14. fix rattling sound, Glue down the PCB: step 13, image 1 of 2 fix rattling sound, Glue down the PCB: step 13, image 2 of 2

    • Put a bit of super glue on the pin that was cut of at the beginning of this guide (green marker) to secure the PCB again.

    • Optionally put some on the other 2 pins marked in yellow too.

    Edit

Author

with 1 other contributor

Byte Hoarder

Member since: 07/03/25

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