crwdns2915892:0crwdne2915892:0
This guide shows how to open the earbuds. It's a prerequisite step to fixing any issues within them.
This guide will use a mix of pictures of both earbuds. They are pretty much mirrored images of each other and there isn't anything specific to one of the sides. So just follow the steps with the one(s) that is/are broken.
crwdns2942213:0crwdne2942213:0
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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.
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A heat gun should also work as well.
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The earbuds are glued shut.
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Put some cloth around the earbud and put it in a vice like shown.
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Pliers might work too if you don't have a vice but it's not recommended.
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Slowly close the vice until there is a cracking sound or a gap forms in the seam.
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Heat up the lid again before continuing.
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Separate the 2 halfs using one of the opening picks.
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Make sure not to press the pick more then ~1mm into the case to avoid damaging anything on the PCB.
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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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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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Try to remove as much of the hard, clear glue on the outside edge to make sure the buds close nicely when reassembling them.
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A precision rotary tool with a fine abrasive tip and/or a scalpel works best.
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Try to remove as much of the white glue as possible using a scalpel and/or tweezers.
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Putting the lid back on the hotplate or a bit of Isopropanol can help softening it.
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Jump into any of the other guides showing you how to fix specific problems:
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