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Repair information, service guides, and replacement parts for Sony headphones.

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Linkbuds S battery replacement

Does the battery replacement require soldering or any difficult steps other than loosening the adhesive?

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In general, wireless headphones with rechargeable batteries are not consumer serviceable insofar as replacing batteries. However, any diyer capable of disassembling electronics may be able to remove and replace batteries. Most are soldered so soldering skills are needed. Once opened or already searched for replacement batteries, you'll find images of wires with or without connectors. With connectors, no soldering. Without, desoldering the two battery leads are necessary in order to solder in the replacement. If done without issues, you should be able to restore full function for longer headphone use.

@notbroken that's what I'm asking about, the WF-1000XM3 has just two screws, you pop it open, unscrew and put in the new batteries. I want to know if the LinkBuds S have a non-soldered battery (they are sealed for water proofing, but that's easier to undo than solder)

As far as I know in many modern electronic devices, such as smartphones and tablets, the battery is usually soldered or permanently attached to the internal components of the device. In such cases, battery replacement often requires advanced technical skills, including soldering and specialized tools.

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I found a very nice YouTube videos for its teardown. There is some adhesive but it doesnt require any soldering , take a look at it.

Although the video is in spanish its very straightforward

https://youtu.be/Q1RNX4Ooz2s?si=namvWSBk...

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Coming back to this, for the ones who do not know spanish, he mentioned that the heating gun was set to 200 degrees, he doesnt specify if its Fahrenheit or Celcius but Im assuming its celcius. Those more knowledgable with electronics and soldering, please verify if 200°C is too much and might melt soldering points please.

@claudiovas13295 It's most likely Fahrenheit, as 200°C is for sure to melt plastic and not just soften the adhesive. Solder will probably not melt either, unless Sony uses lead-based solder, which has a melting point at around 200°C, but I doubt it.

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i'm having the same issue, and although I was able to find the model of battery the linkbuds s use, I'm scared to open them up, cause I don't wanna mess with them, though I don't care about them being waterproof, I do care about them functioning.

The model of the battery is ZeniPower Z52H you can find a pair of them for about 15 bucks + shipping in aliexpress

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This might help, it's a teardown of both the case and the buds.

https://thewalkmanblog.blogspot.com/2022...

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Yeah, this is why i bought them, it's not a step-by-step video guide, but it's what made me think they are pretty repairable.

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I just open de right side to replace the battery. I messed up, the circuit split on the wrong side and now the earbud just not work

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Can confirm have just done the same thing. In the video the two parts come away much more easily. I wouldn't recommend trying this. I wouldn't recommend these headphones for such a short shelf life.

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Yes, you will need soldering. Replacing the battery in the LinkBuds S typically involves delicate steps that may require soldering. The process usually includes:

  • Opening the earbud case, which is often sealed with adhesive.
  • Removing the old battery, which may be soldered to the mainboard.
  • Soldering the new battery to the mainboard, if the battery is not equipped with a connector.
  • Re-sealing the earbud case after the replacement.

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I don't think it's soldered, but I won't mess with them yet before I absolutely need to

What is a good way to remove the adhesive?

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