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Bose QuietComfort 35 Battery Replacement

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  1. Bose QuietComfort 35 Battery Replacement, Battery: 1 단계, 이미지 1/3 Bose QuietComfort 35 Battery Replacement, Battery: 1 단계, 이미지 2/3 Bose QuietComfort 35 Battery Replacement, Battery: 1 단계, 이미지 3/3
    • The earcup cushions of the Bose QC 35 are held in place by small plastic clips.

    • Grab the cushion of the left earcup and gently pull it to the center of the earcup to free it from the plastic clip holding it in place.

    • Repeat this procedure for all clips that hold the cushion in place.

    • Remove the left earcup cushion.

  2. Bose QuietComfort 35 Battery Replacement: 2 단계, 이미지 1/3 Bose QuietComfort 35 Battery Replacement: 2 단계, 이미지 2/3 Bose QuietComfort 35 Battery Replacement: 2 단계, 이미지 3/3
    • Carefully peel off the protective cloth which covers the inside of the earcup.

    • The protective cloth is held in place by mild adhesive. If the cloth starts to rip during the removal, apply an heated iOpener to the cloth or use a hairdryer/heatgun at the lowest setting to loosen the adhesive.

  3. Bose QuietComfort 35 Battery Replacement: 3 단계, 이미지 1/1
    • Remove the two Phillips #00 screws (6.2 mm length).

  4. Bose QuietComfort 35 Battery Replacement: 4 단계, 이미지 1/3 Bose QuietComfort 35 Battery Replacement: 4 단계, 이미지 2/3 Bose QuietComfort 35 Battery Replacement: 4 단계, 이미지 3/3
    • Turn the headphones over.

    • Insert an opening pick into the gap between the plastic cover and the earcup frame.

    • Use the opening pick to pry up the plastic cover of the left earcup.

    • Remove the plastic cover.

  5. Bose QuietComfort 35 Battery Replacement: 5 단계, 이미지 1/3 Bose QuietComfort 35 Battery Replacement: 5 단계, 이미지 2/3 Bose QuietComfort 35 Battery Replacement: 5 단계, 이미지 3/3
    • To avoid melting the speaker diaphragm by exposing it to too much heat in the next steps we advise preparing a protection.

    • Cut a cardboard as shown in the pictures so it covers everything inside the earcup but the battery cover.

    • Place the cover inside the left earcup.

  6. Bose QuietComfort 35 Battery Replacement: 6 단계, 이미지 1/1
    • Even with a heat protector in use we highly recommend to start with low heat to loosen the adhesive of the battery cover and to raise it slowly (maximum of 100°C) if the adhesive doesn't soften.

    • Do not aim your heat gun vertically onto the battery cover but only in a flat angle facing the straight edge of it.

    • Use your heat gun to loosen the adhesive underneath the edge of the battery cover.

  7. Bose QuietComfort 35 Battery Replacement: 7 단계, 이미지 1/2 Bose QuietComfort 35 Battery Replacement: 7 단계, 이미지 2/2
    • Avoid puncturing the battery during the following process. Do not use metal tools or excessive force when working near the battery.

    • Insert the edge of an opening tool underneath the bottom corner of the battery cover. This requires some force.

  8. Bose QuietComfort 35 Battery Replacement: 8 단계, 이미지 1/2 Bose QuietComfort 35 Battery Replacement: 8 단계, 이미지 2/2
    • Slide the opening tool along the edge of the battery cover to loosen the adhesive underneath and create a small gap.

  9. Bose QuietComfort 35 Battery Replacement: 9 단계, 이미지 1/3 Bose QuietComfort 35 Battery Replacement: 9 단계, 이미지 2/3 Bose QuietComfort 35 Battery Replacement: 9 단계, 이미지 3/3
    • Insert the flat end of a spudger between the battery cover and the battery.

    • Avoid to use the spudger as a lever when working close to the battery.

    • Use to spudger to carefully separate the plastic cover from the earcup. Avoid excessive force to the battery.

  10. Bose QuietComfort 35 Battery Replacement: 10 단계, 이미지 1/2 Bose QuietComfort 35 Battery Replacement: 10 단계, 이미지 2/2
    • Remove the plastic cover from the left earpiece.

  11. Bose QuietComfort 35 Battery Replacement: 11 단계, 이미지 1/1
    • In the next step you will desolder the battery cables.

    • Use this picture as reference for resoldering during re-assembly or make your own photo if the cable order differs in your model.

  12. Bose QuietComfort 35 Battery Replacement: 12 단계, 이미지 1/3 Bose QuietComfort 35 Battery Replacement: 12 단계, 이미지 2/3 Bose QuietComfort 35 Battery Replacement: 12 단계, 이미지 3/3
    • Use a soldering iron to desolder the three battery cables from the circuitboard.

  13. Bose QuietComfort 35 Battery Replacement: 13 단계, 이미지 1/3 Bose QuietComfort 35 Battery Replacement: 13 단계, 이미지 2/3 Bose QuietComfort 35 Battery Replacement: 13 단계, 이미지 3/3
    • Try not to deform or puncture the battery during the following removal process. Soft-shell lithium-ion batteries can leak dangerous chemicals, catch fire, or even explode if damaged.

    • Insert the flat end of a spudger between the battery and the battery well.

    • Carefully pry the battery out of its recess.

    • You might want to change the position of the spudger a couple of times during this process to avoid excessive force to a single point of the battery.

  14. Bose QuietComfort 35 Battery Replacement: 14 단계, 이미지 1/3 Bose QuietComfort 35 Battery Replacement: 14 단계, 이미지 2/3 Bose QuietComfort 35 Battery Replacement: 14 단계, 이미지 3/3
    • Remove the battery.

    • Do not reinstall a damaged or deformed battery, as doing so is a potential safety hazard. Replace it with a new battery.

    • Before installing a new battery remove any remaining adhesive from the headphones, and clean the glued areas with isopropyl alcohol and a lint-free cloth.

    • Make sure the battery cables are long enough to solder them onto the circuit board before installing new adhesive into the battery well.

결론

If possible, turn on your device and test your repair before installing new adhesive and resealing.

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

For optimal performance, calibrate your newly installed battery: Charge it to 100%, and keep charging it for at least two more hours. Then, use it until it shuts off due to low battery. Finally, charge it uninterrupted to 100%

Take your e-waste to an R2 or e-Stewards certified recycler.

Repair didn’t go as planned? Check out our Answers community for troubleshooting help.

다른 57명이 해당 안내서를 완성하였습니다.

Dominik Schnabelrauch

회원 가입일: 11/23/16

201,012 평판

안내서 682개 작성하였습니다

iFixit iFixit 회원

Staff

136 회원들

안내서 16,560개 작성하였습니다

댓글 40개

спасибо ! будет полезно на будующее

Komar - 답글

Hallo, tolle Beschreibung. Vielen Dank dafür.

kann man bei den Bose 700 NC auch den Akku tauschen ?

Würde mich sehr freuen, wenn das so wäre. Hat da jemand evtl bereits schon Erfahrungen gemacht. Könnte mir vorstellen, dass viele 700 NC jetzt auch in das Alter kommen, in dem der Akku schwach wird.

Jens Nußbaum - 답글

Fk Bose for making it so difficult! They all care about the environment so much, don’t they?!

Batteries should be easily replaceable by any customer by themselves! Ear pads as well. Bose makes it harder so you would throw away your $300 headphones when battery dies. So much waste, plastic and other harmful stuff.

EU mandated to use USB-C on all devices to reduce the waste. Batteries are more harmful. They should make it mandatory for batteries to be user replaceable on tech like headphones. Manufacturers are making disposable headphones in purpose, obviously. Like AirPods and other similar earbuds. 18-24 months and you’re forced to throw them away. They should offer cheap battery replacement for AirPods and like earbuds as well. Maybe trade in deals. $70-$90 a bud isn’t cheap replacement.

Companies are lying about the love for the environment to make us buy more and add more harmful waste to it.

Usern@me - 답글

Actually, you can buy the earpads separately, even from BOSE themselves. I’ve replaced mine 3 or 4 times already and it’s pretty straight forward

Florian Wendelborn -

Thanks. Replaced my bose qc35 headphone battery. Works perfectly!

Thomas Maher - 답글

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