Right side no audio with ANC on

Question

Bose QuietComfort 25

Bose's consumer range of active noise-cancelling headphones are called "QuietComfort".

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Symptoms: With ANC on there is no sound in the right earphone.

It also seems like right side audio may be slightly quieter with ANC off, but full sound is delivered.

Tried: Replace battery

Loose connection? Bad motherboard?

These things are unnecessarily annoying to tear down.

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HelloMacOS @hellomacos Rep: 25.9k 205 20 38 · Answer 1 · 2022-09-05T11:07:02-07:00

Rep: 25.9k

205

20

38

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Hi

Unfortunately you might not be far off the answer

It could be a bad board ,loose connection or a torn cable

Have you also looked at the battery connections to check for corrosion?

What I would do is take them apart and check everything for any damage or defects

If you can’t find any I would replace the main board and work from there

Hopefully this helps

Any questions please ask

Thanks:-)

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