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ソニーのワイヤレスノイズキャンセリングオーバーイヤーヘッドフォンWH-1000XM3の修理・分解情報です。

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Headphones found in the Dirt, not turning on or charging wirelessly.

So, the other day I found a pair of WH-1000XM3's outside. It looked like they got tossed over a fence and just left tbh. I spent the past few days rigorously cleaning the circuits, removing any corrosion I could find and basically dousing them in alcohol and contact spray. I made sure there are no corroded points touching each other anywhere.

Now it became time to test and lo-and-behold, they work Great wired. Sound at full volume from both sides.

Now here's the problem: I can't get them to turn on without being wired to my phone via AUX cable

At all.

Plugging them in, the charging LED also doesn't light up. Pressing the power button doesn't do anything, and pressing the NC button doesn't either. Haven't tested the touch interface yet. The only thing that happens without AUX cable, is the right side (where the charging port is) making a faint noise, while plugged in. Nothing on the left. When plugging into my PC, I get a Windows notification. I did replace the battery from the beginning, as it looked really bad after opening them up.

I have been checking some connections with a Multimeter to check for faulty wires, but without disassembling it ENTIRELY, it's kinda hard to find which cable is going where on the respective sides.

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Based on what you've described, it sounds like the headphones are not turning on or charging wirelessly.

Here are some simple steps you can try to fix the issue:

  1. Make sure the battery is properly connected and charged. Check the battery connections and try charging the headphones with a different cable or charger.
  2. Check the power management circuitry and connections. If you're comfortable with it, you can try disassembling the headphones further to check for any faulty components or connections.
  3. Try reinstalling the firmware for the headphones to see if that helps. Look for any firmware updates online and follow the instructions to install them.

If none of these steps work, you may want to consider bringing the headphones to a professional repair service for further diagnosis and repair.

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Pommes time to completely disassemble your headphones. You cannot evaluate the wiring, components like the antenna and all IC's without doing so. It will also allow you to clean the rest of it. After that post some pictures of everything with your QUESTION. That way we can see what you see. iFixitでの質問に画像を追加する方法 Use something like this video as a general guide for this.

Of course, what works even better is the Sony SM for this Sony WH1000XM3

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Pommes さん、ありがとうございました!
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