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| Sony WH-1000XM3 Headphones Charging but Not Turning On Repair | |
|---|---|
| Device | WH-1000XM3 |
| Affects part(s) | Main board |
| Needs equipment | screwdrivers, pry tool, soldering equipment |
| Difficulty | ◉◉◉◌ Hard |
| Type | Soldering |
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Problem description
How to fix Sony WH-1000XM3 headphones that will not turn on.
Symptoms
- Will not power on but appears to charge (red charging light comes on and stays lit).
Solution
- Use a multimeter to check the battery. Battery should read between 3.7v and 4.2v. If it's outside of this range, replace battery with another one.
- Check connections, check unit for signs of water damage.
- Assuming all the above stuff is good, you have a dead L_MAIN board, replace L_MAIN board. The service manual says you can't but you can. Just make sure you solder all wires in the correct order.