Sony WH-1000XM3 Headphones Charging but Not Turning On Repair

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Revision as of 02:12, 23 January 2024 by KevinShort (talk | contribs) (Created page with "{{stub}} {{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== How to fix Sony WH-1000XM3 headphones that will not turn on. thumb|Example image (Figure 1) -- No image yet. Help expand this page by uploading it! ==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 betwee...")
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Sony WH-1000XM3 Headphones Charging but Not Turning On Repair
Device
Affects part(s)
Needs equipment
Difficulty
Type


Problem description

How to fix Sony WH-1000XM3 headphones that will not turn on.

Example image (Figure 1) -- No image yet. Help expand this page by uploading it!

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.
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