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SONY WH-CH700N bluetooth headphones USB charging port Replacement

What you need

  1. SONY WH-CH700N bluetooth headphones USB charging port Replacement, Remove the foam pad: step 1, image 1 of 3 SONY WH-CH700N bluetooth headphones USB charging port Replacement, Remove the foam pad: step 1, image 2 of 3 SONY WH-CH700N bluetooth headphones USB charging port Replacement, Remove the foam pad: step 1, image 3 of 3

    • Remove the foam pad by pulling up on the foam until it clears the groove.

    • Working around the foam, carefully slip it off to reveal the screws.

    Edit

  2. SONY WH-CH700N bluetooth headphones USB charging port Replacement, Open the headphones: step 2, image 1 of 3 SONY WH-CH700N bluetooth headphones USB charging port Replacement, Open the headphones: step 2, image 2 of 3 SONY WH-CH700N bluetooth headphones USB charging port Replacement, Open the headphones: step 2, image 3 of 3

    • Remove the 4 screws holding the speaker enclosure to the main body.

    • Do not fully lift off as the speaker is still connected to the board.

    Edit

  3. SONY WH-CH700N bluetooth headphones USB charging port Replacement, Remove the speaker (L) and desolder connections: step 3, image 1 of 3 SONY WH-CH700N bluetooth headphones USB charging port Replacement, Remove the speaker (L) and desolder connections: step 3, image 2 of 3 SONY WH-CH700N bluetooth headphones USB charging port Replacement, Remove the speaker (L) and desolder connections: step 3, image 3 of 3

    • Desolder the speaker to fully remove it.

    • Desolder the mic and speaker conncetions

    • Desolder the battery connector.

    Edit

  5. SONY WH-CH700N bluetooth headphones USB charging port Replacement, Remove the the board: step 4, image 1 of 3 SONY WH-CH700N bluetooth headphones USB charging port Replacement, Remove the the board: step 4, image 2 of 3 SONY WH-CH700N bluetooth headphones USB charging port Replacement, Remove the the board: step 4, image 3 of 3

    • Remove one Phillips screw, holding down the board

    • The board is also held in by clips, so use a prying tool or just fingers to pull upp on the board to release it.

    Edit

  6. SONY WH-CH700N bluetooth headphones USB charging port Replacement, Board view: step 5, image 1 of 3 SONY WH-CH700N bluetooth headphones USB charging port Replacement, Board view: step 5, image 2 of 3 SONY WH-CH700N bluetooth headphones USB charging port Replacement, Board view: step 5, image 3 of 3

    • You successfully removed the main board.

    • You can see the damaged USB connector

    Edit

  7. SONY WH-CH700N bluetooth headphones USB charging port Replacement, Apply protective tape: step 6, image 1 of 2 SONY WH-CH700N bluetooth headphones USB charging port Replacement, Apply protective tape: step 6, image 2 of 2

    • Apply Kapton tape to ensure protect the plastic components like, switches and the jack conncetor.

    Edit

  8. SONY WH-CH700N bluetooth headphones USB charging port Replacement, Apply flux: step 7, image 1 of 2 SONY WH-CH700N bluetooth headphones USB charging port Replacement, Apply flux: step 7, image 2 of 2

    • Apply flux to the top pins and the mounting pins (underside) to help solder flow.

    Edit

  9. SONY WH-CH700N bluetooth headphones USB charging port Replacement, Desolder the USB connector: step 8, image 1 of 2 SONY WH-CH700N bluetooth headphones USB charging port Replacement, Desolder the USB connector: step 8, image 2 of 2
    Tool used on this step:
    Tweezers
    $4.99
    Buy

    • Grab the connector with tweezers and apply heat from the mounting pins' side (bottom).

    • Be careful with the hot air station and position the board in a way that you do not burn the jack connector while heating up the port.

    • 320 degrees (Celsius) with 20-30% airflow is more than enough to get the connector off.

    • Clean the pads with a solder wick.

    Edit
Conclusion

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

4 other people completed this guide.

Author

with 2 other contributors

honakrisi

Member since: 01/28/20

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3 Comments

Very good tutorial, I'm looking for the WH-CH700N board, but cannot find any retailer for buying it. Do anyone knows any online shop or service that is selling it? Thanks

Juan A - Reply

thank you for an excellent guide. I am a volunteer at our local repair cafe where we try to repair things, free of charge, for residents and so avoid the item ending up in landfill. I have had a pair of the Sony WH -CH700N headphones in and need to replace the charging port. Sony will not supply. where can I get the right one? do you have a prat number? any help appreciated. many thanks Roger H

roger hutton - Reply

Hi @rogerhutton

I found these to be a suitable replacement and fairly inexpensive:

https://www.ebay.co.uk/itm/132334638219

https://www.ebay.co.uk/itm/142512274587

Hope it helps!

Kris

honakrisi - Reply

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