SONY WH-CH700N bluetooth headphones USB charging port Replacement

Written By: honakrisi
  • Comments: 4
SONY WH-CH700N bluetooth headphones USB charging port Replacement

Difficulty

Moderate

Steps

8

Time Required

30 minutes

Introduction

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    • 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.

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    • 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.

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    • Desolder the speaker to fully remove it.

    • Desolder the mic and speaker conncetions

    • Desolder the battery connector.

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    • 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.

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    • You successfully removed the main board.

    • You can see the damaged USB connector

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

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

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    • 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.

Conclusion

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

Author

honakrisi

Member since: 28/01/20

3730 Reputation

4 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 -

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 -

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 -

Thank you very much Kris. Ordered and fitted and a very happy resident to have them fixed at a cost of £2.50! Thank you again on his behalf and from the volunteers at the Dorking Repair cafe. all the best Roger H

roger hutton -