How to fix usb port on Sylvania SP333? & ways to listen to music

Hi @brandyhare ,

According to the manual it has a 3.5mm aux jack so you should be able to run a stereo audio cable, (which has a 3.5mm plug on the end of it, perhaps both ends depending on the source's connector type) from your music source (usually the headphone socket of a device e.g. a mobile phone perhaps or a mp3 player) and plug it into the speaker to get your music going. Not as portable but still workable

To replace the battery and reconnect/replace the charge port you would have to open the speaker so that it could be inspected to :

a) get the battery information i.e. dimension, voltage and capacity (printed on the battery)

b) ascertain what is wrong with the USB charge port.

It may be easier to repair/replace the USB port than to devise alternate charging methods as it would involve finding out about the battery management system that is in place in the speaker. When charging Lithium batteries care needs to be taken to ensure that it is done correctly and that is already in the circuit design. It could be done by using a different connector type and wiring it instead of the USB connector but that may have to wait until it is known what space etc is available inside the speaker.

I couldn't find a service manual or any teardown videos for your speaker. The closest that I found is this one for a SP262 model which may or may not be of some help.

If you do manage to get it open, take some close up pictures of the information that is printed on the battery and also of the USB port on the pcb, and post back here.

Here's how to do that.

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I'm sure that someone will then be able to give more detailed information to help you further