Repair Portable Speaker PA15B

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warwick

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Aug 18, 2024
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Salt Rock
Please help with repair advice.

The moment I turn the volume up on this I get a loud hissing and crackling. The music sound still comes through but is as loud as the hissing and crackling.

I have disconnected the power to the MP3 player module and the hissing and crackling continues.

It also happens whether connected to a battery or not, or to mains or not, and while charging or not.

I’ve got two videos that describe the issue:
https://share.icloud.com/photos/07b2DoMCdCz38Ju7rL50AuWcQ
https://share.icloud.com/photos/07aAAKMGlK96ymp96UAKT2QLA

Please help me with any pointers where to start.

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