wrong polarity charger messed up my JBL flip

I replaced the charging pin of some other charger of same current and voltage rating.

But didn't think about the polarity . when i started charging , it just went off. Now, it

only powers up when plugged in charging (with the genuine charger) but doesn't

produce sound . Only the control panel lights up but the speakers do get connected.

I opened it up and saw smd (028) burned up. Can anyone please tell me how to fix it or

what should i do ?

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