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Issue with High frequency on JBL EON 315

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  • Issue with High frequency on JBL EON 315

    Hello,

    further recommandation I start a new thread !
    I have a pair of JBL EON315. One has suddenly lost most of the high frequency part of the spectrum. I have tested the loudspeaker (by exchanging the front panel) and they work fine.

    I hence think it is related to the internal Class D amp. I have seen on a thread on the forum the electrical schematics and people having issues (no sound at all) but I don't easily find anything on the board itself.

    Would you have some basic recommandation of test to do or component to check before going to a repair center ? The board is sold in official shops..at the price I paid for the whole UNIT !

    Regards and thanks for your help
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