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Electrovoice EV ZLX-12P Popping/ Cracking on power up/ down

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  • Electrovoice EV ZLX-12P Popping/ Cracking on power up/ down

    I have recently repaired a blown PSU on this powered speaker. It now powers up, and works normally AFTER a couple is seconds of Very Loud Pops/ cracks, even with volume fully down. Also when powered off the Speaker makes similar large cracking noises.

    1. Has anyone experienced this fault?
    2. Any recommendations?
    3. Can anyone share the schematic for the power amp section ( I already have Pre amp and PSU schematics)?

    I have measured the components in the TDA8953TH Mute circuit. They appear to be correct.

    thanks In Advance
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