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My jvc ks-ax4302 goes straight to protection when I turn it on, just curious what could be the cause and where could I find a schematic of the mother board?

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Perhaps it's your output transistors or possibly a capacitor(s) although I don't know where you could find a schematic for it.

Posted on May 07, 2015

  • Francisco Diaz May 07, 2015

    Perhaps it's your output transistors or possibly a capacitor(s) although I don't know where you could find a schematic for it.

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If the Power/Protect LED is red, usually the speaker wiring has a short-circuit or the speaker total impedance is wrong for the system. The most common issue is a bare spot on a speaker wire that is coming in contact with part of the car or another bare wire. Sometimes, it just means that the system got too hot.

Before you look for a problem with the KS-AX4302 board, look at your wiring and replace any damaged wires.

I hope this helps.

Cindy Wells

Posted on Apr 11, 2015

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1 Answer

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