Question about Marantz SR-4200 Receiver

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Unit goes into protect mode

At first the unit (secondhand) worked fine, but the next day, it went into protect mode after about 10 seconds. I unplugged everything and it still does it. Is there aanything I can do at home to diagnose? Thanks! Steve

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  • Steve Wong Jun 05, 2007

    Swongman update:

    In the true spirit of DIY, I took off the cover and vacumed out the inside parts, replaced the cover and reset the unit by holding down the F/P button as described in the manual.

    So far so good! No protect mode so far.

    Just need to keep my fingers crossed!

    Steve

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Not unless you know how to troubleshoot solid state electronics. If you disconnected the speakers and the unit still goes into the protect mode, most likely you have a short in one of the power output stages. Good Luck

Posted on Jun 04, 2007

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