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Our Harmon Kardon AVR 7200 Audio/Video Receiver does not come on when plugged into the outlet, even when the main power button is depressed. Some articles have suggested that it may be the power supply. The nearest authoried repair is approximately 100 miles away.

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  • gmhater Jun 23, 2008

    To the experts that e-mailed me, Thank you. But how do I review all of the posted solutions?

  • gmhater Jun 23, 2008

    Thank you to all who e-mailed me. I guess that there is a road trip in my husband's future and to Largo, Fl of all places.

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Hi,

Unplug your unit. Remove the top cover by taking out the screws. Then pull up on the back and slid it out toward the rear.

Where the cord wires pass through the back and into the circuit board you'll see a power fuse somewhere near that location. Look carefully with a small flashlight to see if the small wire inside the fuse if intact or not. If you're not certain carefully lift up one end of the fuse until it releases and then lift the entire fuse out. Hold it up against a light. If you have a meter check to see if there is any or no resistance of the fuse. If there isn't any or you see the remains of a blown wire/fuse just replace it with one exactly the same. Markings are on the silver tone ends of the fuse.

The fuse is capable of not blowing but elements of your primary power supply can fail. Look for burn marks along paths of components on the board near the power transformer and little chips that start with 'ic'. Also, look at the transformer for a burn mark or drippings of varnish or electrolyte. If any of those conditions exist you would have to replace them all and assume they are all compromised. If you can't do this, now is the time to find a repair shop or electronics guru or friend/neighbor/chamber of commerce who can recommend one to you. If you are under warranty the choice to proceed or return it is strictly up to you.

Regards,
Worldvet

Posted on Jun 24, 2008

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Yes that's really a power supply issue and you ned to have it replace so just take it to the nearest repair center near you to replace it..

Good luck.......

Posted on Jun 23, 2008

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It does seem a problem with the power supply or a couple faulty components. Unfortunately, if you have no experience with electronics, this could be a tough ask. If your unit is not under warranty, then any local repair shop may be able to fix this for you. BUt if it is under warranty, then it is best to contact your point of purchase or the manufacturer directly..

Posted on Jun 23, 2008

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The high voltage might have passed into the receiver so it is able to on itself even if you plug to the outlet

Posted on Jun 23, 2008

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Well...that's not too cool...it's either the power supply, a fuse, or something in the control board...you feeling handy enough to tackle this one?

Posted on Jun 23, 2008

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