Question about Harman Kardon HK 3480 Receiver

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Hk3480 buzzing Hk3480 receiver hooked up to dvd on vcr connection of receiver. Periodically, when watching dvd's there is a buzzing from the receiver. I can resolve this temporarily by turning the receiver off, then on. But what can I do to resolve it for good? VCR doesn't cause this, nor does IPOD. Thanks

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Is the buzzing coming over the speakers or just from the receiver itself?
If over the speakers:
Try swapping ports on the receiver from the DVD. Go from DVD into an auxiliary video or VCR 2 if available.
Try swapping out the cables with known good ones.
But do this in steps to be able to nail down the problem and not just leave a mystery.
If the sound is solely coming from the receiver it could be a dusty fan. Blow it out with compressed air ,With the Power Off.
Or, my favorite, might just have to crank it up so you can't hear the buzzing.
good luck
COEch

Posted on Mar 11, 2008

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