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Loud humming on my tv and dvr with ny nad 761

The television is fine when I turn it on within minutes the hum starts and does not stop.  When we play a dvr the sound is stuttering, but a cd and the radion is fine?

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The problem is the capacitor on the DSP board C107 2200mf / 16 Volts. Try replacing it and it should be fine

Posted on Aug 10, 2010

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Is that "DVR" or "VCR"? accordianman

Posted on Oct 25, 2007


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Posted on Jan 02, 2017

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The clicking is the sound of a bad relay. A relay is an electrical switch that opens and closes under the control of another electrical circuit. There is no user solution for this. You'll have to take it to an electronics repair shop (~$150) or dump the whole unit.

Posted on Dec 19, 2008

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SOURCE: nad 7140 fm low frequency hum

This is probably a 60 cycle hum and the problem is more likely confined to the am/fm board, there is a bad ground due to poor solder joints, broken ground wire, an open capacitor, this may not be easy to find, but it is a start.

Posted on Apr 23, 2012

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