RE: Annoying whistling tone on Denon AVR-550SD digital HT receiver

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In Reply to: RE: Annoying whistling tone on Denon AVR-550SD digital HT receiver posted by jon_beardy on March 12, 2015 at 18:09:24:

The only caps of concern would be the electrolytics and they don't always look bad. The only way to be sure is to remove and measure them.
Try disconnecting the cable(s) to the display and see if the noise still persists.
If the volume control is a pot I would clean it with contact cleaner.

Edits: 03/17/15

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Follow Ups Full Thread

Topic - Annoying whistling tone on Denon AVR-550SD digital HT receiver - jon_beardy 16:33:52 03/03/15 (3)

RE: Annoying whistling tone on Denon AVR-550SD digital HT receiver - mrdavis842 16:30:36 03/05/15 (2)

RE: Annoying whistling tone on Denon AVR-550SD digital HT receiver - jon_beardy 18:09:24 03/12/15 (1)

RE: Annoying whistling tone on Denon AVR-550SD digital HT receiver - mrdavis842 22:39:13 03/15/15 (0)

Follow Ups

RE: Annoying whistling tone on Denon AVR-550SD digital HT receiver - mrdavis842 22:39:13 03/15/15 (0)

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