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STR-DG720 Problems with sound disturbances

Tujetsch

Standard Member
I bought the DG720 to replace my old sony av-receiver and to have hdmi support true all the system-components.
After setting up the system everything works but there ist an constant tone in background, whatever system ist active.
With the old receiver everything worked fine.

Advice: Only the hdmi connections are made.

Thanks for any idea

Marcello
 

dante01

Distinguished Member
Turn off all other components at the mains and unplug them - including the TV. Move any form of telephone that is in close proximity to the receiver. Is the noise still apparent and does it emanate from all the speakers?
 

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