WebJul 10, 2024 · Step 1 Turn the volume control up and down. Does the hum in your speakers go up and down with volume? Take note so we can come back to this answer. Step 2 … WebPlug the power cord directly into a wall AC outlet. Connecting the power cord to a surge protector or power strip may be causing the issue. It may be necessary to unplug any additional devices from this outlet. Turn on the A/V receiver. If the issue is not resolved, turn off the A/V receiver. Unplug the power cord from the AC outlet.
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