This receiver has recently began making a frying noise several minutes after it has been turned on. The noise can be heard over the speakers, but not if all of the speakers wires are disconnected. The noise continues to get louder as the unit stays on.
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I would recommend checking your speakers polarity ( + on the + - on the - ). Also check to make sure the wires are not touching each other where they connect to the speaker or amp. Also check your input connections if you are not using HDMI or Optical. Worst case is you have to send it in to get serviced. Hope this helps
I REMOVED THE AM LOOP ANTENNA. AND THE UNIT WORKED. TO MAKE SURE THIS WAS THE PROBLEM I REMOVED AND REPLACED IT SEVERAL TIMES. EACH TIME IT WENT OFF AND. I THEN PUT ON THE FM INDOOR (WIRE) ANTENNA. THE UNIT BEGAN TO PLAY BEFORE EVEN BEFORE I CONNECTED IT. JUST GETTING IT CLOSE TO THE FM COAX. MADE IT WORK.
The solution of leaving the thing on all the time would certainly work, but most of the time a buzzing sound inside a relatively robust audio amplifier is being caused by the huge transformer coil in the thing. Or wires that are in close proximity thereto.
In some ways, you're blessed that the buzzing is coming from the unit itself, and not through the loudspeakers.
Try to see if the reciever will make the buzzing/noise without anything connected to it except power, and speakers. Tune into a local radio station and see if the noise continues. If the noise has stopped, then you know there is an issue with the player or cable.
It sounds like the center channel isn't plugged into the correct speaker output. Unhook the speakers and reattach them while paying VERY close attention to which jacks you're putting them in. Report back with results.
You may have shorted the speaker wires.
Remove all wires from the output connections and make doubly
sure no strands are left there. Turn volume to zero and turn
the receiver on. If the problem persists, you probably fried
the output stage. Have it repaired.