Yamaha HTR-5840 Receiver "subwoofer hum sound" Questions

...subwoofer During the sound test, all speakers work except the subwoofer. Pulled the plug out of the receiver and touched the end of the cable, subwoofer makes a humming sound. So I believe the sub ...

Subwoofer will not produce sound. Connections are correct. I do hear a hum or a crackel as I pull the connection on and off. AVR-689 model In order to ensure output to your subwoofer: make sure the ...

...Subwoofer (NO)" in the setup menu removes the humming (relay clicking inside receiver), Service manual: http://sportsbil.com/sony/STR/STR-D/STR-DB840_DB940.pdf Any advice what to change or replace / ...

...sound from woofer what do i set the polarity at for the subwoofer, reverse or normal? If there is humming , disconnect  the powered Sub input to the receiverIf humming stops, check the cable ...

Subwoofer Issue Hooked it up to audio output on another TV and the subwoofer hums. SOunds like there is a need for another subwoofer. ok,can you let me know if the reciever is working or not?

...subwoofer off and back on. Also, when I first power up the system, it emits a low frequency hum, thru the speakers, for about 30 minutes. All of the other 5 speakers work fine. It sounds like the ...

...subwoofer is connected first time, and is OK - strong bass hum when touching tip of plug. But no sound. On every input and listening mode. Settings: loudspeakers: left, center, right, surround left, ...

tvee model 25 popping and constant humming from the subwoofer Have you checked all your wire connections? To make sure thier not loose. 

...subwoofer is picking up a faint radio signal, and sometimes it's accompanied by a hum. When it gets to humming, the sub doesn't put out hardly any audio. Most likelly you having problem with signal ...

subwoofer, the fuse blew and we replaced it but there is a rattle in the metal cage unit and when you plug in and activate the speaker there is only a humming sound ?? It sounds like the driver itself