Hitachi P50H401 50 in. Plasma HDTV "humming sound" Questions

...humming sound upon turning ON the units.... what are the possible cause with this humming problem? The humming is typically caused by a transformer with an iron core that expands and contracts the ...

...humming sound? my 32" akai flat pannel is making a humming sound only on the source option (AV), When i play my xbox 360 on another source option or watch a dvd i dont get the humming sound. AV is ...

...This could happen if the volume is set too high on one of the equipment. Either the sound bar or the tv. Try turning both to low, then just turn up the sound bar volume. See if the humming goes

...humming sound is more prevelant on various stations. The humming sound seems to be normal/better on dark television stations. I have used compressed air to blow out the back of the television. This ...

humming sound that doesnt go awy even when i hook up a dvd player. the movie will play but the humming sound continues to come out from the speakers Check to see that you're not in SAP mode, (Separate

HUMMING SOUND OUT When I turn tv on there is a humming sound HelloThe audio output section of your tV has the fault.  The main reason for HUM on output, is due to a shorted audio output IC. 

...sound card. This was unacceptable to me. So I bought a 3 prong adapter to get rid of the ground and it works GREAT!! Also make sure that your cable or satellite box is not using an adapter if it is 3 ...

hum in sound i have a polaroid 40 inch lcd flat pannel tv after 3 months now it has a hum in the audio. help. fletch. the tv is picking up a 60 cycle hum from the bond wire.they did not filter the ...

...it and it went blank. I hear a humming sound but no power light. When I unplug it, the humming sound winds down. Sound like a power supply problem in the set.have a t v tech to check it for ...

sound. The proscan has a slight hum constantly and the audio shows (and sounds) mono. I cannot determing how to turn on stereo on; and how to eliminate the hum. Hi, I sent an email regarding the issue