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Re: Tv will not come on. humming noise coming from the...
There is a leak of high voltage in your tv so you need to opoen the back cover check for the source of the leak..if the leaks comes from the plyback transformer you can use sealant to cure the leak.
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The tv problems and causes are 100% is the tv colors wheel it is causes and the tv problems.The tv are having humming or loud buzzing noises sounds are the causes of the tv colors wheel going off and out control of it motor mount and spinning in at high RPM speed and different colors showing up or flahes of black and white color in the tv back ground.The tv colors wheel must have to be replace.Best hire a tv tech to do the replacement of the tv colors wheel,because have to take out many mechanicals parts before can even come to the tv colors wheel is self to replace it.
Try removing all cables going to the TV except the power cord. Power on the TV and press mute. If you have any unwanted noise, then you have a defective TV and since it is new, you should get an exchange. If there is no noise with the A/V cables removed, then you might have hooked the source (cable box/DVD Player) into the wrong inputs of the TV.
does the hum occur when playing a dvd or only when watching tv ? if the hum occurs only when watching tv, i would like you to disconnect the cable line from either the wall or the back of the cable box and see if this hum disappears. if the hum disappears call your cable company. you have what is called a " 60 cycle ground loop ". hope this helps.
Usually Humming noises come from frequency interferance. In this case it is being caused by your input sources. A smiply solution is to replace the cables and or seperate the source cables away from any electircal cords or sources.
The most common problem is the condenser fan, if it has one. It may need cleaning and or oil. Most of them do not have a place to be oiled. The fan can be replaced cheaply. Make sure the power cord is unplugged before taking the cover off of the compressor and fan area.
When we turn our TV the humming and buzzing begins! We cn mute it and it goes away and then it when we turn the sound back on the sound is back! How can we fix this?
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