Question about Westinghouse LTV-32w1 32 in. HD-Ready LCD Television

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Hum bars? not sure

I have a sony trinition 42" windscreen tv Recently ive been getting lines horizontally acroos the screen that roll up and down, they last for a few hours then go, then come back then go?

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  • canadagirl45 Feb 10, 2009

    I have a one month old 32 inch westinghouse with the exact same problem What's a ground loop isolator?

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  • 13 Answers

It sounds like its hum bars. that means you got power and rf interfearence. you'll need a ground loop isolater

Posted on Jan 26, 2009

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Last night I turned my Polaroid TLX 04244B off, and had zero problems. This afternoon, I have a 6" pattern of horizontal lines across the right hemisphere of the screen. They come and go, darker...


You are probably seeing hum bars which may be due to an AC ground loop that is going through the shields of one or more of the cables inteconnecting the TV with one or more of the other video components. You should do the following to try to resolve it...
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hi all .ive had the same problem,a thick black line down screen.sometimes it flickers from top to bottom and other permantly in view.but i have solved it.forget your ic boards and taking apart tv.have you got either a ps3 or wii connected to tv.if so unplug power lead from socket and relocate in seperate socket.make sure the lead is completely free of any other leads and you might just find this works.i think the power lead creates some sort of frequency that the tv picks up .good luck hope it works

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I have a KLV-32U100M and recently I've noticed a wide bar of color rolling up the screen and a I hear a slight hum from the speakers. This occurs when different devices (cable box, dvd player, Wii) are on...


You may have an earth ground problem with your house electrical wiring-- third prong in AC socket. Get a 3-prong to 2-prong plug adapter ( also called an "AC-cheater plug") and put on TV cord. Try again.

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hi all .ive had the same problem,a thick black line down screen.sometimes it flickers from top to bottom and other permantly in view.but i have solved it.forget your ic boards and taking apart tv.have you got either a ps3 or wii connected to tv.if so unplug power lead from socket and relocate in seperate socket.make sure the lead is completely free of any other leads and you might just find this works.i think the power lead creates some sort of frequency that the tv picks up .good luck hope it works

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ARE THE LINES GOING UP AND DOWN OR LEFT TO RIGHT?
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Unplug the tv wait a minute .Plug it in turn it on see if that fix the problem. these tv are computers and can go hay wire.just like a computer ,some times a reboot will fix things for a while.make sure you have a good clean source of power at the receptical and your not having power spikes or drops . Good Luck!

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Are u saying that the video and sound is ok? And that you have a vertical line moving up your tv screen? If this is correct then it sounds like an A/C hum or filter problem. This would be in the powersupply it could be a big cap that needs changing.

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