Question about Westinghouse LTV-27w6 27 in. LCD HDTV

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Flickering/pixelating screen on LTV-27w6 HD after 30 minutes.

After watching my Westinghouse LTV-27w6 HD TV for about 30 minutes the picture starts to pixelate (green) and flicker. Faces become doughy and start to look like animation. After another 15 minutes it clears up somewhat, but still flickers/pulsates in the background. How can I fix this?

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  • Anonymous May 04, 2008

    picture pixelates after about 30 min. to 1 hour. Sometimes it will fix itself after 10 min. and sometimes i have to turn the tv off for a 1/2 hour or so and it will work again for a while. I have had a new cable box, and the problem is getting worse.

  • Anonymous Mar 29, 2014

    TV flickers when powered up. Picture is still visible but you can't watch, it also affects volume.

  • Anonymous Mar 30, 2014

    when watching it blinks or flickers



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  • 137 Answers

Sound like dry goint on Power Supply bord. I had the same problem and resolder most of the parts of the power supply and TV was ok.

Posted on Dec 22, 2007


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The problem in your tv is not external.
The problem is in the power supplies internal filtering.
On the primary side of the power supply main board you will find
a large electrolytic capacitor very near the fuse and the primary transformer( the small one). Next to this capacitor you will find a
large 5 watt diode.( black with a silver band at one end). Next to this you will find one lone 1/4 watt resistor. This resistor in conjuction with large electrolytic capacitor is responcible for the internal filtering of the high voltage side of the board. As your unit heats up( anywhere fron 5 to 30 mins) you will notice horizontal
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Check this 1/4 watt resistor for dark discoloration and or a bad solder joint on the solder side of the board. This resistor
is directly responcible for controlling the bias current to the high voltage regulators for the 160 volts DC. At no time should you handle or troubleshoot this board with the line plug in.
Even when this board is powered down that capacitor still holds a charge for up to an hour and can knock your you know what
in your sock. If you do not feel comfortable please take the board to someone else. Hope this helps.

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