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

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I have a Westinghouse LCD TV model LTV 27W6 HD. TV is 1.5 years old and once TV it turned on everything works fine. After 10 - 15 minutes of operation the video changes to colored horizontal lines. The audio continues to work fine it's just the video issues. Turnig the TV off overnight will reset the condition.

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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 flickering and prior to that red or green or even purple pixelation. 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

Posted on Sep 16, 2009

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TV should be looked at by a qualified technician. The problem could be in the Power Supply PCB, Main PCB or Tcon PCB. Using cold spray is the quickest way to determine which board is faulty.

Posted on Sep 09, 2009

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