Question about Westinghouse LTV-32w4 32.02 in. LCD HDTV

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Blank screen when tv has been on for 10-20 minutes

I bought 32 inch westinghouse LCD about two years ago and having similar problems. After I have the TV on for few minutes, screen goes blank while audio is still on. Sometimes this problems goes away when I turn power off and on but lately, even that doesn't work. I think this is weakness and Westinghouse should take a note of that.

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  • jilanfa00 Jan 21, 2009

    Lone99star,
    I tried your troubleshooting method and did see video when I flashed it with a flash light. Do you know the part number for inverter and its cost? I appreciate your help.
    Faisal


  • jilanfa00 Jan 21, 2009

    How would I know which one is inverter if I open the back of tv? Does it say inverter on it? Another question, what exactly does the inverter do?
    Thanks


  • dabeers4405 Jan 21, 2009

    i have a 32 in westinghouse lcd tv. I bought it about 2 or 3 years ago. In the middle of watching it, the picture will go out the audio stays on and so does the blue light in the front of the tv

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  • Master
  • 362 Answers

Hi jilanfa00, 
I am happy to help, we need to check the backlight inverter.

  1. Turn tv on and get to a point that you have audio.
  2. Take a flashlight and shine it on the screen.
  3. Look very closely at the screen for a very dark video image.
If you see an image you have a bad inverter, you should be able to replace it yourself. I can walk you through in chat. Let me know your findings. Lone99star 

Posted on Jan 20, 2009

  • Jason Morris Jan 21, 2009

    Hi Faisal,
    I am having a problem finding the inverter for your tv, we will need the part number from the board.

  • Jason Morris Jan 21, 2009

    The inverter will look similar to this 
    See along the bottom edge the white connectors, the wires that go to the backlight connect here. Again yours will look similar to this not exactly. The inverter is basicaly a ballast like in a regular florescent light. Please leave the tv unplugged for at least an hour before you open it up, There is still a schock hazard even when the tv is unplugged, be careful and do not touch any components, we just want a part number for now and later we will do the install. Lone99star



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