Question about Vizio L37 Television

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Picture starts flashing after tv is on for a few minutes.

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  • Al Minter Nov 06, 2010

    It is an intermittent problem and does not do it when we use the blu ray. But I do have a Roku box connected for Netflix movies and it does it with that. I should say its more of a rapid blinking than flashing.

  • Al Minter Nov 06, 2010

    I double checked the blu ray and it is also doing it when we watch a dvd.

  • Al Minter Nov 06, 2010

    thanks i will get back with you

  • Al Minter Nov 06, 2010

    ok i went to menu and turned the backlight to 0. If you get up close to the tv you can see it blinking but from a distance you can't tell it. does that sound like the backlight board?

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  • Master
  • 10,515 Answers

Hi,

To start with, kindly provide few more details ;-

1. Is it an intermittent or continuous problem?
2. Use DVD player or Blu Ray player and see, if the picture would still flash?


Let me know,so that we could proceed.

Thanks!!

Posted on Nov 06, 2010

  • 1 more comment 
  • taran_2005
    taran_2005 Nov 06, 2010

    Thanks for your response!!

    If the Blu Ray works fine, this is almost confirm that there is nothing wrong with TV. It seems to be an issue with box.You could try to unplugging the connections and then replugging it after few minutes. Could you also try moving the cable from the box to a different input on the TV? don't think this will matter, but it is something to try. It sounds like a problem with the box or system.

    Let me know,if needed further assistance.

    Hope i helped you.

    Thanks for using ' Fixya ' and have a nice day!!

  • taran_2005
    taran_2005 Nov 06, 2010

    Thanks for your response!!

    If it flashes during the Blu Ray or DVD player, this changes the complete solution. This is more of a TV problem.First make sure to hit the menu button on the TV's remote and if nothing
    is there then friend while the set is on turn a bright flashlight on
    and shine at angle into the set push the TV menu button if you can see a
    image then your backlight is not working. You can also check the
    transformers they are close to were the wires plug into the panel, make
    sure all transformers read the same amount of resistance if not you have
    found a bad one. Now you will have to check to see if the power supply
    is sending 24v to the backlight, if not the power supply is bad. Cost
    backlights around $150 and power supplies around $100.

    There could be few more probabilities that we might need to inspect.

    Check and let me know,so that we could proceed.

    Hope i helped you.

    Thanks for using ' Fixya ' and have a nice day!!

  • taran_2005
    taran_2005 Nov 07, 2010

    Thanks for your response!!

    To provide more details, this is not 100% foolproof. As i am not there, so wouldn't be able to able to exactly judge whether you are looking at the correct angle or how it was done. But, anyways the TV has to be repaired. If you have electronics experience and multimeter, i could provide few pointers that would help you ti fix it yourself, not sure whether you wanted to fix it it yourself or not....

    Let me know,so that we could proceed.

    Hope i helped you.

    Thanks for using ' Fixya ' and have a nice day!!

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