Question about Dynex DX-LCD32-09 LCD TV

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I have black screen but do have sound - Dynex DX-LCD32-09 LCD TV

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  • nalhorn Jun 05, 2010

    Thanks



    I also have a samsung 50 DLP. On the left side of the screen approximately 3-4" from the side the picture has a vertical line of demarcation. On the right side the picture is excellent. On the left side the picture is washed out. Is this due to misalignment of the internal mirrors. Can it be corrected?

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  • 10,594 Answers

Hi,
Please unplug tv from wall socket for minute to get it reset, replug back in and turn it On and check does it show picture or not.
If still no picture in screen then need to check that does lcd screen has back light? Turn On tv and check some white bright light coming from rear vent holes.
If no light comes that means back light board is not working, reason could be bad power supply board or defective back light inverter board.
Both boards are available in Shop Jimmy, click Power Supply Board and Back Light Inverter board for price info.
Let me know if you have additional question.
Thanks.

Posted on Jun 05, 2010

  • 3 more comments 
  • nalhorn Jun 05, 2010

    I bought this tv for my dad. Prior to losing the picture my dad indicated that on several occasions the tv would have popping noise that sounded like an electrical discharge. Is this consistent with an inverter board failure?

  • Shahid Electronics
    Shahid Electronics Jun 05, 2010

    Yes, its most likely back light inverter board that is bad because of high voltage leakage.
    Replace back light inverter board to fix it.
    Thanks.


  • nalhorn Jun 05, 2010

    Thank you. I have ordered a new inverter board and hope that corrects the problem. Can you guess what may have failed the board? Seems like it died over a period of time and wasn't a lightning strike.

  • Shahid Electronics
    Shahid Electronics Jun 05, 2010

    Mostly high voltage transformer is big reason of failure of this board but it does not happen so commonly.


  • Shahid Electronics
    Shahid Electronics Jun 05, 2010

    Yes, its problem of light tunnel that need to be adjusted.
    Please post Samsung question separately to answer it properly.
    Thanks.


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