Question about Samsung DLP HL-P5663W 56" TV

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Television problem SOLID VERTICAL BLACK BARS ACROSS THE PIX

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  • tony53 Jan 13, 2010



    Hi eagle338...,



    The vertical lines I'm refering to are solid uniformed vertical lines accross the entire pix as if you were in jail bars (black)........I'm thinking video drive minor problem..I hope for this is my personal tv...!

  • tony53 Jan 13, 2010



    Yes upon turn on and warm up ..., it will show the black vertical bars..,constantly...!

  • tony53 Jan 14, 2010



    Yes, I am experienced tech for crt tvs for years and very familiar with capacitors smd type or can (electrolitic polarized type)......







    Thanx for your help on this one



    Tony Gonzales

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Are they all over the screen or just on a part of the screen? ALso do these bars appear all the while or after using the tv for a while?

Please let me know this info so that we can continue with the diagnosis.

Sai.

Posted on Jan 12, 2010

  • 1 more comment 
  • eagle338
    eagle338 Jan 13, 2010

    Do they appear all the while or after a while after you turn on the set?


  • eagle338
    eagle338 Jan 13, 2010

    Ok.. Looks like the DM board is faulty, but since it happens only after warm up, I think its just a few leaky/swollen capacitors. How good are your electronics/soldering skills?

  • eagle338
    eagle338 Jan 14, 2010

    Ok the DMD board, is the single large board located at the center of the chasis. It will look like the image below.

    First thing to do is to check for any visual damage on the electrolytic capacitors. Like if they are swollen, cracked or leaking. If not then I hope that you have got a tweezer equipped multimeter that can be used to check for faulty SMD capacitors.
    You may need the service manual for reference values
    http://www.service-docs.com/store/catalo...

    Sai.


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