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Advent ht2751a do you have a schematic or discription on the bent in sides problem on this tv? could you help?

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  • jason Oct 24, 2008




    without adjustment




    with adjustment


    board




    thank for anything you can help with on this diode issue

  • jason Oct 24, 2008

    found the equivalent here http://www.nteinc.com/specs/500to599/pdf...



    thanks for your help!

  • dofii May 16, 2009

    will replacing both these diodes solve the problem or are other parts also damaged

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  • Master
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I don't have schematics of this particular tv but I would try to help you to diagnose and rectify this problem.
I think that your tv has problem of pin cushion, incorrect picture size at sides, this is cause of few defective parts in Pin Amp area.
I need few clear and focused pictures of both sides of TV main board to see what part is damaged.
Thank you.

Posted on Oct 24, 2008

  • 1 more comment 
  • Shahid Electronics
    Shahid Electronics Oct 24, 2008

    You can use Diode "PG156R" OR "EGP20G" as replacement part for D155.
    Both diodes are high frequency and used in Pin Amp stages in most TVs.



  • Shahid Electronics
    Shahid Electronics Oct 24, 2008


    Part number for above diodes are as follows...

    8-719-979-85 EGP20G available at Parts Store price is $5.57
    6-501-302-01 PG156R available at Parts Store price is $2

  • Shahid Electronics
    Shahid Electronics Oct 24, 2008

    Thats great you found required part.



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