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Seiki SC-32HS703N puple lines

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    Seiki SC-32HS703N puple lines

    Greetings,

    I have a Seiki SC-32HS703N that has purple lines like the picture below. After being off for while it may take a min or two for this to happen. I've done just about every reset/adjustment I could find, so I'm going to guess it's hardware related. I do have sound.

    Could anyone give me a clue on where to start? I've got meters of various types and have no problem with metering a live circuit(one hand in the pocket helps).

    Let me know if more information is needed.
    Attached Files
    Cthulhu for President!
    Why vote for the lessor of two evils?

    #2
    Re: Seiki SC-32HS703N puple lines

    What is the history of the TV?
    The whole screen looks like that?
    We also need the pictures of the whole back side of the TV showing all the boards.
    Never stop learning
    Basic LCD TV and Monitor troubleshooting guides.
    http://www.badcaps.net/forum/showthr...956#post305956

    Voltage Regulator (LDO) testing:
    http://www.badcaps.net/forum/showthr...999#post300999

    Inverter testing using old CFL:
    http://www.badcaps.net/forum/showthr...er+testing+cfl

    Tear down pictures : Hit the ">" Show Albums and stories" on the left side
    http://s807.photobucket.com/user/budm/library/

    TV Factory reset codes listing:
    http://www.badcaps.net/forum/showthread.php?t=24809

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      #3
      Re: Seiki SC-32HS703N puple lines

      Until this happened, it had set on top of a entertainment center in the living room. It was secured so it could not fall. It's at an angle, but that is the entire screen.

      The pictures and the pdf I include are from the FCC application, but I've confirmed it matches mine.

      I was hoping to get general idea before I start tearing it apart. In my mind, once I break out the screwdriver, I'm committed and I HAVE to fix it.

      Is it safe the assume that the backlight works? I've got a pulled main board/power supply being sent to me(birthday present from brother).

      Thank you for all the help.

      edit: BTW, the teardown photos at photobucket are coming back as "Sorry, an unexpected error occurred."
      Attached Files
      Last edited by ae7oo; 06-02-2019, 11:19 PM. Reason: message
      Cthulhu for President!
      Why vote for the lessor of two evils?

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