Question about Sharp Aquos LC46D62U 46-Inch 1080p LCD HDTV

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Horizontal lines showing behind tv menu

Blue and white horizontal lines throughout the whole screen, when bringing up the menu the lines appear behind the menu

Posted by tien nguyen on

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David Duncan

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Hello,
Normally the menu is generated in the LCD Control Unit. If your menu looks good, but the defect is behind the menu, I would suspect the Main PCB. Good luck to you. Part# is DUNTKD934FM01-V1.

Posted on Jun 17, 2016

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hi, sounds like a convergence issue. try this...
  • Look through your manual. Your manual will always give you the most specific directions for your particular model. Look for an "adjusting convergence" or "set manual convergence" section.

  • Enter the menu on your TV. Use the remote control and bring up the menu.
  • Choose "Convergence." This may be under "Picture Settings," "Function" or "Advanced Options."
  • Select a color. You will have red, green and blue to choose from. Do each one, starting with red.
  • Press "Enter." A crosshair pattern will appear on your screen.
  • Adjust vertically. If there is a horizontal red line visible, press the up or down arrow keys (or channel up or down) to adjust the convergence until the line is superimposed on the horizontal-center line of the white crosshair.
  • Adjust horizontally. If there is a vertical red line visible, press left or right (or volume up or down) to adjust horizontally. Do this until the line is superimposed on the vertical line of the white crosshair.
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    hi, sounds like a convergence issue. try this...
  • Look through your manual. Your manual will always give you the most specific directions for your particular model. Look for an "adjusting convergence" or "set manual convergence" section.

  • Enter the menu on your TV. Use the remote control and bring up the menu.
  • Choose "Convergence." This may be under "Picture Settings," "Function" or "Advanced Options."
  • Select a color. You will have red, green and blue to choose from. Do each one, starting with red.
  • Press "Enter." A crosshair pattern will appear on your screen.
  • Adjust vertically. If there is a horizontal red line visible, press the up or down arrow keys (or channel up or down) to adjust the convergence until the line is superimposed on the horizontal-center line of the white crosshair.
  • Adjust horizontally. If there is a vertical red line visible, press left or right (or volume up or down) to adjust horizontally. Do this until the line is superimposed on the vertical line of the white crosshair.
  • Save settings. It is important to save your settings when you are done, instead of simply exiting the menu.
  • Repeat these steps for all colors.

  • good luck!
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    A thick blue horizontal line appeared in my LCD screen and won't go away. I can still take pictures and they print out fine, but how can I get rid of the blue line?

    This is probably a problem with your LCD monitor or the connections to it. Does the blue line show in all situations such as record, playback, and menu mode?
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    Thin blue line

    I am a Sharp Servicing Technician. You posted this before. Ive got the same model TV as you do LC46D62U. I think the line you are experiencing is simply the broadcast. I notice it on some HD shows that broadcast the side bars. (Always on the Ellen Degeneres Show). Ive taken some picture.

    1) Here's the line on the left that i experience
    ec62e20.jpg

    2) Later on in the broadcast, it goes away.
    f7a108d.jpg

    One way to check if its a TV problem or not. When the line shows up again, hit the MENU button on the remote. If the line appears to be "behind" the menu, then it is simply the broadcast.
    a6f48e8.jpg

    If the line appears to be "on top" of the menu or shows right through the menu, then it is a TV problem.

    Im thinking the reason it takes hours for hte line to appear is because it only shows up on certain shows or certain HD broadcasts.
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    Sharp Aquos LC46D62U 46-Inch 1080p LCD HDTV Logo

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