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Fine horizontal red lines - Projection Televisions

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  • Anonymous Aug 15, 2008

    I have a panasonic 1080i and I am getting like a red haze acress the screen and it is distorting the picture. what might be the problem?

  • redcherry13 Mar 09, 2009

    I have the same problem with fine horiztontal red and occassionally green lines. My manual says something about possible electrical interference, but they happen at any time; not just when additional electrical is being used. It only seems to happen after the television has warmed up for over a half hour.

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Whats the model number of your set? Its either your Red CRT or the Red CRT drive board. Please respond to this same post and I will help you, But need the model number.

Posted on Aug 03, 2008

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It has tripple vision and looks like a bow tie.


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!

    Feb 02, 2011 | RCA HD61W66 61" Projection HDTV

    1 Answer

    Sony kp-ws500 has very fine red and blue horizontal lines across screen tried adjusting convergence, and it didn't do anything


    Red and Blue Tube screen drive controls needs to be turned down some, tubes are over driving causeing drive lines.

    Sep 16, 2010 | Sony KP-65WS500 65" Rear Projection...

    1 Answer

    I have a KF-42E200A Sony Bravia LCD tv. Recently we had to replace the lamp. Since then a horizontal line appeared at the top of the screen and it has grown to about 3 inches now. The picture itself is...


    The lenses in the TV are more than likely misaligned due to heat from lamp. The heat can cause the lenses to move and the red shaded horizontal line appears over time because the lenses fall out of alignment.

    You just need to have the lenses realigned and the red shading will go away.

    Jan 07, 2010 | Sony Projection Televisions

    1 Answer

    Horizontal Lines and smeared color


    No its not a cheap repair Renee, please don't invest your hard earned money into an old 32". If you can buy a newer LCD or Plasma set. LCD's are cheaper and have the smaller sizes that you may want.

    Apr 08, 2008 | Projection Televisions

    1 Answer

    Strong red tint with horizontal lines across screen


    if you have warrenty, return it. if not, then buya new one...the video fuses are dying...hard to fix it.

    Oct 06, 2007 | Akai PT4799HD Rear Projection Television

    2 Answers

    Very fine red lines across srceen


    It is an adjustment, but it's an adjustment you may not want to do. It's the red screen control. It's located behind the front panel so the entire front panel has to be removed in order to access it-which will expose you to hazardous voltages. if you like, I can post detailed instructions on how to get that front panel off, it's kinda tricky.

    Jun 13, 2007 | Sony KP-51WS500 51" Rear Projection...

    1 Answer

    Convergence not lining up


    Sounds like the green is out of focus. If the focus control for the green does not control it enough to make the width the same as the red, then, the lens on top of the green can be adjusted to focus that tube. On the lens, there is a wing nut on a screw to loosen it and move the lens left or right a bit to help with the focus. Hope this helps.

    Apr 15, 2007 | Mitsubishi WS-65315 65" Rear Projection...

    1 Answer

    No horizontal red convergence control


    Probably the red convergence output IC has failed. The chip is basically a stereo amplifier that serves as a horizontal amplifier and a vertical amplifier. I suspect the vertical part has failed and is not uncommon. Should be generic STK392-150's or maybe STK392-110/120 I believe. By the way when the line moves up and down that means the vertical is working when it moves side to side the horizontal is working.

    Feb 03, 2007 | Philips 60PP9202 60" Rear Projection...

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