Question about Mitsubishi WD-73733 73" HDTV

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Bright star pattern dots on screen

When picture is on there are eight bright dots from one side of the screen to the other side like the big dipper in away.
smaller dots are more visable on screen right after set-top box is turned off.
the pattern resimbles a constallation for two to three seconds before set goes black.

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  • 94 Answers

Dust on the optical lens possibly or a defective light engine.

Posted on May 28, 2010

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Posted on Jan 02, 2017

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1 Answer

What is a constellation star


Any star that is part of what makes up a constellation.
A constellation is a groop of starts thatmake up a figure (like the big and little dipper(s))

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Screen appears broken but it is behind the glass a star like pattern on top right


sounds like a damaged screen or "display panel" which are used in LCD and Plasma sets----damage to it is fatal as the part wholesale costs more than the set did when brand new.

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Signal outof range


  • Make sure the pins on the video cable are not bent or damaged.
  • Make sure there are no extension cables or switch boxes attached to the monitor.
  • Verify that you have the proper drivers installed for the video card.
  • Verify the problem at all possible resolutions and refresh rates.
  • Make sure the refresh rate does not exceed maximum value for any resolution.
  • Test the monitor on a different computer.
  • Contrast is recommended to be set at a higher range while the brightness should be set at middle range. This helps to increase the text clarity while reducing the bright background.
  • If your monitor is equipped with moire control, adjusting this may improve the clarity of the text. Moire is a wavy distortion pattern caused by interference between the dot pitch of the CRT and the picture signal. The pattern may vary depending on the screen amplitude, contrast, brightness, and other characteristics of the input signal.
  • Monitor's performance may be affected by the Earth's magnetic field. Try rotating the monitor to different directions to improve misconvergence.
  • Most video cards offer a software utility that changes the frequencies and sync polarities for all resolutions. If the setup does not match with the monitor's characteristics, an incorrect signal may be displayed on the screen. Sometimes, the image may also appear blurry.
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    hello it may be the light engine that's faulty

    shaun

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    its sounds like the guns has burnt your yube, when switching of does your tv show a bright circle in the middel, or while watching. Smack your tv on the side while on see if the picture goes away or make a bright circle in the middel, this is caused by a bad solder joint but you wont get rid of the bunt pixels sorry.

    Nov 26, 2008 | Sony Grand WEGA KDF-60XS955 60" Rear...

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    Hey man whatsup, I see very faint star like dot patterns, they shift around. This happens while using both cables.

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    Bad picture


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    Color problem


    i dont know if this will help , but i bought a rca and a month later i had a big green spot in the middle of the screen, the tv repairman replaced one of the three color modules

    Oct 20, 2007 | Televison & Video

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