Question about Sony Grand WEGA KF50WE610 50" Rear Projection HDTV-Ready Television

1 Answer

A blue semi-circular hue on the bottom left of the screen

The hue appears on most viewing unless the area
is showing a blue color then it isn't visible. the semi-circle also seems to be getting bigger at a slow rate.

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  • n_gakuya Jan 19, 2009

    the model of the tv KF-50WE610. it has a blue/purple patch semi-circular in shape on the bottom left of the screen. it looks like a light or hue and it's slowly getting larger.

  • Anonymous Feb 12, 2009

    Can I replace the blue lcd in light engine myself or does it take a service call?

  • Shahid Electronics
    Shahid Electronics May 11, 2010

    Thanks for update,
    Problem is Blue LCD in light engine and needs replacement.
    Call Sony Support number written on user manual for proper fix.
    Need more info, let me know.



  • Shahid Electronics
    Shahid Electronics May 11, 2010

    Please intimate exact model of tv to help you out.

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  • Sony Master
  • 1,779 Answers

9 times out of 10 the Blue Polarizer heats up and discolors which causes that problem, all projector's have the same issue and have for years. My professional recommendation is get in touch with Sony, they have been extending the warranty's for this issue. If they won't the have a servicer replace the light engine of which is not cheap.

Posted on Feb 17, 2009

  • cheryl1999 Feb 08, 2014

    what is the light engine - u mean the optical block-the heart of LCD's?

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