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sharp 32l450m - yellowish picture

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    sharp 32l450m - yellowish picture

    Hi All,

    I have this lcd model sharp 32l450m which project yellowish/dark picture on the screen.

    is it the backlight problem? i havent open the bad cover to identify any bad caps yet as i am still using it as my monitor for my pc.

    Any advise?

    Thanks in advance.

    #2
    Re: sharp 32l450m - yellowish picture

    On pretty old sets--especially from a smokers house--the backlight and diffuser becomes dull and yellow/faded.
    --The tubes themselves also start to show more yellow light when very old....

    Ive seen a couple of LCD like this, and changed the backlight on one--the difference is staggering!
    TELEFIX

    How PLASMA SCREENS WORK, X-SUS and Y-SUS what they do--
    http://www.irf.com/technical-info/appnotes/an-1088.pdf
    PLEASE DO NOT EMAIL ME PRIVATELY FOR REPAIR ADVICE. QUESTIONS BELONG ON THE FORUM!

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      #3
      Re: sharp 32l450m - yellowish picture

      Hi Alastair,

      Thanks for the reply. As I remember it turned yellow in just a day. It is working fine on the previous night and the next day when i turn on...the picture becomes yellowish/dark.
      So is the culprit is the backlight module?

      BTW, no smoker here..hehehe..

      Thanks.

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