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LCD projector problem?

Discussion in 'Electronic Repair' started by Posting2002, Nov 16, 2003.

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  1. Posting2002

    Posting2002 Guest

    Hi on my LCD projector (older Proxima model) there is a strange output in
    all view modes - there is a black 'hole' (elliptical taking more than 50% of
    the screen in the center) with a blue surrounding. When displaying the
    image (DVD/pc/etc.) the hole is giving a yellow tint to the image being
    displayed (ie. the area behind this hole has a pronounced yellow tint).

    Can anybody suggest what could be wrong with this? Would it be the lamp, or
    something on the board?


  2. Art

    Art Guest

    Either dirt or burns on one or more of the picture developing elements.
  3. red

    red Guest

    Without eliminating certain parts to find the problem, I would say that you
    either have a burnt polarazation filter, possible burn-in on one of the
    panels, or one of the many mirror and diffusing pieces may have been burnt.
    Do not attempt to open and see unless you know how to properly align these
    parts. Your first mistake was buying a Proxima. Get and NEC or Panasonic.
  4. Chris

    Chris Guest

    The LCD's are bad. At least one of them is dried and burned. As I remember,
    they're about $800.00 a piece and all 3 should be replaced to maintain
    proper color balance.
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