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How do u know when the bulb has gone

Discussion in 'Projectors, Screens & Video Processors' started by he33y, Oct 28, 2005.

  1. he33y

    he33y
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    its the Philips LC4433

    it works fine apart from the menu screen has a yellow tinge to it and i got the computer and a DVD player working fine but again theres a yellow tinge just off center about the size of a football. (i can try for a photo if u want to see)

    i know the project will need repairing or somet buying and am prepared to do it i just need to know what parts faulty.

    the bulb has been on for 2400 hours like could it be that

    Thank ppl

    Graeme
     
  2. stryker

    stryker
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    Sorry the temptation to answer your question was too great.

    "How do u know when the bulb has gone"

    Answer: It goes very dark in the room.

    But seriously.... Does it take a long time for the lamp to "fire up" when you switch the PJ on?
     
  3. LV426

    LV426
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    Yellow tinge is probably heat damage to one of the polarisers. This is much more costly than a new lamp.

    When the bulb "goes" it stops lighting up. Until then, it remains fully usable and I don't believe it will cause what you describe.

    Some machines go like this on their own; some do so because either

    a) people have repeatedly disconnected power before the cooling fan has stopped, allowing residual heat from the lamp to build up inside
    b) dirty filters, obstructing airflow (or similar).



    (PS: Please refrain from using SMS-type abbreviations; thanks).
     
  4. he33y

    he33y
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    i think thats what is it like Thank you ive got my projector in bits now been looking at prices and there abut £70 each thats £210 for all three is it advisable to replace all the polarizer's
     

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