Question about Projection Televisions

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Lcd projection tv 42in

Sony tv projection lcd 42in model kf-42sx300u red and green light keeps flashing will not let me put tv on

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  • shirley osullivan Jan 13, 2009

    no it went like that last night could you tell me how much im looking at to buy one please

  • shirley osullivan Jan 13, 2009

    please could you let me know how much the lamp is

  • shirley osullivan Jan 15, 2009

    sorry pressed wrong button the other day

  • Shahid Electronics
    Shahid Electronics May 11, 2010

    Have you replaced its Lamp?

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  • Master
  • 10,594 Answers

Lamp is available HERE and cost approx 175

Posted on Jan 13, 2009

  • 1 more comment 
  • Shahid Electronics
    Shahid Electronics Jan 13, 2009

    let me know what was wrong in provided info of your question?

    why you rated it Inappropriate?

    I want to know the reason of down rating.

  • Shahid Electronics
    Shahid Electronics Jan 14, 2009

    look, if lamp price is 175 or what ever, its not my fault so why you rated my solution as inappropriate?
    I gave you info for free and you hit my ranking at website badly, is it fair? just think!


  • Shahid Electronics
    Shahid Electronics Jan 15, 2009

    hehe, thanks for reply.
    right button is still need to be pressed as yellow rating is damaging.
    press blue or green rating button as answer has correct info.



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1 Answer

Tv won't turn on the green and red light keep flashing


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Well we need to have in mind that a generic lamp will give you 3500 to 4500 lamp hours and the Phillips will give you 6000 to 8000 lamp hours ,The lamp itself typically uses AC current and about 15,000 volts to ignite the lamp's mercury2.gif vapor gas. The gases inside the lamp react when electricity charges up the mercury gas creating very bright light. The voltage drops to keep the flow of electricity to the lamp.
The symptom of a bad ballast is that you could hear a constant CLICKING or electrical BUZZING sound,my recomendation is to take out the lamp to physically check for any sings,(shatter fillement,black or grey spots in the fillement or smoke ) you can get good deals at http://www.discount-merchant.com/?click=52978
Please keep us posted,

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Please buy Sony original lamp for TV safety and avoid aftermarket/ cheaper lamp.

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Sony wega kf-42sx300u


I have highlighted the 2 areas where there are finger screws that need to be removed to access the lamp. It is a bit tricky the first time the cover is removed but, once done you will have access to the lamp door. This is the same as model KF-42WE610 sold here in the United States. If the lamp has never been replaced than that is the suspect. Anymore questions you can email me at tvtek(@)msn.com
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