Question about Sony KP-43HT20 43" Rear Projection HDTV-Ready Television

1 Answer

The tv looks too dim. you have to stand right in front of it to see the picture but it still looks dim.

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  • michaellozan Aug 20, 2010

    hey SD Tech thank you so much! I'm going to try what you told me to do right now.

    but my tv has another problem: it turns off after 5 minutes.

    someone gave me $20 to throw this tv away for them and since i can't afford a tv i brought it home hoping to be able to fix it. i can't believe i found someone who is willing to help for free! i really appreciate your help. if i get it fixed i would like to pay you somehow. is that possible?

  • michaellozan Aug 20, 2010

    the person who gave it to me told me that it needs a new spark plug???

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  • Sony Master
  • 14,553 Answers

Other than a circuit problem it may be dirt or dust on the lens. The model indicated has 3 picture tubes.

If you unplug set and remove back cover you should be able to see and reach the large black lens dead center and above the circuit boards. If the lens are very dirty the picture will be dark and dull looking.

There is also at inside top back of set a mirror--if it is dusty or has grime on it, same thing--not as easy to get at but with back off you can use a small mirror to examine it.

Clean the lens with a lens cloth or a paper towel with glass cleaner sprayed on the towel.

With back off, 2 minute job and if picture now much brighter, you are in business. Lens, depending on how much dust etc in your area should be cleaned one time a year or more-----do it yourself job and easy.

If this told you something you did not know, rate this solution as very helpful as I do this here for free.


SD TECH

Posted on Aug 19, 2010

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  • 9 more comments 
  • SD Tech
    SD Tech Aug 20, 2010

    set does not have a spark plug, ha.

    If it shuts off on its own watch the power light as most of these sets use it for error code; count the number of blinks--like 8 blinks, pause 8 blinks etc.

    SD TECH

  • michaellozan Aug 23, 2010

    I just turned on the tv and it turned off after 5 minutes but the power light remained off. I did start hearing a clicking sound coming from the back of the tv about three minutes after the tv turned off.

  • michaellozan Aug 23, 2010

    I just turned on the tv and it turned off after 5 minutes but the power light remained off. I did start hearing a clicking sound coming from the back of the tv about three minutes after the tv turned off.

  • SD Tech
    SD Tech Aug 24, 2010

    From bad to worse? Does the power light blink a sequence of blinks?

    Set is in shutdown and lots of reasons for this to happen.

  • michaellozan Aug 24, 2010

    is it worth fixing?

  • michaellozan Aug 24, 2010

    the power light did not blink a series of blinks

  • SD Tech
    SD Tech Aug 24, 2010

    Let us not give up so fast. Do you have Yahoo Instant message?

  • michaellozan Aug 24, 2010

    no but i can create one quickly. what's your id ?

  • michaellozan Aug 24, 2010

    i just downloaded the yahoo messener. my id is michaellozana@rocketmail.com

  • michaellozan Aug 24, 2010

    i opened up the back of the tv and there's a lot of dust. i mean a lot.

  • michaellozan Aug 25, 2010

    my y id is michaellozana

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