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None of the imputs work except for the DBS. I can get picture in PIP split screen and in the small screen in the set-up menu but, all I get is a blue screen when I try to go full size. Any ideas? TAHNK YOU!

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  • pkrmgr Jul 22, 2009

    Hi again!

    I do get picture full screen from the DBS imput.

    Is this also on a seperate tuner?

    Thanks again.


    PS this is a Mitusbishi WS-55857 TV

  • pkrmgr Jul 23, 2009

    Dear Benjamin:

    I have my Direct TV hooked up to the DBS imput.

    I tried to hook the DIRECT TV into another imput and got no picture.

    So the DBS is a seperate tuner and I need a tuner for the other imputs?

    THANKS again.


  • pkrmgr Jul 23, 2009


    I got my monies worth.


  • pkrmgr Jul 23, 2009

    I really appreciate the help.
    I am 100% satisfied.



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The screen goes blue when you lose the video input to the videoprocessing circuits. So, you have either lost input from the source orthe tuner has failed in a situation like this. Since you don't get anything from the inputs then it sounds like your main tunerwent out. You have a second tuner for PIP, which means your tv has a main tuner and a pip tuner. You didn't indicate whether you get sound or not but I bet you get sound with PIP. So replace the main tuner and you should be set. Let me know how this turns out.


Posted on Jul 22, 2009

  • Benjamin Patri
    Benjamin Patri Jul 23, 2009

    Whatever you have hooked into the DBS should have its own tuner which is why it isn't having a problem. What is it that you have connected?

  • Benjamin Patri
    Benjamin Patri Jul 23, 2009

    The Direct Tv is its own tuner and the DBS is separate from the rest of the system which is why everything else is not working besides PIP, so yes, the main tuner just needs to be replaced and can be ordered from the manufacturer or found online at various websites selling tv parts.



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