Question about Mitsubishi WS-55511 55" Rear Projection Television

2 Answers

Vertical green line on left side of screen rear projection tv

On sunday Dec 23 we had a power flucuation and today when I turned on my tv a vertical green line on left side of screen appeared.


it is a Mitsubishi 55 inch model WS55511

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  • Twmackey Dec 28, 2007

    where would I find the fuses

  • Twmackey Dec 28, 2007

    Please send the instructions



    Tom

  • Twmackey Dec 29, 2007

    twmackey@aol.com

  • Twmackey Jan 05, 2008

    It was the convergence that failed, the technitian said that when he took it apart the capitors all fell out because of the heat. The cost was $488.00 to get it fixed. The picture hasn't been better. He said the epoxy that hel them in was not good on the earlier sets but the new generation epoxy should be better. I thought they were solder in. The second thing is there is no fan in the rear of the tv to disapate the heat. My brother has 42 inch Rear Projection and his has a fan on a thermastat that game as factory built in. Would a fan be advantagious?

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It may be the beginning of convergence failure. IF so, it will eventually fail totally and you will be faced with a $400 repair.

But, could be something less severe. I cannot guess precisely because there are many possibilities and only way to tell would be taking voltage and other measurements in search thereof.

It could, for example, be the convergence lines crosstalking into the video signal. Transistor switch somewhere in the system may need changing. It would require testing to find out.

If you do have an extended warranty policy it should be covered under that, so check that angle out before the police expires.
It will be a convergence issue, probally needs green convergence board repaired/replaced

Posted on Dec 28, 2007

  • Soulvisitor
    Soulvisitor Jan 06, 2008

    Fan couldn't hurt, they are soldered in as well as epoxy due to hi temps being reached on components, thanks for rating me not. but I was right "It will be a convergence issue"

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  • Master
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Fuses may have blown out i think..

Posted on Dec 28, 2007

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  • dewan nafees ahmed Dec 28, 2007

    ignore my previous post please..

    If you are handy, and can solder, you may be able to save about 700
    bucks if not more. There is a very common problem with these Mitsubishi
    TV sets. There is a digital board inside these puppies called the DM
    board. A lot of times there are four capacitors that go bad inside of
    these TV sets. Sometimes, depending on how bad the capacitors are, and
    if the capacitors did not blow out anything else on the Dm board, you
    can simply replace these four capacitors and this will fix your TV set.
    The average that this works on is about 65 to 70 % of the sets can be
    repaired with this fix. The others are power supply issues or the DM
    board has other issues. If you would like to attempt to repair your TV
    set, you will have to do at your own risk

  • dewan nafees ahmed Dec 28, 2007

    If you would like to attempt to repair your TV set, I will send you the
    instructions on how to do so. If you do not know how to solder well,
    do not attempt to replace the capacitors yourself. Pay a pro to do this
    for you. After all you are already saving a bundle of cash. Leave an
    e-mail address, and I will forward you the fix with and without the
    light engine. And if the capacitors inside the board are not swollen on
    the tops, as the direction shows you what they look like, change the
    capcitors anyway. I have had a few that looked good but the capacitors
    were on their way out. Good Luck

  • dewan nafees ahmed Dec 28, 2007

    Look around on the boards for capacitors that look like the tops are
    swollen, or they may have a black goo coming out of the bottom of them.
    If you cannot see anything obvious, I'm afraid it will most likely be a
    repair for the service center. Good Luck

  • dewan nafees ahmed Dec 28, 2007

    i have detailed manual that wil be highly useful for you to solve the problem by yourself.

    if u need it i shall forward it to your mail ID.
    reply soon

  • dewan nafees ahmed Dec 28, 2007

    ya i can send it only if u give me your mail ID??
    u dint mention it sir..

  • dewan nafees ahmed Dec 31, 2007

    instructions sent long back. but no feedback?

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http://www.chrisandnat.com/Projects/BlinkingTV/blink.htm
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Ed
NC Electronic
Mills, Wyoming

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