Question about Mitsubishi WS-55809 55" Rear Projection Television

6 Answers

Problem with Mitsubishi 55 in. Rear Projection Television

Started today out of the blue. When you turn the tv on, the picture flashes on and off. It shows a solid black screen in between the flashing picture. This continues for about a minute or two, and then the tv works fine. Also, during this time the tv will not turn off with the remote or on the front of the tv. Any suggestions? Thanks!

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  • emters Dec 02, 2008

    I just remembered that a few months ago the picture turned to a black and white picture a few times. When I turned the tv on and off, it came back on in color.

  • emters Dec 09, 2008

    It worked fine for a few days and now it will start flashing after it has been on for a few hours. I read some where about the being two different cycles-one that bshows color and one that shows black and white alternating. Could this have something to do with the problem?

  • emters Dec 09, 2008

    Hitting the tv doesn't affect it. Pushing the reset seems to make the problem go away for about a day or two.

  • emters Dec 09, 2008

    No flashing lights.

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Sounds like you need to have the flyback on the circut board replaced! this is a commen problem and shold not cost much to replace! Warning High Voltage!

Posted on Dec 09, 2008

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You will need to have a service man come in and remove the dust that gathers. They are dust 'magnets'!! The dust will lead to a host of probs. Good thing you are not letting it go too far! Frankster016

Posted on Dec 02, 2008

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Try hit the set when it goes off and if it comes back when you hit it, than I think may be its something to do with the main board with loose components or coldsolder and needs resoldering.cheers

Posted on Dec 02, 2008

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  • Master
  • 6,966 Answers

Hi and welcome to FixYa,

Initially, pls post back for any other indicators such as a flashing LED on the front panel, or the timer. Normally they would flash a certain number/sequence. This would tell us the general area of the fault. If none, would there be a clicking sound coming from the rear? Could you try to press and hold both the menu and input buttons at the same time and note light flash sequence.

Just a start, do postback how things turned up or should you need additional information. Good luck and Thank you for using FixYa.

Posted on Dec 01, 2008

  • Louie  Role
    Louie Role Dec 04, 2008

    Hi again,



    Any updates or developments so far?





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  • Master
  • 734 Answers

Hi,There is a problem in a condenser that supplies more power at to start your Rear Projection…. Need to be replaced as by any service engineer.
Thanks for using FixYa.  


Posted on Dec 01, 2008

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  • Master
  • 495 Answers

Check if there is any loose connection in the TV circuit. It normally occurs when TV circuits are loosened. Also check for warranty of your picture tube.

Posted on Dec 01, 2008

4 Suggested Answers

  • 453 Answers

SOURCE: blue Convergence

go to main menu , selet advance setting , after that there is another menu where u going to find a convergence ajustment , select convergence adjustment , than choise blue , than after u access to blue color press the audio boton to do the blue , if u can't muve the blue color u going to have a repair service maybe ur stk or convergence ic are bad

Posted on Jan 16, 2009

welcomejee
  • 10594 Answers

SOURCE: blue cloud

That's OK, I been provided you technical info about TV problem.

Posted on Feb 03, 2009

  • 4 Answers

SOURCE: Blue Line acroos bottom - 55' Wega rear projection TV

turn down the picture level the blue line goes away

Posted on Dec 03, 2009

SD Tech
  • 14553 Answers

SOURCE: Problem with the Mitsubishi WS-55315

ONLY1 of 2 things can cause this problem----

First thing to do is remove front speaker grill--it should pull out and issecured with plastic pegs--behind it you will find an inspection plate---

Notice the one or two pairs of wires coming from the front keyboard of theset---remove the inspection plate and follow the wires to the right--you canunplug both plugs(most have two and they are marked with letters and differents so you cannot get them wrong)

The idea here is to remove the front keyboard with its reset button etc fromthe circuit---You will still be able to try to turn the set on with theremote---

These sets have a Receiver that is called a DM board--(large metal box to theleft as you look from the back) and if the power goes out the green light willblink for about 70 seconds and then go out---it is the Receiver booting up. Itis called the DM board.

If disconnecting the keyboard allows the set to turn on--you have a bad resetswitch and two choices---either operate the set only with the remote or toremove the front screen and get at the reset switch (it is tiny) and removeand/or replace it.

If disconnecting the keyboard does not restore the set to operation---thereceiver is bad---there are 4 or more caps and some pico fuses that can fail inthat unit---Mitsubishi no longer sells or repairs these--if it is bad and notthe caps there is a company you can send the unit to and have it repaired--ifyou need to know their name let me know---

You can call them and get a quote for repairing the receiver.


Let me know what more information you need--I am here to help.


SD TECH

Posted on Sep 21, 2011

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