Question about Mitsubishi WS-55809 55" Rear Projection Television

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Colors became distorted, then it shut off

For several days the colors would jump out of line for a couple minutes and then they would straighten up. After several times of this happening it shut off and now it wont turn on. When you hit the power button to turn it on, it shuts back off before the picture even comes on.

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Your tv has two problems showing up at the same time,the convergence IC's have loose conections in some of the conecting pins,the Ic's are mounted on heat sinks and can be identify by the markings on its face STK--- ---,3 letters and 6 numbers,one IC for each color,this pins need to be resoldered as well as any other loose conection or overheated areas in the board. The shutdown problem might be a resistor next to the output transformer,its value should be .47 ohms but it might measure open right now,the resistor is at the back edge of the circuit board on the right witch is the deflection board.If you are familiar with tv service you have a place to start but if you are not too familiar be safe and call for assistance from a servicer.Let Us know how it goes.

Posted on Oct 13, 2006

  • Omar Urrutia
    Omar Urrutia Oct 13, 2006

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Posted on Jan 02, 2017

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Picture was fine, then lines diagonally, now light


Projection sets have two very common problems outlined below.

The first common problem is convergence

These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. This is called convergence.

When its out of alignment the video will look 3-D, wavy, distorted, etc. The TV can also shut down when the convergence starts to fail.

Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

Convergence problems are very common on all Projection TV sets including Sony, Samsung,JVC,Philip Magnavox,Panasonic,Akai,Pioneer, Hitachi,Mitsubishi,Zenith, RCA and others.


You can more info and a DIY convergenece repair kit with instructions from TV Repair Kits using the link at the end of this article.

Here are some of the most common problems with these sets...

*Screen Looks 3-D
*Colors wont align
*Screen may look distorted or warped or bowed
*No Audio/Video - TV Shuts down - May also make a constant chirping sound

Problem #2 - Another common problem is dull or washed out video.

Your set may have one or more of the following symptoms....

*Dull looking picture
*White looking picture
*Halos around objects
*Red/Orange looking picture

bb0cf99.pngSOLUTION

You can see some more examples and find a fix using this link on Fixya

http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

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S.O.S anyone out there


Projection TV sets have several common problems listed below.

Problem #1) Convergence

Symptoms:

  • Screen Looks 3-D
  • Colors wont align
  • Screen may look distorted
  • No Audio/Video - makes a chirping sound.
Example Photo:
5f6e85c.jpg
Problem #2 CRT Fluid has clouded over.

Symptoms


  • Dull Video, Washed out
  • White/Bright looking video
  • Halos around objects
  • Red/Orange looking
Example Photo:
ee1ca68.jpg

You can see more examples and find a fix here...

bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

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