Question about Mitsubishi WS-55809 55" Rear Projection Television

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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337 Answers

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

Anonymous Oct 13, 2006

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Can dust build up on a picture tube's circuit board cause them to overheat and shut the tv down.

dust will not cause an issue like this in this type of set--RCA? it means a short of some type exists and the set shuts down or blanks the tubes--all you have described as far as appearance is normal.

RCA sets like this can be difficult to repair and also if you Google the model number you will see they have a lot of "problems".

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I have an rca hd52w59 projection tv. When I was watching it the other day the picture became distorted. Now when I turn it on, I have what looks like an upside down rainbow at the top of my screen. Bowing...

mcnamara724,

Bad convergence circuit. See my tip at http://www.fixya.com/support/r4220499-change_projection_tv_convergence_ics for repair help.

Thanks for using FixYa and for the great rating.

hardrocko

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Tv started to shut off here and there, then the

Hi,samsung has 3 major failures.The 1st one is the lamp, which averages 6000-8000 hrs 2-4 yrs.When it's about to go bad it shuts off and on or image won't come at all.You can find your part here:http://www.discount-merchant.com/SearchResults.asp?Search=BP9601472A Another problem that causes tv to shut off is the ballast,which is the board that powers the lamp.It makes clicking sounds and will cause pic to flicker.The other problem is the color wheel .The color wheel is a rotating disc that has a gamma of colors it spins at high rpms.The light of the lamp goes through it to create the colors on your tv.When it starts to go bad you will get color distortion ,black and white picture and sometimes you will hear humming noises.Have a bless one!

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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
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SOLUTION

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:

Problem #2 CRT Fluid has clouded over.

Symptoms

Dull Video, Washed out
White/Bright looking video
Halos around objects
Red/Orange looking

Example Photo:

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

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

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Colors became distorted, then it shut off

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Colors became distorted, then it shut off

1 Answer

Anonymous

Add Your Answer

Attachments: Added items

Related Questions:

Keeps shutting Down

Can dust build up on a picture tube's circuit board cause them to overheat and shut the tv down.

I have an rca hd52w59 projection tv. When I was watching it the other day the picture became distorted. Now when I turn it on, I have what looks like an upside down rainbow at the top of my screen. Bowing...

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