Question about Mitsubishi WT-46809 46" Rear Projection Television

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FOR some reason our big screen keeps seperating the three colors, greeen red and blue. Every now and then they will line back up and the screen will clear up but it will jump back and forth all the time, please help.

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Sounds like you have loose solder connections on the convergence ic's. If you have a soldering iron and solder then it will be an easy fix. There are 2 convergence ic's, and they will be mounted to large heat sinks. When you get the back off of the tv, you can tap around on the boards with the handle of a screwdriver or anything else nonconductive and see if it will act up. You may even try banging on the side of the set w/ your hand to see if it acts up. If it isn't loose connections, then the ic's will need to be changed, and possibly some resistors.

Posted on Sep 02, 2010

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Sitting here watch tv and suddenly the picture went warped and discolored. Picture looks like the colors are seperated. blue green and red.


Your TV has convergence chips that need to be replaced by a tech. These keep tour red green and blue lights in sync with one another in order to give you a sharp color picture. When they fail your colors seperate.

Nov 07, 2010 | RCA D52W23 52" HDTV CRT TV

1 Answer

I have a 60 inch Philips tv and the picture is kind of blury and a little red. What is tha caused from?


THREE possible reasons for this:
I will list each and describe for you:

1.) If redish picture go to a black and white channel; is the screen somewhat red or black and White? This is adjustable from inside the set.

2.) If colors are skewed or look like they have a red outline it may be a convergence problem. See attached photo.

3.) Some of these sets develop a problem with the coolant which is used to keep the face of each of the three tubes cool; it is called Glycol. You would have to remove back cover and with set on look into each of the three lens (red,green,blue) to see if you have a clear red, green and blue picture.

Which best describes your problem?

SD TECHf0b8356.jpg

Aug 10, 2010 | Philips 60PP9352 60" Rear Projection...

1 Answer

Looks like some kind of color seperation


Three d looking etc means a convergence problem.

If you go into the customer menu and select convergence and then advanced look to see if blue or red are skewed and or will NOT adjust in some area.

If this is the case I have start to finish and step by step instructions for this repair that I can post here for you.

Total parts cost will be under 30 dollars from a seller I use on EBAY.

LET me know if you have any questions.

SD TECH

May 21, 2010 | Mitsubishi WS-55905 55" Rear Projection...

1 Answer

Wavy horizonal disturbance in picture


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. When its out of alignment the video will look 3-D, wavy, distorted, etc. 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, Zenith, and others. You can get a convergenece repair kit wiith instructions from the links below.

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

Problem #1) Convergence

Yours may have one or more of the following symptoms
  • Screen Looks 3-D
  • Colors wont align
  • Screen may look distorted or warped
  • No Audio/Video - makes a chirping sound.
Problem #2

Another common problem is dull or washed out video.
Your TV2_bing.gif may have one or more of the following symptoms....
  • Dull looking picture
  • White looking picture
  • Halos around objects
  • Red/Orange looking picture

You can see some more examples and find a fix here
bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Apr 07, 2010 | Televison & Video

1 Answer

There is just three lines that show red, green and blue.


It has been my experience with Sonys that those three colored lines indicate that the set is having trouble with the data communication lines. The hitch is that a model as complex as that one has as many as five seperate clock/data lines and if any one of them goes down the set will exhibit your symptom. It will take a professional to track down which line is causing the problem. I've seen audio output IC's as well as tuners cause the problem.

Jun 03, 2009 | Sony KP-61XBR48 61" Rear Projection...

1 Answer

Spots on picture screen,color not correct


the picture tube has three color production units (bulbs) red, yellow and blue.....since these three colors can be combined to produce almost any color. as you have specified the red bulb might have damaged due to one of the following reasons.
1.continuous usage
2. keeping your tv in standby mode for a prolonged time.
the only thing you can do is call a technician and get your damaged part replaced.
remember please do not try to disassemble the unit yourself.

May 28, 2009 | Panasonic PT-52DL10 52" Rear Projection...

1 Answer

Color doesn't line up


you need to replace both convergence ic's they are located on your D board mounted right on the 2 big heat sinks you should either need STK-392-560 or STK392-510's you can find which one on stamped on the side of your old ic's. you can go to this sight and get them at reasonable prices plus picture installation instructions and free online tech support if you need help. By doing the repair yourself you will save between 4-500.00 for about a 45min repair
http://servicemanuals.vstore.ca/

Apr 25, 2008 | Sony KP-57WV600 57" Rear Projection...

1 Answer

Red Green Blue Across The Screen


Yes, especially big screen. It sounds like convergence is out of lign. Try menu and straighten out, wait until set is warm first.

Dec 06, 2007 | Sony KP-46WT520 46" Rear Projection...

1 Answer

Three seperate colors on Screen


Screen may have a hair line crack in it causing projection to be distorted. Inspect screen very closly with magnifying glass if necessary to insure no cracks. If crack is found replace screen.

May 18, 2007 | Zenith R40W46 40" Rear Projection...

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