Question about Mitsubishi WS-55907 55" Rear Projection Television

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The image is distorted. Both the top and bottom of the image bows inward--it's not a rectangle with four straight sides. If the TV has been on for awhile (at least an hour?) sometimes the problem corrects itself. What might be causing this?

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  • Mitsubishi Master
  • 1,212 Answers

You have bad convergence ICs. There are two of these and replace them using the same stock number. You will have to inspect and measure resistors and replace as needed. Please see TVRepairKits.com. They may have a repair kit for you!

Posted on May 09, 2010

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Posted on Jan 02, 2017

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Picture is distorted......bowes inward. Colour is


This is a very common failure on these projection sets and a fairly simple DIY fix. All projection sets including Samsung, RCA, Sony, Philip Magnavox, Panasonic, Pioneer, Akai, GE, JVC, Toshiba, and others at some point will have the same problem.

Common Symptoms include....


  • Screen looks 3D
  • Colors don't line up
  • One or more colors can't be adjusted when using the convergence menu.
  • Screen is bowed or warped.
  • TV shuts off after powering on. Power light will blink. TV may also make a chirping noise.
Here are some pics of convergence problems.


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69189a5.pngSOLUTION #1

For more more examples and find a fix using this link on Fixya http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Common Problem #2) CRT Fluid is Cloudy

Projection TV tubes have a liquid coolant that is used to keep them from overheating. After many years the coolant in the blue and green tubes will become cloudy and cause the screen to look dull, red/orange, etc. You may even see halos around images.

Picture of a set that needs the fluid changed.

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TV set after fluid change

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69189a5.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

Apr 21, 2011 | Sony KP-57WS500 57" Rear Projection...

1 Answer

How to get an undistorted picture without cropping. This is an Olevia, and it is not listed below.


I assume you have a wide screen tv? most TV show are broadcast in a square (4:3) format, on a wide screen television the screen is rectangular, so to fit the square picture on the rectangle screen you have to either crop the top and bottom, or stretch and distort the image. the only real solutions are either to watch everything in the 4:3 format (leaving the sides of your screen blank), or subscribe to HD which will broadcast most programs in a wide screen format with out distortion.

Sep 14, 2010 | Televison & Video

1 Answer

Picture problems


check for cold solder joints around the flyback transformer and a open pico type fuse very close to it. they are rectangle in shape and ususually the one in the middle of the three is the culprit. The problem is in the pincushion circuit

Jan 08, 2009 | RCA D52W20 52" Rear Projection HDTV-Ready...

2 Answers

Concaved distorted picture in 1080 Mitsubishi 65" TV.


This is a convergence rpoblem that is either bad connections on the pins of the convergence ICs or defective ICs. If you can solder and are comfortable working inside TVs where there are potentially dangerous high voltages, let me know and I'll provide additional details and instructions for fixing this yourself.

Dan

Dec 11, 2008 | Mitsubishi WS-55807 TV

1 Answer

Toshiba CX32G60 1/2" vertical inward bow center of video


change the electrolytic capacitors in the vertical section of tv. you do need a qualified tv tech to do this repair for sure

Nov 30, 2008 | Toshiba MW27F51 27 in. TV/VCR/DVD Combo

1 Answer

Philips 46-inch Rear Projection with bowed image?? slight distortion



You have a convergence problem. Here are some of the most common symptoms. 

Screen looks 3D
One or more colors can't be adjusted when when using the convergence menu. 
Screen is bowed in but stationary.

Solution: 
You need to replace the convergence chips and convergence resistors. Check the site www.TvRepairKits.com. They have put together a kit for your exact model. The kit inlcludes a photo instruction guide, original Sanyo STK chips, convergence resistors, etc. Everything you need to fix it yourself. Its an easy fix. 

Jul 02, 2008 | Philips 46PP9302 46" Rear Projection...

1 Answer

Slight bowing of picture


Only on newer TV's, yours (I dont think)has the adjustment, if it does it would be in the menu area.

Apr 22, 2008 | Sony KV-36XBR450 36" TV

1 Answer

Distorted Screen for RCA HD56w66


convergence is the problem. first question do you have convergence in the customer setup menu. if you do not it could be a special small fuse if you do have "convergence" in the setup menu then you most likely have a convergence power board issue. and generally they are replaced. in our shop such board replacement average 124 labor and about 100 for part. if the fuse bout 15 for part and 80 for labor. there are solder connection that cause the blown fuse

Feb 20, 2008 | RCA HD56W66 56" HDTV

1 Answer

Bowing image top and bottom of screem


No im sorry there is nothing to do but replaceing the convergence IC

Oct 30, 2006 | Toshiba 55H70 55" Rear Projection...

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