Mitsubishi WT-42313 42" Rear Projection HDTV-Ready Television Logo
Richard Lawson Posted on Jan 20, 2010
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TV HAS HAD RED SHADOWS AROUND THE BOTTOM OF THE SCREEN FOR A FEW WEEKS, THEN IT SHUT OFF ONE DAY ABOUT 20 SECONDS AFTER BEING TURNED ON

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  • Mitsubishi Master 3,459 Answers
  • Posted on Jul 03, 2010
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Projection TV sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the video to look normal. When its out of alignment the video will look 3D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the TV menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired.

This is a very common failure on these projection sets and a fairly simple DIY fix. All projeciton 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
  • May have shadows
  • 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 photos of convergence problems.

TV HAS HAD RED SHADOWS AROUND THE BOTTOM OF THE - 42d3683.jpg
TV HAS HAD RED SHADOWS AROUND THE BOTTOM OF THE - 7859b01.jpgsrc="/uploads/images/78TV HAS HAD RED SHADOWS AROUND THE BOTTOM OF THE - e87380c.jpgalt="7859b01.jpg" class="h_mi" />

e87380c.jpg
Here is a quick test....

Using your original remote go-to the settings menu then goto the convergence section.

Try to adjust the red and then the blue convergence.

You should be able to move RED and BLUE in all directions - up, down, left, and right. And you should be able to get the grid straight.

If you can't move them in all directions or cant move them far enough your convergence chips are bad and should be replaced. This is a common problem.

Note: If you TV has as flash focus or magic focus button only try pressTV HAS HAD RED SHADOWS AROUND THE BOTTOM OF THE - 69189a5.pngton. If it fails to fix the convergence your need to fix it. See below for a fix

69189a5.pngCONVERGENCE SOLUTION

You will need to replace the convergence chips and possibly some convergence resistors and pico fuses.
This is a a fairly easy DIY job if you are handy and can follow directions. You can get complete repair kits from TvRepairKits.com or click here. They have put together DIY repair kits that include the OEM parts and step by step photo instructions for each repair. If you are not handy or can't follow directions we would suggest calling a shop.

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These blinks [flashes] are fault indication (Error Codes). From the number of blinks occur at one time switch ON, you can get an idea about the faulty circuit section inside it. This will make repair easy. These are called blinking codes. Make sure about the exact number of blinking of the standby/power LED, by switching On & OFF the set, for at least two times. Count it carefully. If you wish to get some details, check the site linked here. It has details about blinking codes, and fault locating procedure, to many popular brand TVs and other devices.
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Good day!!!I i had problems with the fl 231 fuse on my RCA D52W23 proj.tv....i...

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5 when you get the tray up the bottom side of the board can be accessed
you will now have to unsolder that fuse. one side of this fuse is under a plastic part of the tray. i have found the easest way is to cut away the plastic to get to it. if you dont want to do this you will have to remove the board. only remove half of the plastic brace
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7 RESOLDER FLYBACK CONNECTIONS simply heat up and add a little solder
8 reassemble set. make sure you examine the set for loose connections.
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Dear Mrs Burger,
I have exactly the same problem with my Thomson, have you solved your problem yet? If so, what was wrong with your tuner?
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Good Day, christenand;
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