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We have a wt-42315 which appears to been a convergence chip replaced. Can we do this ourself or need to have a repair person to do it?

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Replacing a convergence requires a skilled person to do it convergence chips are expensive and must be install with caution there are some test point to consider before replacing the chips..failure to do it will result the new installed chips to blow..

better to ask the service center or electronics technician to do the job!

Posted on Jan 04, 2011

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Red color shifting and ghosting on my wt-42315


Tv have a problems known as a convergence picture problems,it is dead.Tv have R,G,B colors lines mis alignments,have colors pictures shadows or 3D pictures look alike?Yes,than the tv convergence board have dead parts like 2 STK convergence ICS and some or all of it resistors too.These parts on the tv convergence board must have be replaced to solved the tv convergence picture problems.The shop will cost u like $300-350 for parts and labors.

Jul 07, 2011 | Mitsubishi WT-42315 42" TV

1 Answer

My Mitsubishi WT-42315 is almost like watching tv with 3d glasses on with the way the colors all seem split. Once in a blue moon it won't do it. But only for like a minute or so. What can I do to try and...


projection TV sets have two very common problems. One is convergence ( 3D/Warped video) the other is CRT fluid ( Dull Video). Here are more details and solutions for both.

Common Problem #1) Convergence has gone out

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 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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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

Jan 22, 2011 | Mitsubishi WT-42315 42" TV

1 Answer

The red and blue colors are way off i tried to converge adjust the colors no results


Ur tv have convergence problems,it dead.Any colors misaligns,3D pics,shadows pics.The tv convergence board must have it the 2 STK convergence ICS and some or all it resistors are dead,must be change to solved convergence problems.The shop will cost U $300-$350 for parts and labors.

Jun 11, 2010 | Mitsubishi WT-42315 42" TV

1 Answer

Mitsubishi WT-42315 42" TV has a red/Green color seperation


you need to replace the convergence chips, i had this done about a year ago and costs 450.00 usd
good luck

Jan 10, 2009 | Mitsubishi WT-42315 42" TV

2 Answers

Wt-42315 convergence problem


There are two possibilities here:

1) There are poor solder connections at the pins of the convergence ICs.

2) The heat sink compound has failed behind the ICs and they are failiing due to heat.

If you can solder, try resoldering the pins on the ICs first. These are large black ICs attached to a large heatsink and will be marked STKxxx. Also, remove the screws holding the ICs to the heatsink and see if the compound behind the ICs is still there. If not, add some.

Update this with your results.

Thanks,
Dan

Oct 14, 2008 | Mitsubishi WT-42315 42" TV

1 Answer

Convergence board


YOU WILL NEED PROFESSIONAL HELP THIS IS NOT A DO-IT-YOURSELF JOB. SORRY

Jun 01, 2008 | Mitsubishi WT-42315 42" TV

2 Answers

Mitsubishi WT-A42


I repaired a convergence problem on this model by locating IC8C01 and IC8C02, the two large convergence chips on the main pcb(center board) and solder all the leads making sure not to leave any solder bridges! The unit was over 4 years old and used often. Those chips get pretty heated and make the solder brittle and crack around the leads.

Dec 30, 2007 | Mitsubishi WT-42315 42" TV

1 Answer

WT-42413 continues to shut down. Need to wait 15 minutes to restart


End of year Followup: 2004 TV I swapped for is still working great. No issues of any sort.

Happy New Year,
Don

Jan 01, 2007 | Mitsubishi WT-42315 42" TV

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