Question about Mitsubishi WD62628 62" Projection HDTV

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Mitsubishi WD-62628 Projection TV Failure

This unit is only displaying 1/2 screen (right side shows with a vertical line at mid-screen, the left side of the screen is blank). Any recommendation for repair?

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Re: Mitsubishi WD-62628 Projection TV Failure


The DM board is the one with the digital connectors on the back panel. If you already have it appart, you may as well check the caps on all of the boards. The caps that go bad are typically Jamicon brand caps in 1000 uF and 330 uF values. There are also a couple of 3300 uF caps in the PS that cause problems.

Posted on Jan 08, 2008

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Does the wd62628 have a factory reset button?

should be in the manual. Or you can look on line for Mitsubishi model wd62627 owners manual download.

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There is a line right in the middle of the tv going vertically.. the left side is fine but the right side is like 3d tv.. why is that.. Model # WD-62628--- S# 117086... Mitsubishi

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 photos of convergence problems.



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 pressing the button. If it fails to fix the convergence your need to fix it. See below for a fix


You can see some more examples and find a fix using this link on Fixya

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The capacitorson the FMT board have failed, which will cause that symptom. Is the menu screen clear when you hit menu?

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Vertical lines on Mitsubishi 62" DLP

the DM and/or the FMT board are going bad. the chassis needs to be rebuilt. check out

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Vertical Lines on my 3 year old WD-52725

I believe the format, or FMT board is going bad. this is not a do it yourselfer type repair, unless you have extensive electronics background - I have one myself with the same problem. I am waiting to get a new FMT board for mine.

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Mitsubishi WD-62628 power shuts off!

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Vertical line down the center of screen

A WD62827 is a V30+ chassis and is a DLP format projection screen Tv, not a flat screen, am I missing something?? For the symptoms you're describing with a WD62827 remove and reseat the DVI cable between the chassis and optical engine. If removing and reseating the DVI cable does not resolve the issue you may need to replace the Optical Engine part # 938P019020
BTW the current software version for this unit is 7.04.1F if you have anything less you might think about updating the software also..
Hope this helps!

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