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Mitsubish WD 65638 fuzzy/blurry

I have a Mitsubishi WD 65638 and just came in and turned it on and the center of the screen is "fuzzy". i notice that on the outsides of the picture its fine. Just the center. Any suggestions on what it can be?

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  • Televison & ... Master
  • 3,180 Answers

Is the menu coming up the same. as it can tell you a lot if it is not. fuzzy screen in the middle could be the mirror has come away from the back or there is a build up of dust on the projector or projector light. it could also be one of the camber mirrors in side the projector has come loose or discolored. if the menu comes up ok then it is the avi board control chip as the projector is separated from the other boards and it gets its signal from this.

Posted on Oct 22, 2013

  • 4 more comments 
  • Michael Curbow
    Michael Curbow Oct 22, 2013

    The Menue is the burry as well (toward the middle). Could it just simply be the bulb? I find it odd that one of the mirrors have moved because i have not touched the TV and it was fine 2 hours ago. Anything is possable i guess.

  • Michael Curbow
    Michael Curbow Oct 22, 2013

    Menu

  • Michael Curbow
    Michael Curbow Oct 22, 2013

    wow.... All sorts of spelling errors, my apologies.

  • Michael Curbow
    Michael Curbow Oct 22, 2013

    I DO notice the screen "dimming/flickering" from time to time

  •  Russ Hill
    Russ Hill Oct 22, 2013

    that can be the bulb. but also the dlp chip have had spots or large square just randomly appear on the scree as this is the most common way they start to show it is falling., dpl chip will also go this way in the middle of the screen as that is were most of the heat hits it from the bulb. falling fan is the cause but when this happens the chip is damaged its just lice and lcd screen but only and inch long. the light reflects out of it as the picture ...

  •  Russ Hill
    Russ Hill Oct 22, 2013

    sorry getting tired. in uk

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6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

premtech
  • 934 Answers

SOURCE: 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!
Bill

Posted on Nov 29, 2007

SOURCE: 1/2 the screen is blurry

Starting on the 16 Jan, I have the very same problem with my TV..

Posted on Jan 19, 2008

Shuttle83
  • 1139 Answers

SOURCE: Blurry/Fuzzy Picture/Double Vision after power outage

Hello stevenkgray and ADIMEN,

I think what has happened is the your TVs are out of focus which could be due to a voltage problem. First I would warn you that this is a problem in the High voltage section of your TV and caution should be taken, in fact I would suggest that if you do not have a background in electronics that you get the TV checked and fix by a qualified TV repair technician. However if you do have a background the next few lines will make sense and you might be able to effect these repairs yourself.

Items needed for troubleshooting:

Schematic Diagram
Multimeter
High Voltage probe (40Kv)
Universal Video Analyzer (UVA)

1) Unplug the TV and take the back off of it

2) connect the UVA to the tuner F connector and setup the UVA to send a test pattern into the TV

3) Power the TV back up and turn to the channel set on the UVA

4) check the anode voltage on the CRT with the HV probe (connected to the Multimeter set to volts and grounded) and compare it to the voltage on the schematic.

5) If the voltage is not right adjust the focus and screen controls on the Integrated High Voltage Transformer (IHVT) to obtain the proper voltage.

6) Check the pattern to see if it is still fuzzy.

If the pattern is still fuzzy you may have to inspect/replace the IHVT and or its associative circuitry.

If you suspect that the IHVT is bad you can perform a ring test on the transformer using the UVA. (The instructions on how to do this are on the UVA quick steps pull out. or the instructions can be looked up on the web.

I hope this helps

Thank you,

Shuttle83

Posted on Jul 04, 2008

Ecollier2012
  • 3459 Answers

SOURCE: My panasonic big screen screen has shadows and fuzzy picture

Your TV most likely has one or more possible problems.

Problem #1: Convergence Chip Failure ( common problem )

Here are some of the most common symptoms and example photos of a convergence problem

  • 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.
701cb04.jpg
77ea520.jpg
f0900cb.jpg
Here is a quick test....

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

Try to adjust the red and then the blue convergence.



You should be able to move them up, down, left, and right.

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

2c07611.pngSolution #1

You need to replace the convergence chips and convergence resistors. Check the site www.TvRepairKits.com. They have put together a kits for most models. If you don't see a kit for your set send them a quick note and they will put one together for you. Their kits include a photo instruction guide, original OEM Sanyo STK chips, convergence resistors, pico fuses, etc.


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.

578ba6c.jpg
TV set after fluid change

65af323.jpg

2c07611.pngSolution #2


What you will need to do is replace the coolant and clean the crt. You can get a repair kit from www.TvRepairKits.com that includes replacement coolant, photos. instructions, etc.

Posted on Mar 26, 2009

  • 2 Answers

SOURCE: Mitsubishi WD 62827 pictures flashes colors

TAKE THE BACK OFF AND LEAVE IT OFF . NOW TRY IT. IT WORKED FOR ME STRANGE BUT IT WORKED

Posted on Nov 18, 2009

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