Question about Mitsubishi WT-46809 46" Rear Projection Television

2 Answers

WT 46809 I think I have convergence problem. Screen is concave with overlapping colors. Sometimes it stays all day and sometimes just for a few minutes. The set is nearly 6 yrs old. Estimated cost to repair is around $350.00 to $400.oo. Do you think I should junk it and buy a new one? Thanks. OKTT @comcast. net

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  • Anonymous Jan 19, 2008

    Same problem. Repair tech said it was a power supply and $500.

  • jihly Feb 21, 2008

    I am having the same issue!!! I just order the service manual



    it was and intermittent problem but now it is staying that way!! the center is ok but the edges are out of wack!!!



    do ya thing it is the convergence chip?? too???



    Jihly

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I'm having the same convergence problem but in addition the tv wont turn on. it sounds as it will turn on but it inmediately turns off again. Is this a problem that can be fixed?

Posted on Jan 27, 2008

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If you can solder or know anyone who can you can repair this set easily for less than 20.00 All you need are 2 convergence ICs that take less than an hour to remove the old and replace the new ones. If you would like to have a service manual emailed to you for your model. You can buy one at the following link for 10.00 or 12.00 dollars and they will also provide you with free unlimited support to help you with your repair. here is the link.
http://servicemanuals.vstore.ca/

Posted on Jan 25, 2008

  • jdawg99 Jan 31, 2011

    I just got a tv from a co-worker that is doing the same thing. In the service manual that you list can be purchased, does it tell you which ones to replace? I can solder and have a slight mechanical advantage. I would like to at least try to fix it. I just need to know which parts I need to purchase and where to remove/install them correctly. Thanks for the info.

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1 Answer

Screen looks warped


Projection TV sets have several common problems listed below.

Problem #1) Convergence

Symptoms:

  • Screen Looks 3-D
  • Colors wont align
  • Screen may look distorted
  • No Audio/Video - makes a chirping sound.
Example Photo:
5f6e85c.jpg
Problem #2 CRT Fluid has clouded over.

Symptoms


  • Dull Video, Washed out
  • White/Bright looking video
  • Halos around objects
  • Red/Orange looking
Example Photo:
ee1ca68.jpg

You can see more examples and find a fix here...

bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Feb 22, 2010 | Mitsubishi WT-46809 46" Rear Projection...

1 Answer

Mitsubishi problem


This is a very common failure on Projection sets. Its called a convergence problem.

You may have one or more of the following symptoms.
  • 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.
    No Audio / No Video

You can see some examples and find a fix here...

http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Sep 25, 2009 | Mitsubishi WT-46809 46" Rear Projection...

1 Answer

Wt-46809 has convergance issues


Replacing the Convergence IC's should do the trick. But it is not a easy repair do to the disassembly requierments. I would recommend calling Mitsubishi at 18003322119 to get a local service facility to come out and give you a estimate to repair.

Jun 21, 2009 | Mitsubishi WT-46809 46" Rear Projection...

4 Answers

Picture Problem


I have the same situation. Called my repairman, who knew exactly that it needed a "570 kit" . It will be repaired this week. Cost $360

Sep 26, 2008 | Mitsubishi WS-65809 65" Rear Projection...

1 Answer

Mitsubishi wt-46809 not turning on


Your convergence amp ICs have most likely failed and that will shut the TV down. You need to replace both convergence ICs they are both STK392-570 you can get replacement ICs with free instalation instructions at the following link.
http://servicemanuals.vstore.ca/

Jul 18, 2008 | Mitsubishi WT-46809 46" Rear Projection...

1 Answer

WT 46809 Big Screen


Good Day y'all;
When the is picture being intermittent and bowing then the most common problem is that the convergence circuit has failed or is failing. If you don't get fixed, the will go DOA soon.
Good Luck, big IRISH.

May 03, 2008 | Mitsubishi WT-46809 46" Rear Projection...

1 Answer

Picture problem


Convergence circuit repair = replace STK392-570 IC's....
Located on center circuit board on heat sinks................T.

Please rate this solution............

Nov 07, 2007 | Mitsubishi WT-46809 46" Rear Projection...

1 Answer

Rear projection set


Convergence circuit repair = replace STK392-570 IC's........
Located on center circuit board on large heat sinks........T.

Please rate this solution...................

Nov 07, 2007 | Mitsubishi WT-46809 46" Rear Projection...

1 Answer

MItsubishi WT 46809- not staying on when turned on


One or more fuse devices open==caused by convergence IC

shorted. Solution==replace fuse(s) and STK I.C.(s).

Oct 08, 2007 | Mitsubishi WT-46809 46" Rear Projection...

2 Answers

Mitsubishi WT-46809 Intermittent color problem


I have the MITSUBISHI WT-46809 46" HDTV CONVERGENCE IC PROBLEM as well. I just ordered the STK392-570 IC for 7 bucks and I am going to attempt to switch them both out (two of them). I am getting the overstated "bow tie", "RBG separation" issue that you are talking about. I am going to attempt to de-solder the intergrated chips and put new ones in. I figure it is worth the shot, insted of paying 350-650 bucks to have some **** with average skills do the same I figure it is better to have this **** with average skills do it and keep the cash. I will let you know how it goes.... DJ

Feb 24, 2007 | Mitsubishi WT-46809 46" Rear Projection...

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