Question about Mitsubishi WT-46809 46" Rear Projection Television

2 Answers

The screen looks like it is 3D I have a couple of issues. #1 the picture bends in the middle. I have to wait for the tv to warm up or turn off the tv for it to go back to normal. #2 the picture is faded. I have to play with the cords in the back of the tv until the picture is vibrant.

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  • skeets1129 May 14, 2009

    Hi Guru:



    The TV is connected to an external audio source (Logitech Z5500 speakers) with the sub-woofer residing on the floor and the speakers on top of the TV. I also have a Bose wavefront/alarm on top the TV as well. However, I only use the external audio system for watching DVDs.



    This TV (Mitsu WT-46809) was purchased brand new back in 2001 and I have only moved it once (from my old address to my new address).



    Let me know if you need any other information from me.



    Thanks,

    Steve



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Its a board error in the tv.as the solderings on the board are got loose .after sometime when the board gets heated up the solderings become firm and the tv works. now why after getting warm the solderings becomes firm ,this is because.actually there is spray that is applied on the board to keep the solderings firm and tight.after some time in many tv the spray gets dried up and solderings becomes loose.after getting warm the spray melts a bit and due to that it again gets the firmness which the soldering joints require. so just get your whole board dry soldered at any local tv shop.they have this machine for dry soldering.in that they will apply the spary again. this will help. please do rate the solution.thank you for using fixya.keep updated.thanks.

Posted on May 15, 2009

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Hi,

Is the TV sited by a speaker or other magnetic device. Magnets cause this sort of problem. Can easily be shown by putting a magnetised screwdriver close to the front of the screen.

Is this an old tv? When I worked in the trade I used to regularly gave to take a degaussing machine out to the home and run this over the set.
Thank You

Posted on May 13, 2009

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1 Answer

The picture bends at the top and the bottom of the screen and is blurry where it bends at


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

Oct 28, 2010 | Mitsubishi WS-65809 65" Rear Projection...

1 Answer

3d look with little bending in bottom left corner of screen.


The most likely cause is shorted convergence chips and possibly a few pico fuses.

These sets need to have all three colors - RED - BLUE - GREEN - lined up correctly on the screen in order for the picture to look normal. This is called convergence.

When its out of alignment the video will look 3-D, wavy, distorted, etc. Most of the time you just need to adjust your convergence in the menu. If you cannot adjust it in the menu - then your convergence is broken and needs to be repaired. Convergence problems are very common on all Projection TV sets including Sony,Samsung,JVC,Philip Magnavox,Panasonic,Akai,Pioneer Hitachi,Mitsubishi,Zenith and others.
You can get a convergenece repair kit with instructions from the links below.

Here are some of the most common problems with these sets...

Problem #1) Convergence

Yours may have one or more of the following symptoms...

*Screen Looks 3-D
*Colors wont align
*Screen may look distorted or warped
*No Audio/Video - TV Shuts down - May also make a constant chirping sound

Problem #2
Another common problem is dull or washed out video.

Your set may have one or more of the following symptoms....

*Dull looking picture
*White looking picture
*Halos around objects
*Red/Orange looking picture

You can see some more examples and find a fix herebb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Apr 04, 2010 | Hitachi 52LDX99B 52" Rear Projection...

1 Answer

Yellow circle in the middle of the screen. It has


Not sure if this will help...

Projection TV sets have several common problems listed below.

Problem #1) Convergence

Symptoms:


  • Screen Looks 3D
  • Colors wont align
  • Screen may look distorted
  • No Audio/Video - TV makes a chirping sound.
Problem #2 CRT Fluid has clouded over. Symtoms

  • Dull looking video
  • White looking video
  • Halos around objects
  • Red/Orange looking video

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

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

Mar 06, 2010 | Toshiba 42H83 42" Rear Projection...

1 Answer

Kpr-46cx10 picture issues


Projection TV sets have several common problems listed below.

Problem #1) Convergence

Symptoms:

  • Screen Looks 3D
  • Colors wont align
  • Screen may look distorted
  • No Audio/Video - TV makes a chirping sound.
Problem #2 CRT Fluid has clouded over. Symtoms
  • Dull looking video
  • White looking video
  • Halos around objects
  • Red/Orange looking video

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

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

Mar 05, 2010 | Televison & Video

1 Answer

Sony 46 inch proj tv picture is bowed in the middle and color is


Problem #1) Convergence

Symptoms:
  • Screen Looks 3D
  • Colors wont align
  • Video may look distorted
Problem #2 CRT Fluid has clouded over. Symtoms
  • Dull looking video
  • White looking video
  • Halos around objects
  • Red/Orange looking video

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

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

Oct 29, 2009 | Sony KP-46WT510 46" Rear Projection HDTV

1 Answer

My picture is warped or bending in the middle


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

Convergence problems are very common on all Projection TV sets including Sony,Samsung, JVC, Philip Magnavox, Panasonic, Akai, Pioneer, Hitachi, Zenith, and others. You can get a convergenece repair kit wiith instructions from the links below.

Here are some of the most common problems with these sets...

Problem #1) Convergence

Yours may have one or more of the following symptoms
  • Screen Looks 3-D
  • Colors wont align
  • Screen may look distorted or warped
  • No Audio/Video - makes a chirping sound.
Problem #2

Another common problem is dull or washed out video.
Your TV may have one or more of the following symptoms....
  • Dull looking picture
  • White looking picture
  • Halos around objects
  • Red/Orange looking picture

You can see some more examples and find a fix here
bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

Oct 21, 2009 | Philips Magnavox 51MP392H Rear Projection...

1 Answer

RCA Projection TV Model HD61W66


convergence power supply not working , there is a mini fuse close to the flyback thansformer , 400miliamp at 250 v resolder the flyback and replace this fuse , there is 3 fuses it look like small squer brown color is the one on the middle , normal repair $200 - 300

May 07, 2009 | Sony Grand WEGA KDF-42WE655 42" Rear...

1 Answer

Picture is bending at the top and bottom and looks 3d


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

Convergence problems are very common on all Projection TV sets including Sony,Samsung, JVC, Philip Magnavox, Panasonic, Akai, Pioneer, Hitachi, Zenith, and others. You can get a convergenece repair kit wiith instructions from the links below.

Here are some of the most common problems with these sets...

Problem #1) Convergence

Yours may have one or more of the following symptoms
  • Screen Looks 3-D
  • Colors wont align
  • Screen may look distorted or warped
  • No Audio/Video - makes a chirping sound.
Problem #2

Another common problem is dull or washed out video.
Your TV may have one or more of the following symptoms....
  • Dull looking picture
  • White looking picture
  • Halos around objects
  • Red/Orange looking picture

You can see some more examples and find a fix here
bb0cf99.pnghttp://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull

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1 Answer

Convergence issue


Not sure how service menu will help you other then to do more adjustments such as 3D reform and such. Not real sure, just a long wild guess but the coils on the picture tube could possible be loose enough to change positions when heating up causing picture alignment to change. Might be a cheap service call. 

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