Question about Mitsubishi WT-46809 46" Rear Projection Television

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Color Gun Help?

How can i adjust/fix the color guns
on my Mitsubishi WT-46809?

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  • 7funnies Oct 26, 2008

    well we are having a weird problem with the conv. it is doing a 3d effect only in the

    corners of the tv though.. and we were told that it was with the color guns... does this sound right? any other advice? thanks.

  • jeffbrock190 Nov 09, 2008

    The convergence goes out on all four corners, and then a normal picture will come back. Sometimes it will stay out of convergence for several minutes longer. This problem only recently started within the the last 3-4 weeks.

  • j2bl4 Feb 10, 2009

    Same problem, but it is transient. Will go out of whack for a few seconds or minutes then return to normal. Can also get to return to normal after a sharp rap on the top of the cabinet. Seems like a weak connection somewhere.

  • jason May 11, 2010

    this may need a conversion or just some resistors replaced. can you test components or are you going to need a repair technician?

  • jason May 11, 2010

    does it have three color CRT's or is it lamp projected thru a block?

  • jason May 11, 2010

    what is it not doing?

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This tv will need some testing to determine the exact cause but most likely it will need a conversion done, you will need to call your local repair shop to come out and fix the problem
sorry about your tv

electech

Posted on Oct 26, 2008

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1 Answer

No red color on screen


there are three basic color controlled by electronic circuit, in picture tube gun,one of them not working properly.needs detail analysis

Dec 04, 2011 | Mitsubishi WT-42311 42" Rear Projection...

1 Answer

My Tv has red light (color) out of focus..I've tried tuning the lance but it's not the problem in the lance..it's something else..don't know what..do you?


Your TV has three picture tubes which are aligned to properly converge the projected light beams on the screen. Each picture tube projects a single color of Blue Green or Red. During production your TV was carefully adjusted to properly align these colors. As a feature you have the ability to adjust these colors.thats called convergence.If you don't have a manual to show you how to adjust you can find one here http://www.mitsubishi-tv.com/support.html

Mar 03, 2010 | Mitsubishi WT-46809 46" Rear Projection...

2 Answers

I think the color bulbs are going out. I called


3D pic?Ur convergence it dead.U know how to solders?Tries these websites for convergence kit.Use replaced what in the convergence kit. Tv repair World.com,or Tvrepairkits.com.

Dec 14, 2009 | 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

Have a Mitsubishi wt-46809 tv and has a 23 shut down. ARCING is seen between the focus and the screen in the red picture tube. When the HV line for red is removed I am able to see the short as the tv...


Yep sounds like a shorted red crt for sure. You can send the tube assembly to a company called Video Display for rebuilding. They do good work and are relatively cheap. I have dealt with them often and no complaints. When they rebuilt them they replace the phosphor as well as the entire gun assembly.

Jun 16, 2009 | Mitsubishi WT-46809 46" Rear Projection...

1 Answer

T.v


The first thing you need to do is to take away the color completely, then you adjust the hue until you get the picture looking like a black & white tv, like the old shows that were broadcast in black & white.
Then you can gradually add the color. And thats it your done!

Jul 19, 2008 | Mitsubishi WT-46809 46" Rear Projection...

1 Answer

Blue Gun non-responsive


blue crt gun is dead... it has to be replaced. Check carefully the gun neck if theres a crack or damage, I'm suspecting  an overheating yoke ( a bunch of wires around or embracing the crt gun's neck), if theres a sign of overheating, you need to replace the yoke too, not doing it, your new gun will suffer the same fate of the old one, wasting your money.

Oct 29, 2007 | Mitsubishi WT-46809 46" Rear Projection...

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