Question about Mitsubishi WT-46805 46" Rear Projection Television

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Mitsubishi WT 46805 ~ Picture gone..... :0(

We have the 46" Mitsubishi WT-46805 - and all of the sudden today the picture is in and out... When we turn it on - the channel information on the top left of the screen is shadowed by multiple colors - and appears rounded. If it does come on with a picture (sometimes) - the picture goes away within a few minutes - but we still have audio... We are military remote... Please advise anyone! Thanks!!

Posted by Corri Gobin on

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  • Anonymous Jul 28, 2008

    I have a WT-46805 model. The picture is on adn every so often goes out adn comes back again. Any suggestion of how to fix it.

    Also there is a big gray rectangle on the top of picture too. How do I get rid of that too?

    thanks

    Henry

  • Anonymous Feb 01, 2009

    No picture but i have adio

  • rinksho Apr 25, 2009

    i just baught the tv off craigslist and it was working fine for about 2 days, then im watching it one night and the picture got dark then went completly out so i left it on for a bit and the picture started comming in and out

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  • 927 Answers

Good Day, Corri;

It sounds like the TV has a Circuit problem in the convergence circuit. If it comes and goes then the concern can be corrected by re-soldering the 'conv' output IC"s. A semi-minor repair and cost.

Good Luck, big IRISH.

Posted on Jul 25, 2008

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Mitsubishi WT 46805 ~ Picture gone..... :0(

There are two and sometimes three very large IC’s that control the convergence in a big screen set. I think that you have two that are on the board in the center of the set. They are secured to a very large aluminum heat sink.

There are two ways to repair intermittent connections on the convergence IC’s. I usually remove the board with the convergence IC’s on them and then and solder the connections. The other method is to tilt the circuit board and solder them while still installed in the chassis.

If you remove the board and repair the connections, be careful to remember which connections need to be made when you replace the board. Mitsubishi uses a lettering system, so it should be easy.

If the problem remains after you have made the repair, it is possible that the pins on the IC’s have become loose. In this case the IC’s need to be replaced. I have seen this on several occasions.

If you choose to repair the set yourself, be very careful of the high voltage that can be stored in the capacitors, and CRT’s. This voltage can be as high as 30,000 volts.


I hope this information allows you to resolve this issue.
If I have helped you, please help me, and rate this suggestion the highest FixYa rating. (Two Thumbs Up) If you cant rate this post with the highest rating, then please comment to this post and I will try to help you further.
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Mitsubishi WT-46805 46 in. Rear Projection Television- No Picture

I had audio and no video. Now I cant get ant thing and the TV turns off by itself

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Mitsubishi WT-4605 - picture going dark, comes back

Good Day, rflinker;

Please check for fluid on the TV's PCB's, look toward the front of those boards, ensure all cables are properly seated into their sockets.


Good Luck, big IRISH.
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Mits 46805 - Replaced IC's now picture is dim!

Good Day, Nickb2b;

The IC's you installed will not cause a dark/dim picture......but I would like you to check two things:

1. Make sure you put all cables that you may have unplugged into their proper positions, the cables are marked with numbers, ensure all cables are properly seated,

2. Look for fluid on the PCB's.

Good Luck, big IRISH.
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Mitsu 46805 - No picture

this model has loose connections on the yokes remove the front speker gril and a small cover wigil the wires alittle and see if the pic comes back on if so solder the bad connections and put fresh solder on the verticl ic too
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