Question about Mitsubishi WT-46807 46" Rear Projection Television

1 Answer

Will not show picture when turned on

It started by coming on and it had several colored lines dancing horizontally on the screen and would shut off. Then I unplugged the TV for a few days and it came on and worked for several days then the picture started deteriorating away it was being taken over by black fuzz. Now it turns on and off no picture. If it happens to be a controller or something can I buy these parts online?

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  • Andybland Jun 02, 2008

    Is there a menu check by holding down certain buttons to get a fault code?

  • carloscarjas Oct 11, 2008

    I have the same problem in My tv, but the Tv has sound, is this a problem I can fixed?

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  • 227 Answers

Replace the convergence ic's i beleive that's your problem


good luck

caypianan@yahoo.com

Posted on Oct 16, 2008

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Best Solution posted on Apr 12, 2008 Asker's Rating 3%20stars_w.png
dc2eb76.jpg MikeNJ1964
Rank:guru_s.gif Guru sony.gifSony Expert
Rating: 89%, 674 votes
You have a completely different problem. The screen voltage for the blue picture tube is slightly too high on your set. This will put fine lines in the background of the picture, called retrace lines. This is very common and easy to correct. Remove the front speaker cover and the access panel behind it. Look inside and you will see a black box with six controls, each control having a little white glue on it. This is the Focus/Screen block. Three controls are labeled Focus and three are labeled Screen. The screen control in the center is for green but I am not sure if the screen control on the left or right is for blue for your model. With the TV on, set it to VIDEO 1 but do not connect anything to the VIDEO 1 jacks. This will produce a pure dark picture, showing any faint lines in the background. Choose one of the screen controls and increase (turn clockwise) it slightly. If the blue lines do not get brighter it means you are turning the red screen control, so put it back where it was and choose the other screen control. When you find the blue screen control, decrease (turn counter-clockwise) it until just when the blue lines are gone. If you want you can check that the red and green screen controls are set to just below the point where their faint lines are visible. When done, replace the panels and your picture will be back to perfect.
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MikeNJ1964 was exactly right! I have a Sony KP-65WV600 that had horizontal green lines that showed when the picture was darker. I had to remove 3 screws on the right and left side of the tv holding in the speakers...carefully pop out the middle panel from the clips holding it in....remove 4 screws from the cardboard in the middle and remove the cardboard. I then saw the six screws. The adjustment screws were the three below. I turned the middle screw until the lines dissapeared. I tried the left screw and blue lines appeared which I then adjusted away.
THANKS a bunch. SAVED me money!!!

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Example Photo:
5f6e85c.jpg
Problem #2 CRT Fluid has clouded over.

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ee1ca68.jpg

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

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

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