Question about Mitsubishi WS48511 48" Rear Projection Television
There is a blue ghosting effect that typically ghosts any text (scores, channel guide, etc) in a bow across the top of the screen. So there ends up being a blue bow from the top left to top right that sags down in the middle.
I tried resetting the convergence (I couldn't figure out how to try manually adjusting convergence) and that didn't help. From reading this board it looks like I may need to replace an IC or something, which I'm comfortable trying, but I wouldn't know where that part would be in the TV and such.
Thanks for any help - this is driving my parents crazy.
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
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 here http://www.fixya.com/support/r2861467-solution_video_looking_whiteish_dull
Posted on Apr 18, 2010
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Posted on Jan 02, 2017
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