Question about Zenith E44W46LCD 44" Rear Projection HDTV-Ready Television

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Purple splotches on screen

New bulb but purple splothes apear againest white background

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  • patti317 May 11, 2010

    What tv do you have?

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  • 40 Answers

Sounds like a optical block pn. 3141VSN916C around 1100 bucks for the part

Posted on Mar 13, 2009

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I have nec np200 and there's a lot of dots appeared on the screen. what seems to be a problem


I have 2 NP-200 projectors installed in a school which show white dots on a black background and black dots on a white background. This is caused by the DMD chip losing pixels. Only solution is to replace the chip, I'm researching now if that i an economical solution.

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When plugged into laptop, projects images with a purple haze


This will depend on the brand, model, cable connection type and OS of the laptop. Most have a color control which you can adjust.

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We have a Hitachi 50vf820 LCD television. We have changed the lamp several times since purchase. The picture is dull and not as sharp as it was new. We also have blue/purple splotches around the...


you can fix the dimmed look to the tv by purchasing a new ballast for the DLP bulb.


drewpalmer04_12.jpg
The spots are non-repairable as they are in the light engine assembly and those are nearly $500-$600 and very labor intense to install.

Hope this helps. Click the hyperlink above to buy the ballast.

Please rate!

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I have windows 7 laptop and a white line has appeared on screen how do i remove


There are a few reasons why that has happened. Firstly to check it is not the VGA processor plug the laptop in to an external monitor. If all is well, does the line apear whilst booting or is it a driver issue?
Hope that gives you an idea.

Mar 05, 2011 | Computers & Internet

1 Answer

There is a white line on my screen like a scratch but is clearly not on the surface. Is this cosmetic damage or should i return this under warranty?


if the line apeares to be part of the displayed image on the screen and typically would be only either horizontal or vertical then the screen has a deffect and it should be covered under warranty if still active. but examine carefully because sometime the internal of an LCD screen get cracked normally because of something that pushed againest it from the outside or againest the cover and if that what happend it would not be covered under warranty. best of luck

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1 Answer

SyncMaster 213T Screen quality


did you try change the VGA cable? if not, try it.

Dec 19, 2009 | Samsung SyncMaster 213 T 21.3" LCD Monitor

1 Answer

Blue splotches on screen


sorry but u have a bad optical block price $450 - 600 dollar part

May 08, 2009 | Hitachi UltraVision 60V715 TV

1 Answer

Mitsubishi WD-73827 with degrading color


Good Day;

More then likely your 2005 MODEL has a bad "LIGHT ENGINE". Call an Authorized Service Center and have them give you an estimate, then call MIT's and try to get them to give you a "CONCESSION". It's costly. Good Luck, big IRISH.

Sep 05, 2008 | Mitsubishi WD-52525 52" Rear Projection...

1 Answer

Purple blotches


Ok, so I'm about to flip a lid with my TV. I am showing purple quater sized blotches all over my screen. I bought it for a discounted price because of this issue, in hopes i could fix it. I took the back panel off the TV. ( about a 6in * 6 in plate) removed the light bulb and cleaned the bulb and lens, where the light bulb faced. I used a dust cleaner and special cloth. NOTHING! I took the entire front screen off cleaned it and then cleaned the mirror and second lens.... NOTHING! Then i heard that dusk sometimes gathers behind the lens and that should be cleaned. Try this, Its 4 screws, just be careful and remember the way you took it out, because it has to be replaced the same way.

Lindsey <3 AZ

Nov 28, 2007 | Epson Livingstation LS57P2 57" Rear...

2 Answers

Purple pixels in my DP6810 MM projector


you have a bad lcd panel. bad news: you'll have to replace the entire optical engine

Apr 26, 2007 | InFocus Proxima DP6810 Multimedia...

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