Question about RCA HD61LPW42 61" Rear Projection HDTV

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Rca 61 inch dlp has vertical lines accross the screen , they come and go by themselves

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Hi,If you are experimenting vertical lines ,color distortion,pixilation,or white dots on the screen you might be having an issue with the Dmd chip.This is how the DMD chip works: http://electronics.howstuffworks.com/dlp1.htm Basically the dmd chip is composed of around 2 million pixels that create the image on the screen.You will need to replace in order to fix your problem.Have a blessed one!

Posted on Feb 06, 2010

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1 Answer

How to reset a 61 inch rca dlp television


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Vertical white lines appear on the screen. Samsung provides the following information but doesn't say what circuitry they are referring to. Samsung says: DLP TV: I Have Vertical White Lines...


That answer I agree makes no sense.

Most of these sets have NO vertical hold and if did it will not cause the lines.

A brief educated guess:

Set has a main board that communicates and controls the screen--tests for that are not simple (checking waveforms with a scope and signal generator).

The model indicated here is a DLP that uses a lamp (let me know if model listed is not the one you have).

In DLP sets aside from main/digital board you also have a optical light engine---it processes all signal in and out to the screen.

Optical engines do fail and cause some simple and some complicated picture issues.

Some will even cause the set to "lock up" with a picture or strange looking screen---clue to this is you have to shut the set off by pulling the power cord.

The set may be old enough they do not really want to help you or even talk about it.

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Have thin vertical black lines accross the screen


You have a defective optical engine. The symptom usually shows lines separated by about an inch vertically across the screen. It may be worth your time to call Samsung consumer relations and see if they will incur some of the cost.

Bill W.
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61 in dlp has lines on tv


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If this is cable/local broadcast issue it will go away in Febuary when the NTSC broadcast ends.

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