Question about Samsung HL-R5078W 50" HDTV

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PICTURE SHADOW ON MY SAMSUNG HL-R5078W HDTV ON THE LEFT SIDE OF THE PICTURE ABOUT A 3" OR 4" WIDE STRIP IS SHADOWED OR SLIGHTLY DULLER THAN THE REST OF THE PICTURE. THE PROJECTION BULB IS LESS THAN 1 YR OLD. ANY IDEAS ON WHAT MIGHT BE CAUSING THIS? OTHERWISE THE PICTURE AND TV WORK PERFECTLY .

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  • Anonymous May 19, 2008

    A recent analysis by a local service center has revealed that the problem is related to a curtain on the light engine that creates the effect of the screen going black when changing channels. A new light engine and requisite labor has me looking at a $900 repari bill. I am sick, but what are you to do.

  • Anonymous May 29, 2008

    I own a Samsung HLR5078W TV. Just as another person described, I also have a shadow area down the left side of my screen approx. 3 inches wide. I tried resetting the TV by unplugging it for 1 minute and then turning it on again. I also tried it with the DVD and still have the same problem. Any ideas on what the fix is?

  • Anonymous Jun 19, 2008

    I am having the exact same problem.  I have no idea what to do about it.  It is a see-through strip on the right side of the screen from top to bottom about 4" thick and darker then the surrounding picture.


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1 Answer

Search for "Light Tunnel".

Posted on Feb 06, 2008

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1 Answer

My dlp hl-s4266w had developed a 10 " wide vertical darker area than the rest of the sceen


Usually this will be on top or either side and the problem is the optical light engine is damaged from heat----seen about a dozen.

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I have 6-8 inch horizontal shadow at the top of my HL-R5078W. How can I get rid of it?


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1/4 of screen is black (right side)


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Mar 15, 2009 | Televison & Video

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Shadow top to bottom of screen on left side about 2" wide...


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1 Answer

Lower left quadrant has shadow


By knocking into the tv you have shifted the light tunnel in the light engine. The repair for this is to replace the light engine the part number is BP96-01198B you can order it from Samsung parts.com The cost for the part is 985 dollars but if you return the one the repair man takes out you get a core credit of 350 making the light engine only 630 dollars or so...You should be able to find a repair shop to put this in for labor of less than 300 maybe even 250...our shop does a Samsung for 190 Labor. Hope this helps.

Feb 04, 2008 | Samsung HL-R5078W 50" HDTV

1 Answer

Samsung dlp hl-r5078w picture problem


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Dlp problem


The unit has a defective light tunnel contained within the light engine. This part is not easily replaced and you will a qualified tech to replace it. Many service centers condemn the light engine at a much hight cost. Do not buy or let someone tell you the light engine must be replaced. This repair requires only the light tunnel.

Nov 22, 2007 | Samsung HL-R5078W 50" HDTV

3 Answers

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I have the same problem and was told by a technician that I need to replace the light engine. Probably around $ 700.00.

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2 Answers

Dark shadow


you have defective horizontal linearity! replace a capacitor 200uf 200volts!

Oct 02, 2007 | Samsung HL-R6168W 61" HDTV

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