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Samsung 42" Plasma Vertical white lines appearing on the right side of the screen. My basic online research says it might be a bad chip? Where can I have it repaired under warranty?

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Contact samsung to find a warranty service center in your area. http://www.samsung.com/us/support/repairlocation/ServiceLocationsMain.do

Posted on Sep 11, 2008

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I have green vertical squiggles lines over whole screen


possibly the DMD chip goes bad, you can try to disassemble your tv, and take out the DMD chip, when carefully inspect its mirror, whether you found any lines or white pots in it.

if it had lines or white pots, you have to replace it.

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After replacing the dlp chip in my mitsubishi tv there are vertical lines on the screen. any ideas?


i had the same lines on my 65' mitsubishi tv after replacing the DLP chip. after going back over everything i realized that the casinf that holds the chip in was not in the lock position. i took the chip out and replaced it then turned the little locking mechanism to the locked position. now my screen is perfect. hope this helps.

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1 Answer

White vertical lines


Hi,Yes your problem sounds like the DMD board.This is how it works: http://electronics.howstuffworks.com/dlp1.htm Basically the light of the lamp goes through a tunnel that carries a color wheel(rotating disc with a gamma of colors that creates the colors on your tv)then the light of the lamp goes through the DMD board which is a chip composed of around 2 million pixels that creates the images and colors.When it starts to fail it will create black bars,pixelation,color distortion or white dots on screens. Here's a video that will help you find where the DMd chip is located : http://www.youtube.com/watch?v=0jr_9A5Xd2Q Have a blessed one!

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After changing color wheel on my samsung hlr 5067w tv my picture is high with black bar on bottom.top of heads are cut off.what went wrong? no proble before.


Hi,If you are experimenting vertical lines ,black bars ,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!

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1 Answer

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


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!

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1 Answer

Samsung HL-S4266W 42 in. TV has a bad DLP module. Specifically, an increasing number of bright white dots are appearing on the screen. What's the part number for a replacement module, and where can I buy...


The part # all depends on which version of the set that you have. Take a gander round the side of your side. Right side, if memory serves. You should see a sticker with 3 lines. One for model #, one for serial and one for version.

On the off chance you don't see one, check around the left side of the screen and take note of the lamp code. Your version will probably be a PB01 or PB02.

Depending on the version, the part # changes. Either way, you're looking at about $200.00 for a DLP chip. That's just the chip mind you, not the DMD PCB that drives it, or the rest of the light engine that helps process that information. I have had, during the course of my career, replaced a DLP chip to address white spots on the screen and found that insufficient voltage from the power supply cause the issue in the first place, or that the light engine itself was a contributing factor.

If you were to replace the light engine itself, you would replace all three components here and guarantee yourself a solid repair. You would hit the LE, the DLP and DMD all at once by doing a light engine. Granted, the cost is substantially more, but it might be easier in the long run to swallow $600.00 for a completed set than to swallow $200.00 for a DLP chip that didn't fix the issue and now can't be returned. Plus, a light engine will literally take you 30 minutes to put in and be done. Maybe even less.

PS - Don't touch the surface of that chip. And when you remove the DMD, pull out the old DLP chip and insert the new one....you're going to have to have help. Someone is going to need to watch the screen while you manipulate the DMD--set on and running--to align it back to the aperture. Have fun.


Part #s: Version PB01 :
4719-001968
Version PB02:
4719-001981

Try partstore.com to secure parts.


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1 Answer

Samsung hl-r7178w has green video and vert. lines on all analog inputs, hdmi input is good and menu screen is good


Hi,sounds like It could be the DMD board.This is how the DMD board works: http://electronics.howstuffworks.com/dlp1.htm Basically when that Dmd chips starts to fail that's what you'll get color discoloration vertical lines, white spots.You will need to replace the dmd only you can find it on ebay,samsung,or shopjimmy.com God bless you!

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1 Answer

Dark transperant vertical line, left side of screen


Your light tunnel is bad. This requires partial disassembly of the light engine. Suggest contacting a tech

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