Question about Samsung HLN5065W 50" Rear Projection HDTV-Ready Television

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Repair Procedure Sound works well. Picture comes on for a period of time then goes to broken black and white of last color picutre frame

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  • Hoot Gibson Oct 29, 2008

    Samsung > HLN5065W 50 in. Rear Projection HDTV-Ready Television
    Sound works well.
    Picture comes on for a period of time then goes to broken black and white of last color picutre frame

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3 Answers

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The black and white circut is seperate from the the color circut
so the only other thing controling the color is the convergence IC's
video works color don't or is off (3d look or bowing in the picture) is the conversion IC's resistors and or the IC's themselfs
you will need a tech to come out and repair the problem

Posted on Oct 29, 2008

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Well, if it will still go back to color, then most likely it is your digital board that needs to be replaced. If it would stay black and white and not go back to color and possibly produce a high pitch squeal, then it could be your color wheel. Which is your problem?

Either way will be a good price part

Posted on Oct 29, 2008

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Does it do this on every input? Like no matter if its DVD or something else? How long have you had this problem? Are you attempting to repair it yourself or have it repaired? Once I have more information I can assist you further.
Thanks,
Lee

Posted on Oct 29, 2008

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Posted on Jan 02, 2017

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I have what I think is a Hitachi 55 inch ultravision rear projection TV that is 12 years old. I think the model is 55UX58B. The color goes out and it becomes black and white. It comes back after a few...


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After the tv has been on for about 30 minutes the picture starts flickering really bad and eventually will go completely white like where it looks kind of like negatives? it works perfect for that first...


The colors wheel could dies at any time of the tv life,at any monent without any period of times.The colors wheel run at RPM spinning revolution are 1000 RPM a min. to make colors for this tv.The problems u discribing are one problem of the effect of the colors wheel is dying and worn out.The colors flashes like film negative,the picture flashes Black&White withtin the picture.Replace the colors wheel again,will solved this problems.

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Color poor, essentially black & white


Hi


Thanks for using FixYa. This issue is caused by failed convergence ICs. I don’t think the issue is with the power supply of the unit as the sound is coming fine from the unit. Please also check the convergence board for cracked solder. If you want to do the repair yourself there are repair kits available which includes instructions on how to replace them. Please do rate the solution if the issue is resolved or post a comment for further assistance.


Thanks

Rylee

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I have a panasonic pt-60dl54, the sound works but green picture


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.You will need to replace the DMD board. Have a blessed one!

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1 Answer

Black and white picture only


The color wheel is not the problem. If the spinning color wheel is impaired in its RPMs it will cause picture distortion, not black and white picture. If the color wheel looses any of its color fins, like if it is broken, there will be a loud vibrating noise inside the tv which you did not mention. Also if the color wheel is broken and doesn't spin, the tv will not start up.

The likely problem is on the digital control board or the power supply and should be referred to a local repair shop for repair.

There is an outside chance that you will receive color if you experiment with using all of the different input ports to see if you can find one that will bring back color.

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2 Answers

Picture Problems


check for poor grounding of the input signal cable wire.
easy way to check this is put in a dvd and is that in color?

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Our Color TV is now Black & White


It could be the color wheel and in fact probably is. I've seen them shatter which would explain the noise. They are glass and spinn at 9000 rpm. An involved repair though definatley a job for a pro. It could be worse, probably a few hundred will do it. Was the TV begining to be a little loud before the failure? Could be a sign, i've seen many noisy color wheels.

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Toshiba tz50v51 popping sound


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