Question about Samsung HLR5067WX 50" Rear Projection HDTV

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Samsung HLR5078W developed 4 inch shadow on left part of screen

Replaced bulb but did not fix problem

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  • Anonymous Jan 12, 2009

    I have the same problem and just called Samsung about it. They recognize the problem as a manufacturing defect in the light tunnel, and are fixing it at no charge.

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  • Samsung Master
  • 5,138 Answers

Pull back and look for Bad captacitors if they are puffed up on top they are bad.

Posted on Jan 10, 2009

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The picture seems to be sliding down the screen of my Samsung HCN553W, I can still watch it except for the top 4-5 inches in the top left corner, it's black. Does anybody have any idea what it could be?


Ur tv it beginning to create and will develope a simtom call "Convergence alignment"These problems will delope in to the picture will have shades of colors like red or blue shadows,the picture bows in coners and colors will misaligns,the picture look like u watching a 3D movies,and the tv sometimes,just die and making chirpings sound.This problems very common in DLP tvs,it will develope just sonner or later that all.The covergence problems,the only way to fix are to take the tv aparts take out the Pc board call The Convergence board.Change the 2 STK convergence ICS,and some or all it supporting resitors and pico fuses.

May 06, 2010 | Samsung HCN553W 55" Rear Projection...

1 Answer

Samsung DLP R&R Color wheel Model #HLR5078w


Samsung's digital light projection (DLP) televisions use a spinning color wheel to create the colors that are seen on the screen. If the color wheel becomes misaligned during use, it will become damaged and have to be replaced. Replacing the color wheel on a Samsung DLP television can be done at home, once a compatible-sized color wheel has been bought from a TV supply store.Replacing the color wheel yourself will void any Samsung warranty that might be in place, but is the only solution for getting the TV working again in as short a time as possible.
Put on the anti-static grounding strap to keep static electricity from damaging the internal components of the Samsung DLP TV. Turn the Samsung around so that the back is facing you. Make sure the Samsung is unplugged from the AC socket.
2
Use the Phillips screwdriver to remove all of the screws from the back panel. Put the screws aside. Pull off the back panel.
3
Loosen the two screws from each side of the projection bulb's case. Pull the projection bulb out. Put the projection bulb aside. Use the Phillips screwdriver to remove the two screws from the left side panel. Pull the side panel and the circuit board attached to it out carefully and put it down so that the cables attached to it have not been pulled out.
4
Take a picture of the power cable's position with the digital camera so that you can put it back correctly later. Pull the power cable out from inside of the Samsung's case so that the center panel is free to be pulled out. Remove the two large headed screws from the center panel with the Phillips screwdriver. Remove the top two screws holding the panel to the plastic case using the Phillips screwdriver.
5
Slowly slide the center unit out a few inches. Take a picture of the projector lens' positioning with the digital camera so that you can put it back correctly later. Unplug the two cables from the left side of the center panel. Unscrew the sensor switch using the Phillips screwdriver. Slide the center panel completely out of the Samsung and put it down on the clean cloth. Blow off the color wheel assembly with the compressed air.
6
Use the tweezers to remove the green plug from the top of the color wheel cover. Use the tweezers to remove the two cables at the side that are coming from the color wheel. Use the Phillips jeweler's screwdriver to remove the screws from the top, front and back of the color wheel cover. Slide the color wheel cover straight up to expose the color wheel.
7
Use the Phillips screwdriver to remove the three screws holding the color wheel to the color wheel assembly. Lift the color wheel up and out of the color wheel assembly and discard it.
8
Position the replacement color wheel in the color wheel assembly. Reassemble the color wheel and reassemble the color wheel assembly. Put the color wheel assembly back into position in the rear of the Samsung DLP TV. Reassemble the Samsung DLP TV. Plug the Samsung DLP TV back in for power. Turn the Samsung on and enjoy seeing the colors displayed properly again now that you have replaced the color wheel.

May 02, 2010 | Samsung HLR5064W DLP Projection TV

1 Answer

I have an akai 50 inch tv. I have a darker area on the left side of the screen about 3 inches wide. I replaced the bulb but the problem is still there. Any idea how to fix it. Its a projection tv.


Convergence is dead.Replaced the 2 convergence ICS,should solved this problems.Try website Tv repair World.com to buy a Whole convergence board to replaced.Samsung/Akai use the same convergence board.

Feb 26, 2010 | Akai PT4298HD Rear Projection Television

1 Answer

I have a dark shadow down one side of the screen


replace light tunnel = use service manual for procedure....T.

Dec 13, 2008 | Samsung HLP6163W 61" Rear Projection...

1 Answer

Picture shadow on rear projection Sony big screen TV


You have 2 distinct problems that should be addressed separately. Please repost the Samsung problem. I will address the Sony problem here.

If the "shadow" makes the picture seem somewhat of a 3D one, the problem is with the convergence circuit. This could be as simple as bad connections on the pins of the convergence ICs or defective ICs. If you can solder and would like to attempt the repair, update this and I'll provide more details and instructions.

Dan

Sep 25, 2008 | Samsung HCM4216W 42" Rear Projection...

1 Answer

Samsung dlp tv


Yes, it could. There is a light pipe in the light path that could now be broken from the bumping or it could just be out of line from the bumping. Another problem could be the mirrors in the projection path could just need adjusted by the 3 screws that are beside the mirrors. This may also happen when bumped.

Mar 20, 2008 | Samsung HLR5667W 56" Rear Projection HDTV

1 Answer

Blue shadow across my screen


Go into the convergence function from the menu and see if it works. If it does not then the convergence board has a problem. JVC still sells the part.

Jan 20, 2008 | JVC AV-56WP74 56" Rear Projection...

3 Answers

Left side of television just started having a shadowing problem?


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

Oct 15, 2007 | Samsung HL-R6167W 61" HDTV

2 Answers

SHADOWING


jesus have you move that tv thats new to me but surely techman know about.....good luck

Aug 08, 2006 | Optoma RD50 50" Rear Projection HDTV-Ready...

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