Question about Samsung HLP4663W 46" Rear Projection HDTV

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Checking the color wheel on my DLP

I checked voltage at the DMD board and I'm only getting about 1.2 Volts.
Do you think the DMD board is bad? I definitely don't want to spend $450 on a DMD board.
Thanks,
Brandon

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Hello brandon b,
have you change the color wheel? what have you changed so far? Pleasenlet me know asap.

Best regards
circuitcity

Posted on Jun 24, 2008

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Samsung hlp6163w dlp tv not working, new lamp, new ballast, still three blinking lights


If color wheel does not run lamp will not fire----with lamp removed have you looked at the wheel----if not running it will cause almost instant shutdown of lamp and the set.

If the DMD board is bad time for a new set as it is well over 500 .

Mar 28, 2012 | Samsung HLP6163W 61" Rear Projection...

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Hello I have a dlp samsung hlp4663wx/xaa. Last week the picture went black the sound is good . I replaced the lamp and the problem continues . I also replace the color wheel a year ago. know everything is...


It is the DMD board especially if the lamp stays lit. If the lamp is not lit... Be sure you have the lamp in properly...that is plugged in good and the door has the door switch engaged. Be sure door switch is still good and did not get damaged when replacing the lamp. DMD board can be found at encompassparts 1-800-638-3328 for 318.51 plus 150.00 for the core but right now is on FACTORY BACKORDER Part number
BP96-00678DCurrently on Ebay for 179.00 plus 15.00 shipping. Enter part number in search

Oct 24, 2011 | Samsung HLP4663W 46" Rear Projection HDTV

1 Answer

Samsung DLP model#HLP4663w.green hue on the screen,what is the solution to my problem.


Hi,It sounds like it could be the color wheel or DMD.The color wheel is a rotating disc that has a gamma of colors it spins at high rpms.The light of the lamp goes through it to create the colors on your tv.When it starts to go bad you will get color distortion ,black and white picture and sometimes you will hear humming noises. The DMD is another possibility.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 One simple test is to display menu and if it's affected then most like will be an issue w the DMD board.Found the complete set with color wheel and DMD included here: http://www.discount-merchant.com/SAMSUNG-30407272050-Light-Engine-w-Color-Wheel-p/1139314.htm Have a blessed one!

Apr 05, 2010 | Televison & Video

1 Answer

Check Fan No. 2 Error Message


The DMD board you installed is bad. It senses the detection line from the fan and generates the error code. Try installing the old DMD board.

Mar 15, 2010 | Samsung HL-S5086W 50" HDTV

2 Answers

Why does my samsung tv cut off by itself after 1-2 min and flash a red lamp button?


A little explanation first- this model (as do most Samsung DLP sets) will try 3 times to get the lamp lit before the microprocessor will give up and then the 3 lites on the front will blink indicating a LAMP failure. This process takes about 1 to 2 minutes. In order of probabilty, the failures are:
1) A faulty lamp and/or ballast. REPLACE LAMP AND/OR BALLAST
However, a faulty lamp and/or ballast are not the only things that will give this blink code-
2) If the color wheel has a bad bearing and turns too slow or not at all, the microprocessor WILL NOT let the lamp light, and then give a LAMP blink code. A bad color wheel will normally have some sort of abnormal sound- a low growl or high pitched whine is common. REPLACE COLOR WHEEL
3) ALSO, if the microprocessor (on the DMD board) in its color wheel rotation detection or processing fails, once again the lamp is prevented from coming on and you get a LAMP blink code. REPLACE DMD BOARD
IF THE SET EVER COMES ON WITH A PICTURE for even a fraction of a second or though it takes many tries, the lamp and ballast are good. The problem must be either the color wheel or DMD board.

Oct 26, 2009 | Samsung HLR5064W DLP Projection TV

1 Answer

About the DLP TV you helped with.


Brandon. Locate CN110 on the DMD its a wire plug. Pin 2 is gorund pin 4 is voltage for the color wheel. When the color wheel is off pin 4 should have 5V on it when power is pressed it should have 7v for the color wheel to start. If the voltages on pin 4 is 5V your DM is ok and Color wheel would be indicated as faulty, But if pin 4 is anything less than 5V its the DM which is faulty.

Jun 22, 2008 | Samsung HLP4663W 46" Rear Projection HDTV

1 Answer

About my DLP TV that you have helped with


Hello Brandon B,
I would go ahead and change the color wheel. I have changed 3 color wheel this week for the same problem.

Best regards
circuitcity

Jun 22, 2008 | Samsung HLP4663W 46" Rear Projection HDTV

2 Answers

I need your help with my DLP TV


YOU PROBABLY NEED A DMD BOARD. THE COST OF THE BOARD IS $900 . YOU CAN GET A LIGHT ENGINE FOR $700 THAT HAS A NEW LAMP, COLOR WHEEL, BALLAST AND DMD.
WHAT A DEAL . THERE IS A $400 CORE ON IT SO YOU WILL HAVE TO SEND BACK YOUR NEW BALLAST AND LAMP TO GET THE CREDIT BACK.
WHEN I GIVE A QUOTE ON THESE SETS FOR REPAIR MOST OF THE TIME IT EXCEEDS THE VALUE OF GETTING A NEWER BETTER SET.
DON.

Jun 04, 2008 | Samsung HLP4663W 46" Rear Projection HDTV

1 Answer

Missing Color.


the color wheel may spin but if you hear noise when it spins it's bad. the jumper is used when replacing one type of color wheel for a nother type. so donot remove jumper unless you've replaced the color wheel and the picture is bad. if the color wheel is good replace the DMD board. if the DMD is not available replace the optical engine.

Jan 22, 2008 | Samsung DLP HL-P4663W 46" Rear Projection...

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