Question about Samsung HLP4663W 46" Rear Projection HDTV

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Hlp 466 3w

Pixelating dots all over the place on the screen sometimes comes on with all different colors. bad deal. any one have a clue.

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hlp 466 3w - 7928390.jpgHi this is the DMD mirror (digital mirror display) that is missing the pixels on your picture. It is a difficult job if you have never changed one before. It is located in the DMD board that is attached to the light engine. You must take the DMD board off and then take it apart to get to the mirror. Take the mirror out of the bracket it is in and then replace it and put everything back together again correctly for it to work again. I would recommend a tech to do this.

Posted on Apr 10, 2008

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Posted on Jan 02, 2017

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There is a humming in back of tv.the sound always good but picture doesnt come thru and i get a green screen someetimes blurry with distortion.color wheel or dmd chip or lamp starting to go out


as my experience, the most possible reason should be the color wheel or its photo sensor board.

firstly try to clean its photo sensor board, or have to replace a new wheel.

i just have this wheel, when you need to replace it, contact me freely
humming-in-back-tv-sound-always-good-c0kfjfiw1sbibxbsbum35w3k-2-0.jpg

May 02, 2016 | Televison & Video

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My screen has little dots appearing sometimes red sometimes blues behind the picture i just replaced the lamp bulb as i thought it would cure the problem


the projection tube needs to be adjust for color alignment, each tube (red, green, blue) must be aligned so you there would be no color smear appear on screen. if it is aligned try to set up the color balance, hue etc.

Feb 06, 2011 | Samsung Televison & Video

3 Answers

Panasonic pt-52lcx65-k color problem


I have the same problem. i called panasonic they said it was a on
going problem and they would send out a repair tech no charge to
fix problem.give them a call 1-888-843-9788

Jan 04, 2010 | Panasonic PT-52LCX65 44" HDTV

1 Answer

Keeps losing picture,Still have sound


Call him back and tell him that your tv has bad connections. He will check for bad connection on main board in horizontal..........

Sep 13, 2009 | Hitachi 46F500 46" Rear Projection...

1 Answer

Kdf 50we655 color dot on black screen


a color dot is usually a bad light engine, you probably need to replae it, you can try taking it apart and cleaning all the dust out of it, this works sometimes.

Sep 08, 2009 | Sony Grand WEGA KDF-50WE655 50" Rear...

1 Answer

White pixels cover half of the bottom part of the screen


You probably have faulty lcd panels inside the tv. replacing them can cost alot of money. I assume you have tried different inputs? If the dots are in excactly the same place then the lcd panels or lcd controller are faulty.

Jun 16, 2009 | Samsung Televison & Video

1 Answer

Samsung hlp 4663w picture is all horizontal lines


Bad color wheel...have it checked by a quaified tech.....
Must have lamp code number to get color wheel #.............T.

Dec 08, 2007 | Samsung HLP4663W 46" Rear Projection HDTV

1 Answer

Static picture or flashing colors pictures wd-52525


HEY AWOOD,THIS SYMPTOM IS DUE TO POWER CAPACITORS GOING BAD IN THE POWER SUPPLY AND THESE CAPS CAN CAUSE A COUPLE DIFFERENT SYMPTOMS,YOURS SEEMS TO BE THE MOST COMMON.IF YOU'RE TECHY ENOUGH YOU CAN REMOVE THE BACK AND GET ACCESS TO THE TWO PLUGS ON THE LITE ENGINE TO TEST (WITH A VOLTMETER) THE 5 VOLT SUPPLY ON I BELIEVE PLUG J19 PINS 1 AND 3.IF LOW THEN REPLACE 6 CAPACITORS ON POWER BD. YOU SHOULD BE ABLE TO SEE IF THEY ARE BAD JUST BY A VISUAL INSPECTION.GOOD LUCK JOE TV

Sep 19, 2007 | Mitsubishi WD-52525 52" Rear Projection...

1 Answer

Major screen problem with 46H83 - HELP!


The convergence IC first need to be changed and this might cause all of your problems to go away. if it does not then theres a bad capacitor in the sweep power supply thats bad also. but as I said change out both STK convergence IC's first.

Sep 14, 2006 | Toshiba 46H83 46" Rear Projection...

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