Question about Samsung HLN4365W 43" Rear Projection HDTV-Ready Television

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Picture goes blank or the picture freezes up and looks like a negative, replaced the color wheel and checked all the fans. Thier are no lights on the front of the TV.

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  • gsmith58 Apr 07, 2008

    Yeah, same thing here, I have replaced the color wheel and replaced the bulb. And still the picture goes out. It’s not the same thought now it freaks out like a computer where pixels will show in random sequence or the picture will freeze in a black and white type picture

  • Mike Lucarelli Apr 23, 2008

    After ~ 30 minutes of having a perfect picture my picture goes out or a see a black &white negative and I can not turn the TV off without pulling the power cord from the socket. I have paid over $500 in lsat 6 mos to have this diagnosed and all the company did was replace the bulb. Help please

  • Anonymous Dec 10, 2008

    Same problem here.  Picture freezes up, goes black & white, only way to recover is to unplug from wall.  Not sure what to do...

  • minnffhlp Dec 16, 2008

    I just put a new color wheel in - Samsung HLN4365W. Looks great for about 20-30 minutes and then freezes up with negative like colors. Going to unplug it for the night to see re-calibrating helps (read that on another site - worth a shot before I spend more time to resolve)???

  • GUS 2341 Dec 30, 2008

    Same symptoms mentioned, Picture freezing and turning black and white then shuts off. No Picture. Will not turn back on. Help. Is it the bulb needing replaced?



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  • 149 Answers

Yikes, I have never heard of the set looking like a negative before. What model# do you own?

Posted on Sep 24, 2007


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1 Answer

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.

Nov 20, 2010 | Samsung HLN617W 61" Rear Projection HDTV

3 Answers

Samsung tv HLN507W. Started out 6 months ago making a humming noice. Now it the screen freezes and goes black and white and the 3 buttons in the front are blinking. We turn it off and it will work for a...

I think you have a colorwheel with bearings that are noisy and theres no telling how long it will last . Could be days or years, just noisy. But a colorwheel will not cause a picture to freeze. Sounds like two problems- a questionable colorwheel and a failing dmd board .
Most likely your problem is on the DMD Assy Board P/N BP96-00249A . More presicely there is a few bad electronic components on that board that are bad. That board can be repaired by replacing the bad components (and the other few compoonents that are probly going bad and will soon cause your tv to lockup and lose remote and button functions when it fails so you will need to unplug it to get it on again).
Or the DMD board can be replaced .But it is not a cheap board.
For removal and Installation of the DMD board I would reccomend a tv service person because it is in the heart of the television and there are some adjustements to be made when the new board is installed.
To get the new board you could probably find it by just gooogling the part number.
Component level repair would require some experience in desoldering and soldering SMT,SMD , and or surface mount components.The actual components are about $15.00 total so just repairing your board should cost about $125.00 by a qualified servicer (if you were to remove and install it yourself). This DMD board is used in many models and can has few common problems.
HLM437W HLM4365W HLM5065W HLM507W HLM617W HLN437W HLN4365W HLN467W HLN507W HLN50665W HLN567W HLN617W ( L2 and L5 chassis )
-Intermittant picture freezing with a negative looking B/W frozen picture.
-Intermittant loss of pic with/without shutdown
-abnormal color wheel noise if attempted to start right after shutdown.
-lockup of tv control functions . Remote and front keypad do nothing , TV must be unplugged to reset .
-horizantal tearing, distortion , flippnig , solarization , red picture, leading to blank screen and lockup.(tv menu would be affected by all picture defects if caused by DMD board).
Hope this helps someone..

Jun 21, 2010 | Samsung DLP HL-P5663W 56" TV

1 Answer

Humming noise

There are only two moving parts in this set. The fans and the color wheel. Typically when the color wheel starts to break or go on the fritz, the tv stops working. Count your blessings you've still got the picture. Open the back and turn the tv on. The color wheel is located on the optics block tray. The fans are very visible with the back off. Stop the fan for a second and see if the sound goes away. If not, you might want to start looking around for a replacement color wheel. is a good place to start. Sometimes carries them too. Be aware that there two different wheels available. If the fan is the culprit of your problem. Radioshack will likely have a replacement for you. If you need further help, post a comment or email me and I'll send you pictures of what to look for.
Good luck.

Mar 21, 2009 | Samsung HL-P5063W 50" Rear Projection HDTV

1 Answer

Black and white screen...

The color wheel can cause a black and white picture but not the jumpy or negative look.
Those symptoms are usually caused by the DMD assy which drives the color wheel and is somewhat expensive, most of the time you can purchase the whole Light Engine which includes the DMD assy for the same price.

Mar 20, 2009 | Samsung HLN617W 61" Rear Projection HDTV

1 Answer

Color wheel or fan?

Sounds like the color wheel has shatterd, thats a fairly common problem with that model.

Jul 14, 2008 | Samsung HLP4663W 46" Rear Projection HDTV

1 Answer

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.

May 23, 2007 | Samsung HLN617W 61" Rear Projection HDTV

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