Question about Samsung HLP4663W 46" Rear Projection HDTV

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Loud noise when Tv comes on souns like fan.

Is the fan damaged or is it the lamp or both? The loud started a week ago when turning the set off. It was about 10 sec. Now, the noise is loud once the set is turned on. Any thoughts??

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  • Anonymous Dec 07, 2008

    Same thing was happening to me about 3 weeks ago. Sounds like one of those grass blowers. Now the tv will not came on at all on flashes the 3 lights near the power button. Tried replacing the Lamp but that did not resolve the issue. TV still will not come on! Sucks a lot!

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The loud noise is the color wheel winding down when you turn the TV off. You need to replace the color wheel.

Posted on Jan 22, 2009

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Samsung dlp tv HLP5663W makes loud noise


Yes, the set uses a color wheel and the lamp faces it.

The wheel turns at over 8,000 rpm and is well known for this problem=bearings in the tiny motor go bad.

The high pitched or fan like noise (classic description) is this part.

Sooner or later the wheel (plastic colored segments) will shatter and set will shut down lamp and not operate---set monitors the speed of the wheel so if it slows down or stops it knows.

The part is readily available on the internet (Google the model number with "color wheel").

This can be a do it yourself repair and You Tube has video instructions for replacing the wheel by model number.

There are two common pitfalls to avoid which the instructions that come with the replacement part usually do not mention---if you decide to do this repair let me know and I will explain.


5_27_2012_3_26_53_pm.jpg

SD TECH

May 26, 2012 | Projection Televisions

1 Answer

About a week ago I replaced the lamp in my samsung hls24266 with no incident. Now when I turn the tv on, I hear a very loud humming noise. I tried disconnecting the coaxial cable but it does not go away....


I can't explain the timing of your problem and why it showed up after lamp replacement, but Samsung color wheel failures are usually associated with a rather loud hum. I would removed the back, jumper the lamp door switch and try to determine exactly where the hum is originating from. I think you'll find the color wheel is the culprit.

Bill W
integrityhomeworx.com

Mar 08, 2011 | Samsung HLS4266 TV

1 Answer

When I turn my tv on it makes this loud noise like a motor is running and I have no picture. Any ideas of what the problem may be??


hi,
you have to che check three thing in your tv
1. lamp
2. lamp cooling fan
3. color wheel
you have mentioned that there is a loud sound can caused by the lamp cooling fan or by the color wheel. when the bearing of any one get damaged it will create aloud noise.
check the color wheel first. also check the lamp is it broken or not. if you need any more assistance feel free to contact me through fixya
ok

Feb 02, 2011 | Samsung HL-R4667W Rear Projection...

1 Answer

Loud noise coming from Lamp area


The fans in these generaly do not go bad, the part nubmer for the lamp cooling fan is 265943. But my guess is that the color wheel is starting to go out of you light engine. I am not sure if these are still avalable but the part nubmer for it would be 267888. Worst case you could send your engine in for repair engine nubmer should be 265864 or order a repacement try this site. GOOD LUCK http://www.moduslinkptstvboards.com/Default.aspx

Aug 13, 2009 | RCA HD50LPW165 50" Rear Projection HDTV

1 Answer

Lamp won't come on and loud rattle in back of tv


Probably a defective color wheel. The bearings are bad or perhaps the wheel itself is broken.

Jun 12, 2009 | Samsung HLR5067WX 50" Rear Projection HDTV

1 Answer

I have owned a Sony Grand Wega for about 3 years now and for the past few months the TV has been making a very loud noise. I thought the noise was the fan but came to find out it was not the fan and was...


Hello,

There is a fan beside the lamp chamber in this TV. There should be 4 fans total, and the one beside the lamp chamber might be making some noise. They are all bearingless fans, so the noise should be relatively low-pitched "whirr" if it is the fan. If the noise is more of a buzzing sound, it could be coming from the lamp driver (ballast) or from the lamp itself. Lamps tend to do strange things toward the end of their life.

If you have never changed the lamp, it is about time. They have a 2.5 -3 year life span with average use.

One thing you can try is to turn the TV on from a cold start, and watch inside the vent areas beside the lamp chamber. If you hear the noise before you see the lamp light up, then it is probably a fan. If it starts as soon as you see the lamp light up, it is the lamp or ballast.

Hope this helps you...

Jan 06, 2009 | Sony Grand WEGA KDF-60XBR950 60" Rear...

1 Answer

Loud squealing noise first 5 minutes after tv is turned on


Sounds like the color wheel. It's the only moving part in most DLP's and the bearings can go bad. If it manages to get up to speed the picture may look normal. One temporary solution may be to let it run a few minutes, then turn the set off for 10 minutes, then turn back on. When my color wheel was going bad that would often quieten it down. For the rest of the day, try to leave the set on, especially if you're only going to be away from the TV for short periods. You can turn off your cable or satellite box but leave the set on and you won't have to go through the hassle of trying to quieten down the color wheel until the next cold start. Of course the best solution is to replace the color wheel which even with a rebuilt unit won't be cheap if your warranty is expired.

Nov 02, 2008 | RCA HD61LPW165 61" Projection HDTV

1 Answer

Loud noise


I believe it is the color wheel. The motor might be going bad or it has dirt or dust in it.

I hope this helps
Shuttle83

Nov 06, 2007 | Toshiba 62HM95 62" HDTV

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