Question about Samsung HC-P4752W 47" Rear Projection HDTV-Ready Television

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Tv makes a humming noise

We have a samsung projection tv model#HL-R4266W that makes a humming noise everytime you turn on the tv, and gets louder at times, it also makes the noise when you first turn it off, like a fan turning off sort of , but we did check the fan on the back and it isn't that. The picture also has a gray shaded line on the left side of the screen, maybe a half inch or so could this also be related to the sound?

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Check for bad color wheel....may sould like a grinding sound

Posted on Mar 02, 2009

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I have a samsung model #HL-R4266W tv, It is making a humming sound, and has no color other than it being in black and white the picture looks fine, what could be the problem?


This tv design have a colors wheel in it,have humming sound or loud motor noises.The colors flashes Black&White or lost all colors.The colors wheel is dying and the causes.The colors wheel replacement are not a do it ur self project.Hire a tv Tech. to do it right the first time.Colors wheel sit way back close to the Light Projection Engine itself.

Dec 30, 2010 | Samsung HL-R4266W 42" HDTV-Ready...

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We lost the pcture on our Samsung HL-R4266W and we got a blinking "Lamp" in the center of the screen while there was a deep humming noise. I called Fry's Electronics where I had purchased the TV in Dec....


I learned that the problem was a broken color wheel instead of a bad lamp. It appears that the color wheel gets very hot and brittle because of the proximity to the lamp. Eventually, parts of one or more of the glass wheel-blades break off and make noise if they are still next to the wheel.

Jan 07, 2010 | Samsung HL-R4266W 42" HDTV-Ready...

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My Samsung DLP TV HL-R4266W is making a noise when I Turn it off. It sounds like the fan is rubbing on something. I took the back off and all 3 fans look fine. Could the noise be the Color Wheel and is...


Yes, the Color Wheel would be the only thing left. I am not sure about this exact model but the Color Wheel in other Samsung models are replaceable.
Hope this helps,
Skyassoc

Jul 06, 2009 | Samsung HL-R4264W 42" DLP HDTV

1 Answer

Humming noise from tv


Yes a humming noise on that model is usually related to the color wheel It will get progressively louder

Jan 17, 2009 | Samsung HLP4663W 46" Rear Projection HDTV

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Whining Noise and Image Problems


You better to check the color wheel or Lamp ballast.

Normally, the noise comes from color wheel.

Jan 17, 2009 | Samsung HL-R4266W 42" HDTV-Ready...

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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

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Samsung hlr4266wx dlp tv shuts off


This tv usually if detects a fault will display via leds a error flash code. Refer to Owners manual for What the codes are for. If you go to Samsung Website Copy and paste link for manual.
http://www.samsung.com/us/support/search/supportSearchResultView.do?group=televisions&group_cd=&type=televisions&type_cd=02010000&subtype=dlptv&subtype_cd=02010300&model_nm=HLR4266W&dType=D&vType=R&mType=&model_cd=&menu=download&prd_ia_cd=02010300&acc_ia_fl=N&disp_nm=HL-R4266W

Problem may be lamp is failing or ballast which operates lamp may be Bad. Could also be Temperature fault from Inoperable fan or Color wheel. Bulb of course is first choice of possible problem followed by color wheel then ballast. Color wheels usually will start making bearing noise when they start to fail. Hope this helps.

Jan 14, 2008 | Samsung HL-R4266W 42" HDTV-Ready...

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