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Hln43w. Screen went dark. 3 lights on front flashed, and TC emitted a high pitch whine. Replaced lamp. 3 lights no longer flash, but whine is still present and screen is still dark.

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If there anything like commercial flourescent cieling lights, there is a unit called a ballast which may be responsible for the symptoms you are observing.

Posted on May 29, 2008

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Rear projection tv wont come on. PLEASE HELP


If the set uses a lamp it MAY have a color wheel--when they fail you get a high pitched whine and or grinding sound--also often described as a fan like noise.

this is a part of the optical light engine and may not be sold as a part by itself.

If you remove the lamp and look where it faces you should if it is there be able to see it--missing any pieces or shattered and it is bad.


4_23_2012_12_15_07_am.jpg

Apr 22, 2012 | Zenith Z62DC1D Television

1 Answer

Toshiba DLP green light flashes 5 times


Inspected lamp?

Does lamp fire even for a second or two?

Any high pitched whine or fan like sounds?

What I usually do if working on a set like this is rule some things out and then Google the model to get to the Toshiba site---see if your model and blink code are listed there.

Apr 11, 2012 | Toshiba 52HM95 52" HDTV Projection...

1 Answer

High pitch whine when tv started then it lowers in pitch


That could be either the color wheel or one of the fans. try listening to which area of the set its coming from.

Apr 04, 2012 | Televison & Video

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I have a Samsung HL-R5677W TV set and now there is no picture at all. Every time you power on the TV the green light flashes and you hear this sound that repeats itself. It sounds like a camera flash, low...


I have a few questions which will determine what your problem may be.

Did or does the set make a high pitched fan like sound or a high pitched whine?

What have you examined so far?

As far as a lamp it is unlikely it will cause such a sound but if you remove it look to see it is intact and not shattered.

Let me know

SD TECH

Sep 23, 2011 | Samsung HL-R5677W 56" HDTV

1 Answer

When i turned it on screen went black...3 lights started to blink on front of screen


The "LAMP"LED light indication flashes or stay lite?The projection lamp life is over.Replaced the projection lamp.Tv require a new projection lamp.

Oct 19, 2010 | Samsung HLN5065W 50" Rear Projection...

1 Answer

When turning on samsung hln467w, lamp light blinks, screen stays dark, can hear audio from tv show, but then a high pitched sound begins for a few seconds. The tv turns on and off for a few cycles with the...


The tv have a colors wheel,have a whinning high pitch sound,mean colors wheel is warping not spinning right any more.The colors wheel is dead,must be replaced.The tv have high pitch sound,shutdown the projection lamp.The projection lamp might be dead or not?Not yet determine dead or just shutdown by the nonfunction of the colors wheel.

Aug 05, 2010 | Samsung HLN467W 46" Rear Projection HDTV

1 Answer

My screen went blank and the 3 lights on the front of the tv were flashing (lamp/temp). I ordered, received, and replaced lamp as I had done previously with this problem. The tv worked beautifully for...


Hi,do you hear any strange noises? if you heart clicking or like wanting to turn on it could be the ballast that's the board that powers the lamp.Do you hear buzzing,whirling,or high pitch sounds?If you do it could be the color wheel which is a little disc looking that when the light of the lamp goes through it creates the colors on the tv.This are the most common failures on samsungs.

Sep 30, 2009 | Samsung DLP HL-P4663W 46" Rear Projection...

1 Answer

Exact problem, lamp comes on, no picture, lamp light flashes.


remove the lamp and with a light and or mirror look where the front of the lamp faces--there is a color wheel there--if it is shattered or damaged the set will not come on--most of these sets have a high pitched whine or grinding noise if this happens---the wheel is available on the internet and a moderate job to replace--I have seen lots of them bad---if you want an idea of what it looks like--etower.766@netzero.net Steve

Aug 10, 2009 | Samsung HL-P4667W 46" Rear Projection HDTV

1 Answer

RCA HD61LPW42 - no picture


I haven't worked on an RCA DLP but have on Samsung DLP, based on your description it sounds like the color wheel is bad. Take the back off and turn on TV make sure its not a fan making the noise ,but most likely its the "wheel" it is inside the light engine probably right next to where the lamp is plugged in. If the whine comes from this area definitely the wheel.

Apr 26, 2009 | RCA HD61LPW42 61" Rear Projection HDTV

2 Answers

No picture on Samsung HLN5065W


sounds like the color wheel has gone bad..the part is not very expensive but it takes some work to replace it

Nov 29, 2007 | Samsung HLN5065W 50" Rear Projection...

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