Question about Samsung HLP4663W 46" Rear Projection HDTV

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Light is blinking and indicator says cooling fan. Could it be anything else? Color wheel was replaced 2 weeks ago.

A technition replaced color wheel and set still shuts off and lights are blinking. Cooling fan or something else? It runs a few minutes and then shuts off

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Sounds like the lamp is going out

Posted on Aug 03, 2008

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Model WD-65734. Why is there no picture?


Never heard of a color wheel needing to be replaced. Both cooling fans need to be clean and turn easily. Color wheel fan needs to turn easily. If any one of these motors does not turn, the controller will cause a shut-down. The Xenon lamp uses high voltage to operate. If the power supply was damaged, the lamp won't light. The sparking on the ballast board indicates that dirt or dust may be causing the problem. Also, the clamping diodes and regulator may be defective. If possible, try replacing the lamp power board. Regards.

Dec 22, 2015 | Mitsubishi WD Projection Televisions

1 Answer

Samsung DLP hlp5063wx/xaa - Cycles through the warm up 2 times but does not turn on, then 3 lights flash on the front (2 green, 1 red) Bulb is new and looks good, fans seem to be spinning freely. Any...


If your having the "3 light" problem it could be an indication of a bad lamp however if there is a buzzing or a grinding sound it could be one of two moving parts. The color wheel or the cooling fan. I would go the cheaper route and replace the color wheel first since you say the fan is spinning. The thing is the lamp will not turn on if there is a problem with one of the other two parts. The motor on the cooling fan is too small for such a big fan so I would definately try it next. It's a big problem with the DLP tvs. good luck!

Feb 14, 2011 | Samsung Projection Televisions

1 Answer

My picture won't show after replacing the lamp


Actually that humming sound was not the lamp, the humming sounds come from color wheels when they're going out, and since the color wheel is part of the light engine system and it's not working, that's why you don't have an image, you'll probably ask your self why, since it's not the lamp.. the thing is that the light engine system is componed by lamp, ballast, color wheel and dmd board, so when one of these doesn't work, there will be no image reflected, because they work together

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

3 Answers

Buzzing sound with volume off/mute samsung 6163


It sounds like your color wheel. If you are handy at all you can change it pretty easily for the price of the part (probably around $90-$110) and a couple hours of your time. Here is a link to a video showing you the step by step process. http://www.youtube.com/watch?v=Cx4pbNjsxfU good luck..

May 28, 2009 | Samsung HLP6163W 61" Rear Projection...

1 Answer

Cooling fan is loud . I'm going to replace the lamp in the unit because all 3 lamps are blinking on the front panel. Unit shuts down but I'm wondering if there is a seperate cooling fan in the back of the...


That's probably the Color Wheel you are hearing. When you turn the set on the color wheel has to run, one of the several things that has to happen for the set to come on. The color wheel sends a signal back to the control circuit to tell it it's running. If these sets fail to light the lamp they will shut off and try again, that's why you hear the color wheel start then wind down then start again. The set should try three times before it decides it's not going to be able to turn on.

One way you can tell the difference in the fan sound and color wheel sound is if you can get the set on, let it run for a little while so it gets warm, then when you turn it off the color wheel will start winding down but the fans will continue to run for a minute or two.

Mar 25, 2009 | Samsung HLN617W 61" Rear Projection HDTV

1 Answer

Lamp light turns red


Yes this is the signal for a bad lamp. Other things can cause this. 1. Look at the new lamp. make sure it still looks good. not broken with little glass pieaces in it. 2. When you turn on the tv, put your ear to the lower back part of the tv near the middle. Listen for the start up of the color wheel (a low high pitch sound only at the start up of the motor). If this is good you will here a ticking sound only if the lamp dose not light.

Now with all this info. If the lamp lights (as seen from the back of the set) and goes out after a few seconds and you did not here the color wheel spin up, the color wheel is bad.

If you here the color wheel spin up and no ticking sound, the Ballast is bad.

The ballast part no. 939P978010

The color wheel is not avialable from Mits. You will have to replaced the light engine. It cost to much. Just buy a new tv.

Sep 03, 2008 | Mitsubishi WD-62327 62" Rear Projection...

1 Answer

Won't Turn On


I just went through this issue. First, we replaced the bulb which did nothing.  Next, I swapped out the ballast assembly which did nothing.
Basically, the color wheel is not spinning up, preventing the lamp from firing.  One cannot buy just the color wheel, though.  You need the entire light engine which is about $2000.  Only, they are no longer available.
I may take this unit over to my shop and try whacking the color wheel and see if it will spin up.  If it does, then problem found.  If not, the set is landfill bound.

Jun 24, 2008 | Panasonic PT-52DL10 52" Rear Projection...

3 Answers

Samsung DLP will not turn on


If your having the "3 light" problem it could be an indication of a bad lamp however if there is a buzzing or a grinding sound it could be one of two moving parts. The color wheel or the cooling fan. I would go the cheaper route and replace the color wheel first. The thing is the lamp will not turn on if there is a problem with one of the other two parts. TRUST me ... I've replaced all three parts just to find out it was only the cooling fan. (at least I have another lamp handy when the new one goes out). The motor on the cooling fan is too small for such a big fan so I would definately try it first. It's a big problem with the DLP tvs. Hope this helps.

Jan 25, 2008 | Samsung HL-R6167W 61" HDTV

1 Answer

Buzzing


I have this same issue with mine as well. It is most likely the color wheel. Unfortunately I cannot find a replacement for it.

Dec 27, 2007 | RCA HD50LPW42 50" Rear Projection HDTV

14 Answers

My TV loudly hums when I turn it on


Ok, I just picked one of these babies up this past weekend. It was cheap, so I didn't bother with the research once i saw that it powered on and seemed to work.

It was sold very cheap because it was throwing codes, which the previous owner was told was a cooling fan. Due to my computer hardware experience, I decided to trace what the problem was. The 2 accessible fans were working flawlessly and silently, the 3rd fan (going to the input components) was stopped due to dust bunnies. A can of air and a complete cleanout solved all issues with the cooling fan codes. The loud annoying hum is the motor that turns the color wheel. Since I had everything out of the TV anyway, I decided to trace the sound which is actually behind the color wheel and sounds more like a bearing or mis-balance in the spinning motor. The color wheel itself is in perfect condition.

In the meantime....annoying hums are fixed simply by turning the volume on your tv or sound system up - it's barely noticable during normal operation and is only really annoying when initally turning it on.

Hope this helps someone.

May 06, 2007 | Sharp 56DR650 56" Rear Projection HDTV

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