Question about Mitsubishi WD-52725 52". Rear Projection HDTV

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Tv cuts off reset it will come back on fan makes noise then ramps up and shuts tv off

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  • Anonymous Jan 15, 2008

    my tv is not getting air flow and keeps shutting off???

  • ssms17607 Jul 23, 2008

    I have the same problem with our MIS. WD-52725 52in. going to the blue screen and having the green light start flashing. I will count the # of flashes to see what it comes out to. We bought it new 3 years ago, replaced 1 bulb so far, so this is the second bulb.

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  • Master
  • 4,402 Answers

Here's something that might also be useful. After you turn on the set, and get the regular red blinky lights, hold down the Device and Menu buttons together for about 5 seconds.
The Power light will start to flash in a two digit sequence.

For example, 3 flashes, then 7 flashes = 37.


Here are the error codes, and the corresponding problem:

12 = No error detected, check power supply.
32 = Lamp Cover is open.
33 = Air filter cover is open.
34 = Lamp abnormality
36 = Light Engine (DMD or Lamp Fan stopped)
37 = Exhaust or Lamp Ballast Fan stopped
38 = Lamp Temperature High
39 = DMD Temperature High
41 = Short is detected
44 = DVI cable between FMT and Engine disconnected

Posted on Jan 19, 2008

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The tv usually turns on but now it won't. When it does turn on it makes a noise like a motor boat sound. The noise stays on until you shut the tv off. I'm not sure what it is I think it's the fan but


I would say that if there is a fan inside of it and it sounds like a fan bearing going bad then that is what it is. The reason for it not to be turning on anymore could be because whatever that fan is cooling has failed. Not sure.

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Easy one. Your lamp needs replaced. part number is labeled on the lamp itself and is easily accessed from the rear of the TV. Approximately 6" lamp cover removes with a few screws then a couple more for the lamp. Simply pull out and replace. Cost for the lamp is around $219. Make sure to replace with OEM parts.

Bill W
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Carrier Compressor Issues?


When you shut it off and back on it slugged the compressor if you turn it off and back on before the pressures equalize between the high and low sides it will slug the compressor and it will not run should let sit for five minutes or so before restarting. The humming is either the compressor making noise usually common for the compressor to make some noise or the fan motor bearings are getting bad on the outside unit. If the unit works normal probably not much you can do till it breaks if it is the compressor it is more economical to replace the whole unit if it is just the fan motor it is worth changing. You could take an amp draw on the fan motor and the compressor to see if the are within the limits on the name plate of the outside unit.

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TV MAKES A HUMMING NOICE WHEN TV IS ON, WHEN TOUCHING THE BACK OF TV WHERE NOISE COMING FROM IT IS VERY HOT. IT WILL THEN GET LOUDER AND EVENTUALLY CUT OFF TV. TV WILL COME BACK ON AFTER IT COOLS OFF. WHAT...


It is either the color wheel or a fan. To isolate the color wheel, remove the back cover and make sure you put the lamp door back on so that the door interlock switch is activated. Turn the set on and get the picture and humming noise going. Just to left of the rear fan there are some wires. One is a really flat brown or rust colored ribbon cable that plugs in to a board on the left of the wires. This is the color wheel ribbon. When you unplug it the set will keep going for a moment or two but if the noise stops, you will know it is the color wheel. Don't be alarmed because the set shuts off with this ribbon disconnected. Just let all the fans stop (for proper cooling) and then unplug the set for 5-10 minutes. If the humming did not stop you have a bad fan motor. Plug the little ribbon back in while you have the set uplugged. Plug the set back in and turn it back on and try to isolate which fan it is, if it is a fan. If you determine it is a color wheel, the light engine will have to be replaced as Toshiba does not offer just the color wheel. If it is a fan, those can be replaced. I hope this helps. Let me know what you find and thanks for using fixya.

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1 Answer

Samsung HLN5065W 50 in. Rear Projection HDTV-Ready


With the back off of the set it will shut off. There is a lever it engages to prevent the set being operated with the back off.

The color Wheel will cause a fan like or high pitched grinding noise. I can tell you where to buy it and also there are on the internet places with written and VIDEO instructions for the replacement in most of these sets.

Put the back on and see if the set again works and still has the noise.

If this helped you, rate this as I do this here for FREE.

SD TECH

Nov 23, 2009 | Samsung HLN5065W 50" Rear Projection...

1 Answer

Noise


this fan is a variable speed and is controlled by a board in the rear of the unit. your bearings maybe going out. The fan will ramp up to speed depending on the call for cooling the Thermistors is asking for

May 20, 2008 | GE GSS22JFMWW Side by Side Refrigerator

1 Answer

GE SidexSide PSS26SGPASS Makes Humming Noise


GE refrigs have a variable speed evaporator fan motor that is controlled by a computer board on the back of the refrig. now the noise you are hearing is most likely the fan motor ramping up and down in speed (some of my customers say it sounds like a ghost). if its a continuous ramping up and down then the speed cotroller on the board is bad and must be replaced. if its just an occasional sound then thats normal and nothing to worry over.

Btw the reason the noise stops when the door opens is because the fan shuts off when you open the door.

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