We have a Mitsubishi 52'' TV, Model WD-52631. We turned it on and the green light turned to red and we lost the picture. We still have the sound. We had been having problems with the Air Flow warning. I removed the projection bulb and the filament appears to be intact. There is a small cloudy spot in the center of the lamp lense, though. And when we turn the TV on there is a slight whining sound and then a click and and the whining sound slows down and stops. .

It is possible either did not get all the dirty areas in front, and rear of set cleaned out or even that the ballast for the unit is this problem since it powers the lamp---lamp will come on and then turn off for a number of reasons.

The set does have a self diagnostic feature which usually is:

Mitsubishi TVtroubleshooting
Here's something that might also be useful. After you turn on the set, and getthe regular red blinky lights, hold down the Device and Menu buttons togetherfor 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 filtercover 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 cablebetween FMT and Engine disconnected

If you google the model number and lamp you should get a better price and usually get one in just a few days.

Hi, have you replaced the lamp after 2-3 yrs of usage? The lamps used by mitsubishi tend to last around 4000 hrs 1-3 yrs.It is common for the green light to light up.Other common failures are the ballast which is the board that powers the lamp.Also check if its not overheatin, dust out the fans.Heres where u can get the lamp or ballast http://www.discount-merchant.com/SearchResults.asp?Search=wd-52631

Tv LED "LAMP" light indication is blinking?And ur tv projection lamp inside ur tv been used like 1 1/2 or 2 years.Yes.The tv projection lamp require changing,tv projection lamp life are ended.

No,probally a capacitor the help the power supply board to work or other boards to work is blown.Call some tv shops get a best quotes prices,get a tv tech out to it fix,if ur tv is out of warrenty.

You need to replace the lamp.

check the lamp

unplug it from the wall, wait 30 seconds, then plug it back in. i had the same problem and this simple solution worked for me. Good Luck!!!!

Greetings!
There's a part inside of your tv that over heat, when a minute comes it stop because of the heat. Better check with a tv technician or repair man before the damage became worse.
Thanks.

Nope the bulb is fine. This set sucks up dust and contaminates the light engine. Rarley does blowing the set out with compressed air fix this, The light engine can be disassembled and cleaned but this is best left to someone who has done this once before. Because if it gets messed up you get to buy a $1500.00 light engine