Question about Mitsubishi WD73727 73" HDTV

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Mitsubishi WD-73727 will turn on, light is green, but no picture whatsoever. Nothing. I have tried the reset, and same thing.

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Try this push menu and input for 5 seconds. this wll cause the lights ussally a number of times pause then flash another for example flash 1 time pause then twice this is a 12 code... which by the way means no errors been recorded this will help me determine what area to troubleshoot

Posted on Apr 21, 2009

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Common Repairs
For the following models: WD-52631, WD-57731, WD-65731, WD-Y57, WD-Y65, WD-57732, WD-65732, WD-57831, WD-65831, the most common repair problem stems from television shutting off almost immediately after it has been turned on accompanied by the message, "TV will shut down in a few seconds. Please check if the air flow is blocked." According to the Mitsubishi website, this issue is caused by a loose connection as a result of a faulty thermal sensor. For models: WD-73727, WD-73827, WD-73927, WD-73732, WD-7383, the most encountered repair problem has been in relation to the optical engine. Another common situation consumers have encountered is failure of the TV to turn on along with unceasing flashing of the green power light. The solution for this problem, caused by the DM board, will vary by repairman. Consumers have also encountered issues with moving vertical or horizontal lines appearing on the screen which can either be due to problems with the capacitor, light engine, or formatter board. Make sure all bad caps are changed.

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1 Answer

No Power to light on WD-73727...


This cable attaches to the lamp,reach in behind the lamp case in the tv and hold it in place and reinsert the lamp make sure it plugs into the lamp securely.

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Your Light Engine needs replaced. Usually around $600.00-$850.00

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I believe hitting the device button will supply you with a list of input options. sounds like you are just on an input that you don't use.
rustym62

http://www.the-tv-dude.typepad.com

Apr 26, 2009 | Mitsubishi WD73727 73" HDTV

1 Answer

My wd-73727 turns on, but nothing on the screen.


Each case is different. With you behind the set I would like someone there to turn the set on and you will listen for what will sound like an arcing sound, usually about three tries, then nothing. That will tell you that the inverter is working to ignite the lamp but the lamp says no. In that case you need to take the 6x6 cover off and remove the lamp and look at it. Some shatter and that's an obvious sign of lamp failure. If you do not hear the inverter then we can suspect the color wheel which is part of the Light Engine. Only will you see a light engines failure is when a polarizer goes bad and discolors your picture. Other than that you can't tell other than trouble shooting. So let's try the lamp way first.

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Mitsubishi WD-52628 52" Inputs look like old cable scrambled channels


Change the 1000uf @16v capacitors on the FMT board that should solve your problem. You will most likely found that they have swelled. Let me know if you need further info.

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