Question about Mitsubishi WD-57731 57" Projection HDTV

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Blinking yellow light on Mitsubishi wd 57731

My Mitsubishi WD 57731 DLP TV won't turn on. On the front panel there is a blinking yellow light. What does this mean?

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AAA TV Service

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  • 271 Answers

Based on the service manual:
Blinking yellow= Lamp cover is open.
It could be something else!

www.aaatvservice.com

Posted on Aug 15, 2014

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Anonymous

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SOURCE: mitsubishi wd-62825 dlp

The WD62825 has a Digital Module located on the left side of the chassis looking at it from the rear of the set. It's housed in a metal box that can slide out of its holder after removing the trim screws.
The module has its own power supply board and there are a group of 16v/1000uf caps on that board which commonly fail causing the constant flashing standby light. Further back on the module is a small board about the size of a matchbook called the E2P module. Its SMT (Surface Mount Technology) caps also commonly fail which can cause the same symptoms. Techs can tell whether the E2P has failed by simply removing it, hooking the DM back up and trying to power the set. If it powers on the picture won't be much good - but at least you can tell what's keeping it down...
Back to the caps on the pwr board. If they've failed they usually will buldge visibly on top. And ESR is almost not necessary. In any event that's the nuts and bolts on this model.
Is it a job for a layman? Yes and no - you might strongly consider a tech if you don't feel comfortable removing all the connections that the DM has with the signal board. There are about six - multi-pin - wired connections to unplug and then sliding the DM out of the unit and carefully removing the screws and latching to take the DM top cover off...
Hope this helps.
Bill

Posted on Nov 10, 2007

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SD Tech

SD Tech

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SOURCE: wd-65737 screen comes on with mitsubishi logo then shuts off ,red light blinking

Here is a suggestion that has worked for several people:

http://www.fixya.com/support/t12296849-turns_off_shortly_after_turn?mt_f=viewFull162

Posted on May 30, 2012

SD Tech

SD Tech

  • 14553 Answers

SOURCE: wd-60737 mitsubishi blinking yellow status light ?

Mitsubishi TV troubleshooting
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 Oct 26, 2012

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What does the yellow blinking light mean on Mitsubishi WD65837


Hi,

Here is a whole list for you :

Mitsubishi Blinking Codes :

Constant Green - TV is Powered On
Constant Red - Lamp Failure
Constant Yellow - DMD temp is very high
Blinking Yellow - Lamp cover is open
1 Red Blink, 6 Yellow Blinks - Color Wheel Failure
3 Red Blinks, 4 Yellow Blinks - Lamp Failure
3 Red Blinks, 6 Yellow Blinks - Exhaust Fan Not Working
3 Red Blinks, 7 Yellow Blinks - DMD Fan is not rotating
5 Red Blinks, 7 Yellow Blinks - Ballast Problem
6 Red Blinks, 6 Yellow Blinks - Lamp Missing, Bad Cable between lamp and ballast

And the Lamp cover must be here somewhere in your TV :
8a100447-77fc-441c-85ee-28a376a2e37f.jpg

For more you can refer to the below link :
Mitsubishi DLP TV Blinking Code Errors Explained Overview of Each...

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