Question about Mitsubishi WD-62825 62" Rear Projection HDTV

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Green people on my mitsubishi wd62827

The grills behind the bulb are distorted from overheating.i moved itfarther from the wall,i can barely detect any air movement coming from inside.
its a year &1/2 old and gets plenty of use.we live in phoenix,so in summer it's usually 75 degrees inside the house.i thought about mounting a small box fan about the size of opening to help pull air out of unit,seems to be a problem with air flow? what do you think?
originally i thought the bulb needed replaced.but after letting it cool down(power off),it would be ok for a while.got to where people turned green & gray after 10 minutes.i took the back cover off &vacuumed all dust,3 fans run,1in front of bulb,main one in center &1behind circuits.put it back together & works maybe 2 hours before people turn green.i think it has a ventilation problem.can you help me ?thanks in advance
gryerkes@cox.net

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  • 346 Answers

Could be the green bias control on the crt board

Posted on May 26, 2008

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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.

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A WD62827 is a V30+ chassis and is a DLP format projection screen Tv, not a flat screen, am I missing something?? For the symptoms you're describing with a WD62827 remove and reseat the DVI cable between the chassis and optical engine. If removing and reseating the DVI cable does not resolve the issue you may need to replace the Optical Engine part # 938P019020
BTW the current software version for this unit is 7.04.1F if you have anything less you might think about updating the software also..
Hope this helps!
Bill

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1 Answer

Round shadows in picture


Sounds like the Bulb is almost out of life or a dustball or something is moving around inside the light compartment. Look in the instruction or user manual on replaceing bulb or opening bulb compartment or call Mits. for a service center in your area. Good Luck

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