My mitsubishi WD-52725 screen was blue with almost an oscilloscope look through the middle of screen. When I brought up the tv guide, the tv guide looked normal except with osilloscope noise look running through the middle of the screen. Then my lamp light turned red and no screen at all. I thought the lamp went out so I changed it. Now the new lamp stays light around 5 seconds turns off and tv remains power up state for 1 minute then the red lamp light turns on and tv shuts off. The reason I know the lamp stays lit for approx. 5 seconds is I removed the lamp cover and defaulted the cover sw. so I could see what was going on. Any ideas would be great, since I now have the tv back cover completely removed.
I doubt that it is the optical assy. it sounds more like a chassis problem either on the DM or the FMT board.
check out www.tv-techs.com
if it is a chassis problem it will cost about $250.00 plus shipping one way to fix the chassis
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Hello. I had the same type of problem with Blue Screen Oscope looking. A technician came out and suspected the Optical Assy or Power Supply. So far he has to return to futher troubleshoot. My lamp was replaced about a month ago and this seems to be a new problem. Have you fixed it yet?
Same problem on WD-62525
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