73 inch Mitsubishi manufacture date 2004
Go to menu and click on sound on this click to see if speakers are turned on if not click on if that doesnt work try the try the return to factory settings..
SOURCE: My 73' rear projection Mitsubishi turns on, an in
It Sounds like to me that there is something with in the Optical block causing the problem.
I would recommend a professional to look at it and confirm this.
Hope this helps,
Skyassoc
SOURCE: Hi there...I have mitsubishi WD-73927 manufacture
If your TV is DLP , Then your Light engine is Bad,when color changes and little spots appear it is light engine.
SOURCE: White Dots on My 73 inch Mitsubishi TV
DLP IC DEFECTIVE --Depending on model you may be able to just replace the ic --in others the complete light engine which is much more expensive
SOURCE: mitsubishi 73 inch wd-73738 no picture
Take a flashlight and at a angled view see if you can see the picture, if you can the lights burned out in the back
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