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Hello There!!!!!!
Well this is gonna take some work... First thing to start with is...
When you replace the bulb/s -does the bulb actually illuminate?
If you shine a very bright light into the surface of the screen can you see a faint image of whats on the set?
Do you get sound?
If the bulb is illuminating, is it blowing soon after?
Did the set return to normal operation after replacing the bulb the first time?
Side Note-Never touch a high power bulb glass enclosure because you can leave oils and moister that lesson the life of the bulb or make it more prone to blowing. I have no facts to support this note beside my own experiences but this is a known "thing".
Questions? Just ask. Mr.Mike
I would bet the illumination lamp has reached the end of it's life (~$40 online). Should be easy to replace. Also possible the ventilation vents need cleaning, which could cause the lamp to overheat and turn off.
Hello
Its bulb has got traoubled or its control circuit has some faut with it. it is not a user serviceable item. Replacing bulb can be done by the user according to the instructions in its user manual. But trouble shooting its control section must be done be any experienced service technician. OK.
If may be a power supply or ballast issue. The ballast feeds power into the lamp and it may not have enough power, or may not be able to FEED enough power into the lamp after it ignites it. That would account for the dim picture.
You have either a bad ballast (it powers the lamp) or a bad DMD board. Either one of those will result in a no lamp fire issue. Have a technician look at it...
The Optical Engine is the probable cause of this. Check with Mitsubishi at 1800-332-2119 and see if they could assist you in getting a Authorised Service facility out to confirm this. If it is , they may help you with the repair cost.
Hope this helps,
skyassoc
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