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This DLP projection tv is out of the market for awhile,manual User Guide are not a download able for it free anymore.Tries websites like Tvrepairworld.com,Tvrepairkits.com,these 2 websites,they are the two leading websites are dealing almost entirely for DLP projection tvs manuals User Guides,schematic spec. and components parts and used refurbishes PCB boards.Tries their websites,U will able to buy and downloadable wright away or they'll send it out to u.
This is a failure of the DMD board. The DMD board is the device that has the "million little mirrors" that compose each pixel of your display. The black specs are mirrors that are stuck in the off posistion therefore not reflecting any light at all. The white specs are the opposite reflecting light all of the time. This is a repair you should leave to a TV technician as once this board is repalced there is some electrical and mechanical alignment needed. Please take a moment to rate my answer. Thanks...
The excessive heat from your lamp has burned one or 2 polarizing lenses.
To replace this you have to pull the optic engine out of the unit and dismantle it.
You will see 3 square lenses in there, remove one by one until you find the burned one.
Then go to ebay and type in hoya polarizing lense.
Buy the 72mm one and cut it to size.
On e-bay there is one. just type in the m# of the tv and you will find one for about $50.00 (magnavox ballast) in the search window will work also. I need the power supply for this set, so if you happen to find one can you email me at firstname.lastname@example.org thank you and hope I could help.
Distoritions like the symptoms you're describing are probably a defective light engine, Mitsubishi p/n#939p977020
If you go to price a new L/E they're approximately $975.00 and $300.00 of that is core that you get back when you return the defective one.
This is NOT a replacement for the less than skilled either. Find a good reputable shop and have them do the job. If you get someone less than skilled you could end-up damaging the new L/E or something else like the color wheel.
If you're not sure where to begin looking for a reputable shop I would suggest calling NESDA (National Electronic Service Dealer's Assn.) and asking them for a referral to one of their member shops in your area.