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Re: looks like dust behind front glass on phillips...
The only way to remove the dust and or spider webs from that area is to remove the front bezel assembly and separate the protection screen, it's better to leave a svc. co. do this because the two screens behind that are very expensive. Hope this helps..
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If the red haze is not convergence---that requires parts.
The set has three picture tubes---with set unplugged and back cover removed clean the three large lens that are topside---as for the red haze a quick way to know what is wrong is with set on turn the color to zero----what color is the screen? Should be black and white--if red to some degree tracking or screen controls may need adjusting inside the set---Yellow picture in that situation is a different issue.
The easy way is with the back removed you should be able to see and reach the three lens with a lens cloth or a paper towel with glass cleaner sprayed on it.
The mirror rarely needs cleaning unless someone smokes in the house or you live in a very dusty environment.
If you have a small mirror with the back off you should be able to use it to see if the mirror is dusty; it rarely is as it hangs at a angle and dust rarely gets on it.
If you had a issue with cob webs or something on the inside of the screen the only way to deal with that is the Hard way: removal of the entire front screen assembly which is secured by screws at the bottom of it behind the front speaker grill.
This would allow you to clean the mirror, lens, and any webs or dirt on the inside of the screen.
Special care has to be taken here as once the screws are removed the screen pops out and usually requires some real care and skill to do. It is not worth damaging the screen just to look inside.
Let me know your thoughts and if you have questions I will attempt to assist you.
Thats usually caused by the front small mirror which gets dusty and the image will get very dull and washed out. Cleaning the small front mirror will restore the clarity and bright colors again. use just a damp cloth with water then dry thoroughly. If you dont know how to gain access to the small mirror up front you can get the service manual for that model emailed from the following link, It has the disassembly instructions. http://servicemanuals.vstore.ca/product_info.php/pName/wd52525-dlp/cName/mitsubishi
Remove the upper back and clean the three projector lenses with Windex and soft paper towel. You have dust build up. If there are smokers in the house then also windex the back side of the screen to get the nicotine film off. This cured my picture. I had lost fine detail and the picture looked like there was a white haze over it.
Your chassis is the DPTV 325 you can get the factory training manual for your set emailed to you at the following link. It cost 12.99 but comes with unlimited tech support if you need it. The manual is listed as DTV300 series training manual its has the trouble shooting proceedures and diagrams that you would need. heres the link. http://servicemanuals.vstore.ca/
I have found a way to clean these, the mirror is very sensitive and doesn't have a glass coating like a regular mirror and if you touch it with your hand (or in my case my forehead) even the tiniest speck of oil will distort the picture but without touching the mirror you can use a new swifter duster, any sort of cloth or tissue will leave lint. So I dusted the mirror first in case any dust fell then I cleaned the lens and blew them both off gently with air and it works great.