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There is three LCD in the projector red, green and blue. If green LCD make any fault mean line or dot or dots then screen show these line or dot in purple color:
If line is very straight and sharp edges then green LCD is faulty and need to be replaced.
If line is not straight and faded edges then some thing in LCD block so your projector need service
If the yellow area edges are sharp then the blue LCD is faulty and need to be replaced.
If the yellow area edges are not sharp and you get the multi color background in you image the your need service. due to dust on LCD panals the light is not pass on properly so you open the projector and clean the LCD block.
(cleaning of LCD block and other parts of the projector is a very technical job please very very carefully)
Hi, A yellowing image, especially if it's circular in shape indicates the BLUE LCD polarizer is burned from overheating or just a lot of hours on it & it needs to be replaced to make the yellow go away. You can purchase a new filter from hundreds of online retailers. Just do a search on Google for "NEC VT595 Filter" REPAIRS: If you're interested I do replace the polarizer filter panels. I have parts in stock for the NEC VT595. The repair quote is $50 & if you have it repaired the $50 is put toward the repair. The repair will include cleaning all the LCD panels, filters, lenses, etc. on the inside which will bring back the original sharp picture again. If you like you can email me at firstname.lastname@example.org for more information on having it repaired. Thank You, Jim Peters Big Screen Projectors PRMHELP@EARTHLINK.NET
QUALITY NEW, USED & REFURBISHED PROJECTOR SALES & REPAIR See our products on Ebay at Seller ID BIG*SCREEN*PROJECTORS With over 3,000 sales we still carry a 100% positive feedback rating!
QUALITY NEW, USED & NEW PROJECTOR SALES & REPAIR See our products on Ebay at Seller ID BIG*SCREEN*PROJECTORS With over 3,000 sales we still carry a 100% positive feedback rating!
If this projector is an LCD (liquid crystal display), your LCD probably gone.This usually happens after a period of time with an LCD projector.Try cleaning the LCD or take it to your Sony dealer.
From your description, it sounds like a problem with the blue color. Green LCD=purple onscreen, Red=cyan(baby blue) onscreen, Blue LCD=yellow onscreen. It could be a lot of dust on the blue lcd panel, or worse, might be a burned polarizer filter behind the lcd panel due to excessive heat. If you can focus on the yellow and its tons of yellow specs, its dust. A burned filter however, must be replaced. A technician trained in projectors will have to do it. The filter material is glued to a thin glass panel and is replaced as a single filter. It's a very involved repair.
there is a burned-in spot on the polerizer light filter for the blue lcd. it makes sure the light is blue coming through, that's why it is black on a blue screen, and yellow when the red and green are the only light showing through. it needs to be replaced. pat # PFiLW0213CEZZ.
The blue device is dying allowing green to shine thru instead of white. Very common problem called color decay. Happens on average about evey3-4000 hours. I suggest next purchase a dlp product, they are immune to this problem. Good luck