You should do a regular cleaning maintenance to the air filter and exchange it regularly. Small dust particules may get into the internal projection module and those spots became visible.
SOURCE: Sony Wega purple spots KF50WE610
How does a person go about getting an optical assy and what would the cost be?
SOURCE: Picture is distorted on my Sony Grand WEGA KDP-65WS550 65 in. Rear Projection HDTV Television
Hi,
Can you paste snap of distorted picture of tv here to understand what kind of distortion is this.
Thank you.
SOURCE: Pink and Blue Spots
Contact sony as they have been helping customers with the blue spot issue on alot of the wega as the optical block fails causing the blue spots.Sony will cover the cost of the repair. Heres the link to Sony explaining what they will do.
http://esupport.sony.com/perl/news-item.pl?news_id=206&mdl=KDF42WE655
SOURCE: wega KDF-50WE655 has purple spots, support says wega engine bad
I have over 10 years experience in electronic tech support.
I
know this isn't what you want to hear, but the problem you've described sounds like one of the circuit boards that control the picture quality needs to be replaced. The cost of the board would likely be in excess of $200. There are usually several boards in a TV like that that control the picture and when one goes, you can get anything from lines in the picture to poor picture quality from blurriness. The main question is do you want to spend $1000 to fix a used TV?
I hope I've provided you useful assistance and that this information
allows you to make an informed decision as to how to proceed from here.
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