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Replace lamp in tv because symptom shows lamp is near to end of its working hours life and causing that problem. If lamp has not been replaced in tv in last 2-3 years, its time to replace it to solve the issue. Lamp replacement procedure is easy and written in user manual. Thanks.
Blue blotches spreading over the screen are failure of the optical block
contact Sony to see if you are eligable for a free repair.
Sony will cover the cost of the optical block repair (parts and labor)
at no charge through December 31, 2008 for 2004 Model Year Grand WEGA™
Televisions with the blue spot problem.
Models: KDF-42WE655, KDF-50WE655, KDF-55WF655, KDF-60WF655, KDF-55XS955, KDF-60XS955, KF-42WE620, and KF-50WE620
Don't bedeterred by the dating of this announcement, it is a manufacturing fault and they have been pr5etty good to a lot of people with the same problem.
Please adjust TINT control of Video Settings in Menu that will adjust color tone of TV. I do not think this problem is related with Lamp because TV screen does not have any color blobs or spots. Above solution is for Sony KDF-55WF655 model TV, if your model number is different, let me know. Thanks.
This TV has a known problem with the optical Block. Please call Sony Customer Relation and ***** them until they send someone to replace the optical block
http://repairs.sunnyoasis.com/sonylcdtv/ this is a link on what to do i had same problem picture is like brand new now good luck this takes about 3 to 4 hrs
Sony wega blue dot or star pattern on screen http://esupport.sony.com/perl/news-item.pl?news_id=206&mdl=KDF42WE655 Models: KDF-42WE655, KDF-50WE655, KDF-55WF655, KDF-60WF655, KDF-55XS955, KDF-60XS955, KF-42WE620, and KF-50WE620 Sony LCD Rear Projection TV - Optical Block Problems http://splinke.googlepages.com/sonyrearprojectionlcdtv-opticalblock
Sony wega blue dot or star pattern on screen http://esupport.sony.com/perl/news-item.pl?news_id=206&mdl=KDF42WE655 Models: KDF-42WE655, KDF-50WE655, KDF-55WF655, KDF-60WF655, KDF-55XS955, KDF-60XS955, KF-42WE620, and KF-50WE620 Sony LCD Rear Projection TV - Optical Block Problems
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