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I have the same TV - I have a dark spot in the upper left hand corner. I have always thought this TV was dark. Be sure to get OME lamp. Cheaper ones are not worth it and can damage your TV more. dlplampsource,com--Just a note if this ever happens to you. TV would not come on in the AM-Had no picture, but had sound. It was not the lamp, but the safety switch. It's blue and at the bottom of the lamp housing. As soon as I flipped it and replaced the back cover, the TV came on.
check if the white spots are well defined square pixels on the screen. If they are then you may have pixel failure.
After turning on the projector, press "+" and "-" buttons on the control panel simultaneously and release the buttons when screen goes blank.
Press "+" and "-" buttons again to exit the diagnostic mode.
While in Self-diagnostic mode, the screen will run a seven-color-cycle test as following: "Red--> Green--> Blue--> White--> Watchet Blue--> Dark Green--> Yellow." Ensure that the colors of the test pattern are correct.
If you believe it's dirt then disconnect from the power and undo the screws underneath the unit. lift the cover over the front of the machine and carefully remove the pcb to get at the optics. don't touch and glass bits with your bare fingers. clean the optics bits as necessary with a camera dust blower bellows. best of luck.
Sony TVs has an Optical Block issue. If there is an issue with the optical block, then there will be green, blue patches or tint on the TV display. Try resetting the TV to the factory settings and try Power resetting the TV. Turn Off the TV and remove the power plug from the wall outlet for 1 minute and reconnect it and check the operation. If the issue still persists, then TV may require service. You can contact the Customer relations team and check for the available options. Sony had repaired free of cost for such issues. Hence, contact the customer relations.
Hi , it seems you are experimenting a light engine problem.Here's how your tv works: http://www.youtube.com/watch?v=ZLLHnQ4y-wo Basically there's 3 LCD chips that create the colors and image by blending together.When these chips start to melt you will get those blue spots, pixilation even vertical lines.You will need to replace the light engine. Have a blessed one!