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Nope you need a complete light engine. Go here:
http://www.tristatemodule.com/ Look up the model number or find the number and call them. they will also rebuild some light engines for a really good price, as a new engine can cost over a 1000 bucks. Good Luck
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hello my name is rico, i work on tvs sometimes. The model of tv you have is very common bad light engine, because you mention there is yellow haze on lower left corner, if you need more help please feel free to call me anytime, i live in mesa az at 602-810-7149. And is not worth to get fix because the L.E. will cost you between $500.00-1000.00.
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!
The light engine in your set has gone belly up. It is a very expensive repair. Good news is that on a whole bunch of models like yours Sony has extended the waranty on the light engine. Check with a local authorized Sony service center and give them the model & serial number and you might get a free ride. If I were a betting man I'd take odds on 'you're in luck'. LOL
I have the same problem with blue haze that just spread out on model 55VS69A ,
tv is almost 2 years old. i called hitachi and they advised to call a local repair center to check the tv...they confirmed Optical Block (light engine ) replacement light engine cost $1400 and labour $400, so i called back hitachi and they said they will provide light engine and will have to pay labour!....this is not right paying out of pocket for a tv less than 2 years old....I am not sure if the issue will resurface again...more likely ....Hitachi is supposed to issue a recall or atleast like sony did to cover all cost for there defective TV's....I will NEVER buy hitach again.