When the tv has been on a while dark areas start appearing across the middle of the screen like large ink smudges or shadows, they are not a regular shape and are approx 2 to 3 inches vertical by 6 inches horizontal. the screen is clear when tv is first turned on.
Do the smudges move around or are they in the same position all the time??If they appear in the same position it sounds like you are having a problem with the invertor panel or the back light circuitry.If you could post photo of fault would be helpfull
Was told by a repair guy that the smudges are from a defective optics unit. The price tag for a new part was $1900.00. Looking for a second opinion though, I dont fully trust this guy
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thaks for your response, marks are static and more obvious on a darker background. paul. tried to add image but too large
i also have two lines of dark smudges that appear to get bigger when the tv has been on a while .. can any one tell me how to get rid of these and if its possible .. many thanks
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