Apparently there is an issue with Sony rear projection LCD Televisions having a number of display problems. Some of the problems include random lines on the screen, issues with the lamps or bulbs and the TV turning on irregularly. If you go to
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there is more information on this as well as what can be done about it. There is a free case evaluation provided for those who may have had display issues. I found this of interest and hope that this may be of some help.kr0