Sony has been having a problems with the LCD Pannel. This is right off the Sony website.
KDL52Z5100KDL52XBR9As part of our commitment to quality, under the terms of the limited warranty included with the product, Sony will replace or exchange the LCD Panel or television for any Affected Model experiencing picture anomalies due to LCD Panel failure through March 31, 2014. Please note that except as set forth in this announcement, the terms of the Sony limited warranty for these products continues to apply.In addition, customers who paid out-of-pocket to repair the LCD Panel due to picture anomalies on one of the Affected Models prior to the date of this announcement may be eligible to be reimbursed by mail for parts and labor expenses. To receive reimbursement, please follow all of the directions on the
claim form for reimbursement; all claims must be postmarked by November 30, 2012. See
claim form for complete terms and conditions.To arrange for repair of your television if experiencing these issues, please contact Sony at
(888) 649-7669 begin_of_the_skype_highlighting (888) 649-7669 end_of_the_skype_highlighting