Hold a flashlight to the screen in a dark room and shine it at the screen. Do you see a faint picture or movement? If you do then the backlights are no good.If you don't see a picture then it's the inverter board.(Left side (looking at tv from back) far panel with the 2 transformers).Check for hot spots on this, and also make sure the caps in front of the connection(from inverter board to powr board) on the power board are good.
flyatyou66
March 2014
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