Sony KDL-40EX520 Support Question
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Question posted by MBAFOR2 on September 18th, 2013
Sony Bravia Kdl40ex520 Wont Start And A Red Blinking Light Is Showing.
Current Answers
Answer #1: Posted by BusterDoogen on September 18th, 2013 11:47 AM
Please disconnect the setfrom AC power, then press and hold the power button on the TV itself (not the remote), for 10 seconds. After another minute, plug the set back in and press power once. If that's not successful this is the probable cause:
The the flashing light would indicate that there is a short inside the set stopping it from fully powering up.
It is most probable that there is a failure on the power supply board inside the TV. Commonly the capacitors on this board will receive a surge and then fail. They can sometimes be visually verified by removing the rear of the set and inspecting them for bulges or leaking fluid at the top or the base of the caps. This is the most common mode of failure for these sets.
The capacitors are located on the power board inside the set, where the AC cord plugs into and can be replaced by a Tech for no more than $200 parts and labor.
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