Sony model#kdf50e2000.turned it on a few days ag0 heard a few clicks, green light come on a few times then it gives me three red blinks stops then three red blinks again and again.no sound no picture.i replace the lamp about three months ago,aand its not the lamp door.i think it might be in the power supply because the lamp will not come on.i even took the lamp completely out and turned it on again it still gives me three red blinks.help.tv is only three year old.