Philips 42PF7220A 42 in. Plasma Television "technic receiver lights sound" Questions

I have a Coby 19" I have a Coby 19" TFT LCD TF-TV1913 that used to work just fine. I've had the TV for about a year or less, and now we cannot turn the TV on. The red light is showing at the ...

sound, but that is not relevant because its through a receiver and not the TV speakers. The TV normally has a green light illuminated in the lower left. Now there is a red blinking light (7 times) and