my tv is only a year old. It is a 48 inch sony LED and the white power button blinks repeatedly and will not turn on. I tried

[gkbuds]

Sony flatscreen tv will not turn on. The white power button blinks repeatedly.

 

[digitaldoc]

Here's how to try and decipher the number of blinks that your HDTV is displaying:

http/www.ehow.com/how_7345293_understand-sony-blinking-codes.html

Can also try unplugging the TV for a few minutes to reset it and try starting it again.