My sharp aquos lc will not come on. No light nothing. What can i fo?

[opal_beauty]

Was watching tv heard a click and screen went blank.
Tv is not coming on

 

[americanaudiophile]

You can try unplugging the power cord from the AC outlet for 5-10 minutes and try to turn it on again.
Otherwise the TV power supply would be the first thing to look at. If you feel you can replace a board yourself then check
www.shopjimmy.com
They sell replacement boards and are very helpful.