Sharp Aquos TV 70" powers up but screen won't display - LC-70LE733U - 2012 from Costco

[playnorm]

When I power up and the Sharp "arrow logo" lights up on the front and slowly blinks. But the screen won't turn on.

 

[americanaudiophile]

If after uplugging the TV from the wall outlet for 10 minutes the problem persists you can try contacting
www.shopjimmy.com
They sell replacement boards and are very helpful in diagnosing problems.
If you don't feel that you can do the repair yourself you will need to call a tech to do it.