screen wont light up?

hi i have a ''onn'' LCD TV model LE19LCD703 tv that just stopped lighting up and no sound
I have done the usual of unplugging it from the wall and plugging it in next day but nothing
I can hear a soft ticking sound from inside top left of circuit board when it is switched on
the internal fuse was fine (i checked that first lol) im kind of stuck for answers can you help?