help with lcd technosonic with black blank screen an only the sound?

its a lcd32041d model technosonic . when i turn the tv on it flicks just to a black screen and al i hear its there sound from the tv ive tyed turning it off ive been trying to read up found many theres tvs have the power fuse wrong ive looked at mine its got the right 5amp in it so fort id write here see if i get ant idears o bit help see if its worth fixing the tv as a spare tv thanks fo any help cheers chris