How to fix a Showbox Platinum 300 DVB-T Receiver LNB short circuit?

[bnagy618]

Showbox Platinum 300 DVB-T Receiver LNB short circuit after:
no picture, no sound, no display. The interior is dead. I would like to ask for help, what should be replaced.

 

[karesz]

LNB short circuit

HI,
It can be lot of & you gave us only some litle information...
Maybe it has only a fuse to change?
Can you check it?
Otherwise is a case for service specialists...
K.