One has to assume this is some kind of satellite TV receiver. You don't say.
You also don't give any clue as to the make or model. Clever. Not.
These often fail due to electrolytic capacitors inside deteriorating.
You could try to help yourself with a couple of Google searches for:
MAKE MODEL bad capacitors
MAKE MODEL format
(replacing MAKE MODEL with details (accurately) of your own box)
You may turn up a common fault and its solution.
XXX, February 2016