Sounds like what you mean is a Dreambox 7020-S. A Dreambox is a linux based sat receiver. Dreamcast is a sega games console.
With a dreambox he wouldn't actually be getting the channels over broadband, but via e normal satellite dish. The broadband connection is used to receive keys to decrypt the broadcast.
You are in for a lot of head scratching if you are going to try to fix this having never used the technology before, but we are here to help
