i have a kenwood model kr-7600. it is connected to an onkyo txds 696 av receiver along with two other amplifiers. ( the onkyo has three set's of preouts.) when i powered up, the kenwood blew a fuse. the lights refused to come on. so i took the cover off and i discovered that a fuse had blown. 6amp 250 volt.) when i put everything back together the lights came on, but there was no sound. could anybody give me some troubleshooting tips? i am desperate. thanks. the taipan