As you will see, I have no experience in this so it may be a really stupid mistake. I have installed a 5.1 speaker system in my home. To test it out, I hooked up my (new) Yamaha RX-V1400. The ONLY thing hooked up to the receiver are the speakers (5), subwoofer and FM antenna. I first started my finding an FM station. All speakers worked, but chalked up the background hiss to bad reception. Next, I used the Setup routine (with microphone for auto setup). All I get is hiss. I can cycle thru each speaker correctly (i.e. each speaker is getting a signal), but, again, all I get is hiss. When I try to use the auto setup the system stops at the first speaker (hissing)...it does not produce a test tone. What did I screw up? Thanks.