I just bought a Pioneer DVR-AO6U and would like to know how to hook up the gray cord that came with it to the sound card and drive. I saw in one of the other threads that this has to be done for the video to work. Right now when I try to play a DVD I get the following error message: Error PL4014: Playback failed due to an error with the audio subsystem. Sound works fine though when I play a CD. Any suggestions are very welcome. Thanks!