This is my first HT, I have a H/K AVR110 receiver with the JBL NSP1 speaker package and the RP56 DVD player. It plays pro logic and logic 7 just fine but no dolby digital or dts. Everything seems to be hooked up right, the DVD and receiver are hooked up with a AR optical cable, the DVD is set to output digital sound and all the speakers are hooked up properly. This may sound stupid but do you need a subwoofer to output digital sound, I'm pretty sure you don't so my other suspicion is that the optical cable is broken somehow, even though I don't remember doing anything that could harm it. Do you need to set the receiver to output digital sound. Please help, I can't wait to hear some digitl sound coming from the JBL because they sound so good doing pro logic.