5.1-Channel Audio/Video Surround Receiver  Harman Kardon AVR 430 (not working) It powers on, however it is not working, there is no sound output to speakers. » Comes with a power cable and EZ Set Remote Input/Output Connections:  Banana Speaker Jacks, Digital Coaxial RCA, Mini-DIN, RCA, S-Video  Surround Sound Formats:   Dsp, Dolby Digital Surround EX, Dolby Pro Logic, Dolby Pro Logic II Pickup from Wetherill Park (NSW 2164) or Kellyville Ridge (NSW 2155)