yes as indicated have a sony recieiver surround sound model hooked up to a technics 1300 seriess turntable through a pre- amp /using cdsacd on amp to hook to pre amp then to turntable /only comes in through two channels /front tried all sort of ways but cant get it to play through rest of system? have tried radio and cd with same results? what going on here -thank you for any help you can offer? Joe.P.