Sony HT-RT3 Operating Instructions - Page 26

 If your TV is not compatible with Audio Return Channel, TV sound will not be output from the system even if the system is connected to the TV's HDMI input jack. To output TV sound from the system, connect the supplied optical digital cable (refer to the supplied Startup Guide).  If sound is not output from the system even if the system and TV are connected by optical digital cable or if the TV does not have an optical digital sound output jack, connect an analog audio cable (not supplied) and switch input of the system to "ANALOG" (page 11).  Switch input of the system to "TV" (page 11).  Increase the volume on the system or cancel muting.  Depending on the order in which you connect the TV and the system, the system may be muted and "MUTING" is displayed in the front panel display of the system. If this happens, turn on the TV first, then the system.  Set the speakers setting of the TV (BRAVIA) to Audio System. Refer to the operating instructions of your TV on how to set the TV.  Depending on the TV and the playback sources, sound may not be output from the system. Set the audio format setting of the TV to "PCM". For details, refer to the operating instructions of your TV. The sound is output from both the system and the TV.  Mute the sound of the system or the TV. No sound or only very low-level sound is heard from the Subwoofer.  Make sure the AC power cord (mains lead) of the Subwoofer is connected properly (refer to the supplied Startup Guide).  Press SW  + to increase the Subwoofer volume (pages 10, 23).  The Subwoofer is for reproducing bass sound. In the case of input sources that contain very little bass sound components (i.e., a TV broadcast), the sound from the Subwoofer may be difficult to hear.  When you play content compatible with copyright protection technology (HDCP), it is not output from the Subwoofer. No sound or only very low-level sound of the device connected to the system is heard from the system.  Press the  + and check the volume level (page 10).  Press  or  + to cancel the muting function (page 10).  Make sure the input source is selected correctly. You should try other input sources by pressing INPUT repeatedly (page 11).  Check that all the cables and cords of the system and the connected device are firmly inserted.  Depending on the audio format, sound may not be output. Make sure that the audio format is compatible with the system (page 29). No sound or only very low-level sound is heard from the Surround Speakers.  Make sure cable of the Surround Speakers is connected properly to the Subwoofer (refer to the supplied Startup Guide).  Multi-channel sound which has not been recorded as surround sound is not output from the Surround Speakers.  If you want to output 2-channel sound from the Surround Speakers, press the CLEARAUDIO+ and set the sound field setting to "CLEARAUDIO+". 26US