Check the following:
1. Ensure the connections to other components are correct.
2. Verify that the volume isn't set too low and that you haven't accidentally pressed MUTE on the remote.
3. Check the audio output of any connected external equipment to ensure its volume is not too low or muted.
4. When external equipment is connected via an HDMI cable, you may need to configure the audio to be output through the HDMI cable.
5. When audio is not output from external equipment connected to the PC IN or HDMI 1 terminal, check the "Audio Select" setting.
6. Even when external equipment is connected using an HDMI-certified cable, an audio cable connection may be required depending on the type of equipment and the media being played back.
7. If you are using a DVI-HDMI conversion cable to conn...