No sound comes out

Check the connections for all devices. link

Insert connection cables all the way in.

Check that input connectors and output connectors are not reversely connected.

Check cables for damage.

Check that speaker cables are properly connected. Check that cable core wires come in contact with the metal part on speaker terminals. link

Securely tighten the speaker terminals. Check speaker terminals for looseness. link

Check that a proper input source is selected. link

Adjust the volume. link

Cancel the mute mode. link

Check the digital audio input connector setting. link

Check the digital audio output setting on the connected device. On some devices, the digital audio output is set to off by default.

When a headphone is plugged into the PHONES jack on the main unit, sound is not output from the speaker terminal and PRE OUT connector.

When this unit is connected to a device equipped with a DVI-D connector, no sound is output. Make a separate audio connection.