No sound

• Check the connections between the processor and the AV devices.

• If the optical digital output jack of a digital device is connected to the TV (OPT) OUT (THROUGH) jack of the processor, re-connect it to the TV (OPT) IN jack of the processor.

• Turn on the AV devices connected to the processor, and start the playback again.

• Turn on the processor.

• Check that the INPUT button on the processor is set to the device you want to listen to.

• If you have connected the headphone jack of the AV device to either of the LINE IN (L/R) jacks of the processor, raise the volume level on the connected AV device.

• Turn on the headphones again.

• Raise the headphone volume.

• Charge the battery of the headphones.
  If the power indicator is still off after you have charged the battery, take the headphones to your nearest Sony dealer.

• If no sound is heard from the TV, check the connection of the ARC jack on the TV, or the connection of the optical digital cable.