Follow these steps if sound comes from both the TV and WH-L600 Digital Surround Wireless Headphones when they're connected with an HDMI cable.
- Turn the TV power OFF and turn it ON again.
- Press the power button on the processor to switch it to STANDBY mode.
- Wait a moment, and turn the processor ON again.
- Turn on the headphones
- Select Audio system (listen with amp) in the TV's audio output settings