I am sorry you are having this problem but let me help you.
The information you have provided is very helpful but I would like to get some more information about the problem and the system configuration.
As part of the troubleshooting steps, can you update the BIOS to latest version? Here is the download link:
Have you also tried running the latest firmware update for the A/V receiver? If so, what is the firmware version installed? Can you also provide the exact model of the TV and receiver?