No picture appears on my TV set (audio is not present)

1.    Check if using Menu button you are able to access the Menu.

2.    Check if the receiver is in standby (press power button if LED is red).

3.    Switch the receiver off and on (using the remote or unplugging power cable).

5.    Make sure that all cables are connected properly and firmly secured and then hand–tighten, if necessary

6.    Reconnect all cables.

7.    Try to change channel.