Panasonic TH-P42X20V, NO a/v Hdmi input ok

[rawan]

Hi
Panasonic TH-P42X20V, NO a/v Hdmi input ok
may be firmware problem, but dont have firmware,
i can not see AV SW option when i open service menu, i have attached a image of working tv service menu.
any help would be great
Thanks
Many