wharfedale picture probs

[taloola]

has any one got any ideas.i have a wharfedale lcd,when you turn it on the screen lights up and you get audio but no picture,when i press the menu button, the menu will flash up then dissapear .although it dissappears the menu is still active because you cant use any other buttons.if i change channel the number appears as normal.thought this might be the eeprom but have not got spare to check,does any one know if you can get eeprom data.thanks