Hello! 

Yesterday when I started my Beovision 10-40, there was no sound coming out of the integrated speaker. I haven't been using the TV for like month since I haven't been home. I have tired to restart and leave it unplugged for several hours but no luck. Tired with headphones in the 3,5-jack - no sound. The picture works fine, but no sound though any of the outputs (HDMI, scart, antenna). There hasn't been any damage to the TV in any way. 
Do anybody have any idea what can be wrong? 
Best regards,
Bremiz