How can i FIX my Divx DVD Player (DV-L067) MOEDITION?

Hy.
I have a sound problem with my Divx DVD Player (DV-L067) MOEDITION. When i put the DVD into the DVD player, and connect them with the scart cable to the TV there is no sound. In the menu i can acces the sound options but no effect. I want to acces the preferrence menu but i can`t.
Help me. There is a possibility to reset the Divx DVD Player (DV-L067) MOEDITION?