Unplugging gets no result. Opening the case is like a Rubik Cube. Help!!!

Hi Ehlerz, The BeoSound is only connected to the 6000 speakers and the mains. I am using the control buttons on the front panel, not the Beo4 remote. Currently, I am trying to open the exterior casing to check for any internal fuses but it is not as simple as removing the seven screws on the back!

Red light is constant. No reaction to double pressing "left arrow/rewind" twice.

Faultless for 10 years, the 3000 has suddenly died. The Red standby light is lit on the main unit & 6000 speakers. Load button will open & shut player, glass doors operate. However nothing else does - no CD, no radio, no aux., nothing! We did suffer a power out here just after it was last used... Any help gratefully received here in Brasil