ronaldsuguitan

Have a problem on my head... There's no sound coming out from all the speaker output... But there's a sound when connecting it to a Mixer... I've check the tubes if intact and the back fuse are ok... Wasn't Able to check the fuse under The chassis though....i tried connecting Input to the power Amp and post amp at the back of re amp but nothing Comes Out... Pls help.. Thank u