new roadster head just lost all sound when i was playing in the clean channel #2 .it was fine ,i was jammin at med volume ,hit the solo button on foot switch ,which all the volumes were set proper and it just cut off .put it on standby ,checked all connections ,all good ,fuse,tubes ,look normal. put it back on and could hear very low guitar sound ,very faintly ,no other noise..messed with volume nob ,nothing!! help!!!! ok!! here's what i just did,shut off for 15 min,turned back on ,fliped off the effect loop in back and it worked ,whats going on!! a bad effect loop???? bought brand new at gc, im pissed!!! got a show soon!!!! that means i cant use the solo button or main volume right? i had this mofo rockin ,all the volumes set great, solo button was great too ,everything was perfect!!! wtf!!!!!