So, my problm with the WT-500 is that the power switch has to really be fiddled with or the eq section won't light up and if the eq section doesn't light up I get no sound. I opened up the head and checked for any loose wires, but everything seems snug. Any clues? I tryed searching around the Eden forums but the only thread I found had no answers. I have a feeling the head should just be taken in, kind of hoping there might be some easy fix though.