I've done that also+couldn't figure out why my 28 wouldn't power up,
#1-had her set to single ended instead of balanced  

,oh and how about the breaker on the back 

.Now were back in business.I try not to get too excited,
I did say TRY.I'm pretty sure someone else is behind it all,It's sure nice when 
things are the way they should be.Now that I have installed my AES cable,no problem 

,now  I am going for the Bryston 10B-sub hook up,this is gonna be a goodin 

.