Practical local help is what that guy needs. Someone with experience in situ would probably sort this in about 5 mins
I would like to have his system in front of me, I’m going to say at max 5 minutes
to be pointing at the problem and short of equipment actually needing to be repaired have it all working.
If he pays for shipping both ways I’ll do it for free including if needed any simple repair.
CLEARLY I RETURN THE SPEAKERS BACK AND HONESTLY REPLACED THE FX BOARD AND SOON AS I RAISE THE EFFECTS FADER UP ON THE ZED 1000 I HEAR RADIO INTERFERNACE BACK OF THE SPEAKER AND ALSO ALL SORTS OF FUN STUFF.