Alright, so I promised you an update and so here I am. I have good news, and I have bad news. I'll start with the good news. The hum, with audyssey, is almost completely gone. I'd go as far as saying it's fixed of the hum. I'm not kidding, i tried hard to repeat the same hum i had before, nothin. Don't quite know what to think about that, except that it proves that it WAS in the receiver. Now for the bad news, which is actually making me laugh.
I get it home, plug it in, notice the hum is gone, turn it up, and now from volume 0-25 there is an audible "pop" everytime the volume increases, and here's the kicker, it's worse when audyssey is turned on! Also, I wanted to mute it to see if i could try to differentiate between the sound in my room, and seeing if there was a hum, and i hit mute, and there's a loud pop again. So now everytime I hit mute, it pops, louder than when it was just changing volume. Oh no, that's not all folks, there's more bad news. I went in and looked at the settings, ABL Electronics had all the speakers turned to -12db, which in my setup they were all around 0. So i set it back the way i had it, put em back to 0 and -2 for the surrounds, and then go change the intellivolume back to 8. As soon as i exited the setup menu, two LOUD pops (loud enough that it made me jump) and then the receiver shut off and only had a blinking red light on the front. It did turn back on, but it's still doing the pops as before.
I don't know what I'm going to do, I'm sick and tired of fighting with the repair place and with Onkyo. I can't even sell this to get what I have in it! Those of you that need to send yours in, avoid ABL Electronics, and ship to that place in Colorado instead. Maybe you'll have better luck than me. The UMC can't some soon enough!