Originally Posted by spldart
Keep looking for errors. You could put those tf caps on every regulator on the board and not have a problem.. And of course... replacing every 100uf 4v cap on the board isn't gonna cause an issue either.
Well... I was just about to give up, since I have a new Denon on the way, when I found that sneaky hidden fuse sitting on the underside of the small PCB near the transformer. For some reason that fuse had blown. Popped in a replacement and all is well.
So far the HDMI signal is stable, but the big test will come after work tomorrow (seems to be at its worst when everything is cold).
Thanks for all of the great information posted here.