Thanks for all the helpful input, folks. First of all,to Ddd l, I did do a half hour web search for a manual using Bing with no results before posting here. I guess I should have used Google!
Anyway, it turns out that after a phone conversation with the very friendly and helpful Steve McCormack I found that two of the internal fuses were blown, but unfortunately they continued to blow when replaced.
The mystery of why the amp was fine when shipped and DOA when I powered up on arrival has a probable solution. One of the small nuts that mounts the circuit board to the chassis had come loose an was free to go anywhere in the case. Apparently when I powered it up it was shorting something and both blew the fuses and damaged another component in the process, thus causing the new fuses to blow also. It is currently at my local, excellent eledtronics repair shop being diagnosed.
Again, thanks for all the helpful input.