Guys!
I just learned that after a few years you would need to clean connector harness between the main base receiver and that at the Satellite Receiver to avoid disaster.
My specific AR-7000 Receiver is one of the few Spektrum Receivers that work only when at least one Satellite Receiver is connected to it. It otherwise do NOT allow any movement of servos nor will it allow for motor to be in ARM mode. I tested it without Satellite and sure enough it just sits without any activity.
Disconnecting the cable harness between Main AR-7000 Receiver and Satellite and using CRC 2-26 spray (Electronic / Electrical Components) did the trick to make a SOLID connection once again and now all works as designed.
You can view my newly created thread over at:
http://www.rcuniverse.com/forum/jr-r...ktrum-dx7.html
http://www.rcgroups.com/forums/showthread.php?t=2697243
Check and re-check!