OK....in an effort to keep my posterior out of trouble with the Japanese gods:
Model No: DNT22C9SA
Serial # : KK32447211
.....and thanks Doc. Yes, I left the timer off the list. I know that's a possibility, but I rate probabilities with my historical luck, and I would bet the farm it is the heater coil, thus requiring an archeological excavation of the freezer compartment. Good thought, though. Too bad it is wasted on somebody with lousy luck.