My credentials ...20++ years in working with X-ray. X-ray is used routinely on circuits for quality control. No harm will be done. In fact, real time X-ray is also used in the baby food industry to look for broken glass in the glass jars. There is no harm to food from being X-rayd. In fact, it is useful for killing bacteria. As said, un-exposed film should not be exposed to radiation but developed film would be OK. X-ray IMO is confused and mis-understood by people more than audio can be.
