I would agree that the CCD-1 is later than the HC-2, but I do not have fine details of the RCA time line for these. It would seem to me that the team developing the CCD sensors just took the HC-2 body and replaced the tubes with the appropriate circuit changes.
It would have been a much cheaper option to launch what was a 1st generation prototype camera. RCA had a long development program over many years and this would be the toe in the broadcast market.
It can't be far away from the point were RCA gave up making cameras, perhaps someone can enlighten us with more details.
Brian
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