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I forgot about the 919 - I seem to recall it was a set of way too expensive modules trying to be less costly by using a smaller picture tube.
The first all solid state set had patented color demods that processed the luma and chroma in a single circuit where the luminance was the common-mode current and the chroma was differential. There were three independent sections for red, green and blue. This was theoretically fine, but in reality there was non-linear interaction that gave a different "gamma" curve to the picture luma and chroma. As a result, the pictures had color that was different from anything else on the market. Not bad, just different.
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