UV can be effectively filtered out with optics though. I'd like to think that someone at Sony looked into that and decided it was ok, considering all engines in the 320s were already failing.
Sony always stated the issue was the glue in the blue optical path and I've seen that glue "bubble" myself over the years. It was never suggested that the issue were the imagers themselves. I guess they didn't want to admit that.
Yes, I'm aware of the severe degradation of SXRD panels in home cinema projectors - I was once at Sony and I saw one of those on a shelf, repaired. They told me the process to recalibrate the panels to factory specs took 8 hours (and could only be done by Sony!)
Sony always stated the issue was the glue in the blue optical path and I've seen that glue "bubble" myself over the years. It was never suggested that the issue were the imagers themselves. I guess they didn't want to admit that.
Yes, I'm aware of the severe degradation of SXRD panels in home cinema projectors - I was once at Sony and I saw one of those on a shelf, repaired. They told me the process to recalibrate the panels to factory specs took 8 hours (and could only be done by Sony!)

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