Doug,
1. Not using a modulator, but I plan on purchasing a very good quality modulator, maybe even a pro model. I suspect that my $50. digital converter is degrading the image. I say this because when we were testing on Mike's setup with modulator and DVD the images looked cleaner. I see "video noise" for lack of understanding of what I'm seeing. Also there is a faint vertical band in the center of the screen only visable in dark scenes. The band was not present with the DVD/modulator.
3. We did do a full IF alignment. I think that is why the this 21CT55 displays very good detail. I have a copy of the Video Essentials disk.
I suspect the red gun is being driven to high.
In the end, based on what we saw with the modulator/DVD setup on the bench and what we see with the digital converter now, our next step will be to purchase a high quality modulator so I can view DVD's on this set and go from there. I'm very happy with the image detail though.
Thank you for the excellent testing recommendations. We will follow through.
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