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I was looking to see if any of the digital TV standards might be able to drive this 755i set. It would accept the luma output only (luma=B&W). Unfortunately, nothing really comes close. There's 720p, but the horizontal scan rate is about twice as high as 755i would call for. 1080i is about 2/3 too high. Looks like you would have to build a buffer to convert 720p to 720i, which should make it close enough to 755i for the set to sync up. The buffer would just drop alternate lines of video and also have to buffer the kept lines to play out half as fast as before. That's not really trivial to do. If there are programmable digital TV decoder chips that can be made to create oddball output scan rates, then that would be better. Again, not trivial.
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