Quote:
Originally Posted by ChrisW6ATV
Bob-
The chroma bar sweep is for alignment/bandpass testing and adjustment if I remember right. I have a VA-48, the predecessor to your unit, and I bought a manual for it from Sencore about 10-15 years ago. Some Photofact manuals perhaps in the 1980s had scope pictures of the chroma bar signal in various circuits. I think you got a bargain!
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Thanks for the info. I've read these are tricky to service so I'm really glad it's working
Quote:
Originally Posted by Kevin Kuehn
Nice looking patterns. I wonder how they manage the RF programing on this. Is it new enough to be micro controlled, or more likely some custom analog chip set? I'd have to get right inside and look things over.
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I will be soon as I need to clean some dirty controls. I'll let you know what I find.