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Originally Posted by Tom_Ryan
Now it would be real neat to design a circuit that would adjust black level and white balance for a 15GP22 in a similar fashion found in today's modern TV sets.
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It would make an interesting project.
At this point, if you adjust the G2 for a lower gray and view the set in subdued light the CT-100 picture compares favorably with a digital set tuned to the same analog broadcast. There are differences of course: at those times when the digital set shows virtually no phosphor glow, the same area on the CT-100 screen will sometimes show a very dim glow.
On a similar note, I’m borrowing a virtual multimeter. Hope to be able to develop a data-logger-type monitor that will keep a txt file record of circuit voltage. I’d kinda like to learn something about how critical the 115-Vac line-voltage spec is to optimum CT-100 operation. If it works I’d particularly like to gather data on how the high voltage varies with line voltage.