04-17-2026, 05:36 PM
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See yourself on Color TV!
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Join Date: Jul 2004
Location: Rancho Sahuarita
Posts: 7,768
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Quote:
Originally Posted by dtvmcdonald
I've found that trying to run at NTSC rates rather than 14kHz and 40Hz
(progressive) was what was causing big problems with the shading corrections.
Adjusting some cap values and the width coil value, plus adding a small vertical linear correction directly to the output stage fixed that. It now makes a fairly good picture,
still with sone shading problems even if direct sunlight scenes.
It was not drifted component values.
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Nice!
Pictures???
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