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Phil, the circuit on our site won't work with the Admiral, since the video is fed into the CRT grid and the pulse will be the wrong polarity.
The circuit posted by bigaudioal is a nice solution for sets like the Admiral. It should be noted that it can produce either a negative or positive going pulse, depending on which wires in and out of the transformer are used. You will have to experiment with this to produce the proper polarity pulse (negative going for a set that feeds video to the CRT grid).
Last edited by Steve McVoy; 03-08-2014 at 06:27 AM.
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