22 Aug
2017
22 Aug
'17
12:30 a.m.
The center pin wire (white insulated) is the video signal the outer conductor (shield/bare wire) is the ground.
Since a video signal is a complex high frequency AC Signal there is no positive or negative. A standard NTSC or EIA/RS-170 signal in consumer equipment in the US is 1V PP.
Okay. The picture in the link I posted shows the pin labeled TV reversed from the Pi in front of me. Anyhow, it seems pretty clear that video signal wire goes to the TV pin and the ground goes to its neighbor. I'll give this a try.