Re: User port connector & monitors

From: Richard Atkinson (
Date: 1999-04-10 00:15:20

On Fri, 9 Apr 1999, Nicolas Welte wrote:

> Why don't you just connect your NTSC machines via the composite input?
> You won't get a better picture by adding a SCART connector. What you'd
> need is an s-video input. In my 1084-P the only difference between
> composite and s-video is a grounded inductor. I guess it is used for
> filtering the color part out of the composite signal. When using already
> separated video, the filters are not needed anymore and can be bypassed
> or disabled. This will result in better video bandwidth.

Actually, a recent unofficial 'extension' of the SCART (Peritel) standard
includes S-Video, with Luminance / Sync on the normal video pin (21 if
memory serves) and Chrominance on the red video pin (15). This is the case
at least on my Hitachi 21" TV. I have converted a breakout box to provide
the chrominance input instead of video out, so that I can connect S-Video
devices to the TV without requiring 4 pin mini DIN connectors.


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