Re: Composite Video Question

["PatrickLidstone" <patrick@xxxxxxx>]

--- In ukha_d@y..., "Daniel James" <daniel@n...> wrote:
> Morning all
> 
> I have a CCTV camera - one of the cheapys from the homebase 
clearout a while
> ago!!
> 
> Anyhow this has a scart connector on the end of it... Is the output
from
> this into the TV Composite Video?

Yes...


> I ask, as I would like to plug this into a capture card on the PC,
but the
> scart adaptor I have made  just produces waves of black lines on
the screen
> when I tell it to look at the composite signal.. (it doesn't work 
if I plug
> it into the TVs video in phono socket either)
> 
> The video in the scart socket is using the following pins:
> 
> (Data courtesy of www.kat5.tv :-)
> 
> 17 VIDEO/Sync/Luminance Ground
> 20 VIDEO/Sync/Luminance Input
> 
> And I have wired this accross to a phono plug for the PC capture 
card...
> 
> Is anyone able to shed some light as to why this doesn't work?

I posted an article ages ago explaining the secrets... You are 
heading down the right track - try using the powersupply ground 
instead of the signal ground, and be sure that the camera is getting 
power itself. Unfortunately I don't have a copy of the original post 
anymore, but a search in the archives for "Response Camera"
should 
turn it up.


Patrick

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