This simple adapter can be used to convert Y/C video (S-video) to a composite video. This adapter is useful in cases where your video output device has only S-video output but your signal source accepts only composite video input. This works with both PAL and NTSC video standards.

1-ground——————+

+———- RCA/composite ground

2-ground——————+

3————————-+

+——— RCA/composite video

4————————-+

1 Y ground

2 C ground

3 Y (luminance+sync)

4 C (crominance)