The 7-pin S-Video connector extends standard 4-pin S-Video by adding composite video output and RGB or component output on the extra pins. Used on ATI and NVIDIA graphics cards for multi-format TV output.
| Pin | Name | Function | Type |
|---|---|---|---|
| 1 | Y Ground | Luminance ground | GND |
| 2 | C Ground | Chrominance ground | GND |
| 3 | Y | Luminance signal | ADC |
| 4 | C | Chrominance signal | ADC |
| 5 | GND | Extra ground | GND |
| 6 | Pr/Composite | Composite or Pr (component) | ADC |
| 7 | Pb | Pb color difference (component) | ADC |