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D4 , D-tanshi (Ｄ端子), or D-Terminal, is a type of analog video connector found on Japanese consumer electronics, typically HDTV, DVD, Bluray, D-VHS and HD-DVD devices. It was developed by the EIAJ (Electronic Industry Association of Japan) for use in digital satellite broadcast tuners. In appearance it is a small flat trapezoid connector, the same connector as the AAUI connector used by Apple Computer for some time to connect to ethernet. A D4 connector carries a Component video signal (Y Pr Pb). A device with a D4 connector can understand and display the following video signals:
- Japanese D1 video - 525i (480i).
- Japanese D2 video - 525p (480p).
- Japanese D3 video - 1125i (1080i/1035i).
- Japanese D4 video - 750p (720p).
Future D5 connectors will additionally support 1125p (1080p).
It is possible to use a simple breakout cable to connect a D4 connector to a world standard 3 RCA jack or BNC component connection.
Pinout
| Pin | Signal |
|---|---|
| 1. | Y (luminance) (0.7 V, 75 ohms). |
| 2. | Y ground. |
| 3. | Pb (0.35 V, 75 ohms). |
| 4. | Pb ground . |
| 5. | Pr (0.35 V, 75 ohms). |
| 6. | Pr ground. |
| 7. | Reserve link 1. |
| 8. | Data line 1 ( 0V = 525 lines, 2.2V = 750 lines, 5V = 1125 lines). |
| 9. | Data line 2 ( 0V = 59.94i / 60i, 5V = 59.94p / 60p). |
| 10. | Reserve link 2. |
| 11. | Data line 3 ( 0V = 4:3 , 2.2V = 4:3 letterbox, 5V = 16:9). |
| 12. | Plug insert detect ground. |
| 13. | Reserve link 3. |
| 14. | Plug insert detect (output 10 k ohms, input > 100k ohms). |
| Hooks | Shell ground. |
External links
| Audio and video connectors | |
|---|---|
| Analog audio | |
| Digital audio | |
| Video | |
| Audio and video | |
| Visual charts | |
| General-purpose | |