Videogames connectors  > Sega pinouts
Looking at the back panel of the Dreamcast, the pins are numbered from left to right.
Pin Description
1 Ground
2 Right Audio
3 Left Audio
4 +12v
5 +5v
6 selects horizontal scan: Grounded = 31KHz (VGA) Floating/disconnected = 15KHz (TV)
7 selects format: Grounded = RGB; Floating/disconnected = Composite/S-Video
8 Vertical Sync (for VGA)
9 Horizontal Sync (for VGA)
10 Composite Sync
11 S-video Chrominance (C)
12 S-video Luminance (Y)
13 Composite Video
14 Blue (Use 220uf cap)
15 Green (Use 220uf cap)
16 Red (use 220uf cap)


16 pin unspecified connector layout
16 pin unspecified connector
According to 3 reports in our database (2 positive and 0 negative) this pinout should be correct.

Is this pinout
Sega Dreamcast A/V visual pinout:
Sega Dreamcast A/V diagram
click to enlarge
Source(s) of this and additional information: Hardware Book, Marcus Hilbe, Marvin,,
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