StepMania Arcade Machine

Scan Convertor

Averkey series of VGA to TV converter have 15 pin output connector for RGB output (looks like VGA connector at least in AverKey 3).

PIN NO.     SIGNAL DESCRIPTION
1           Red 0.7Vpp +/-0.2 Vpp 75ohms
2           Green ''     ''   '' ''
3           Blue   ''     ''   '' ''
4
5           Ground
6           Ground
7           ? (maybe ground)
8           ? (maybe ground)
9           Control voltage output for TV AV channel selection
10          Ground
11          ?
12          ?
13          HSync (TTL)
14          VSync (TTL)
15          Composite sync (quite propably TTL level negative polarity)