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av:nintendomultiav

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SNES/N64/GameCube MultiAV connector

Cable

Console: 12-pin male 0.1“-spaced dual-sided card edge connector

PinNameDescriptionPinNameDescription
1 R RGB Red 2 G RGB Green
3 CSYNC* Composite Sync 4 B RGB Blue
5 GND Ground 6 GND Ground
7 Y S-Video Y (luma) 8 C S-Video C (chroma)
9 CVBS Composite Video 10 +5V +5 Volts
11 L Left Audio 12 R Right Audio

*+12V instead on PAL SNES/Gamecube consoles (But not PAL N64)

Not all signals are available on all systems:

Signal AV Famicom SNES SNES2 N64 GameCube NTSC GameCube PAL
Composite Video Y Y Y Y Y Y
S-Video N Y N Y Y N
RGB N Y N N N Y

Some AV cables differ between regions:

Signal/Console PAL NTSC
Composite Video (SNES, N64, Gamecube) 75ohm resistor to ground, 220uF capacitor in series Straight-through to display
S-Video Y (N64) 75ohm resistor to ground, 220uF capacitor in series Straight through to display
S-Video C (N64) 75ohm resistor to ground, 68nF capacitor in series Straigh through to display
RGB (SNES) 47ohm resistor in parallel (R, G and B) 220uF capacitor in series (R, G and B)

According to Jim Christy, the US and NTSC SNES have a 'DC offset', which is basically extra voltage, on the RGB lines (1v DC according to Jay Tiltons site). You can filter this out with one 220uf capacitor on each of the RGB lines (+ towards console, - towards display). PAL SNES systems do not need these caps, but may require some 47 ohm resistors in their place in order to get the video contrast down to the correct level. PAL GameCubes need the caps, NTSC GameCubes don't output RGB through this connector.

For reference, here's the pinout I use to connect all my systems to my monitors. A single common pinout means I don't need a seperate monitor cable for each system.

For info on adding RGB to some Nintendo 64 systems, see here.

To add RGB to a SNES2 (SNESjr), http://www..

Here is the pinout for the GameCube Digital AV port.

PAL Users Note:

The PAL SNES and PAL Gamecube (But not the PAL N64) outputs +12v on pin 3, not composite sync (C-Sync). This is for a SCART TV to automatically detect RGB input. See the SCART pinout page for more details. Thanks to Mark K. for this info.
av/nintendomultiav.1230654408.txt.gz · Last modified: 2019/08/27 20:44 (external edit)