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SVHS Video Connections (4-pin miniDIN):

Pin 1: Luminance Ground
Pin 2: Chrominance Ground
Pin 3: Luminance (Y)
Pin 4: Chrominance (C)


CONNECTORSSCART Connector Pinout Color.svg

Pin 1 Audio output (right)
Pin 2 Audio input (right)
Pin 3 Audio output (left/mono)
Pin 4 Audio ground
Pin 5 RGB Blue ground (pin 7 ground)
Pin 6 Audio input (left/mono)
Pin 7 RGB Blue up
S-Video C down(*1)
Component Pb up(*2)
Pin 8 Status & Aspect Ratio up (*3)
  • 0–0.4V → off
  • 5–8V → 16:9
  • 9.5–12V → on/4:3
Pin 9 RGB Green ground (pin 11 ground)
Pin 10 Clock / Data (*24)
Control bus (
Pin 11 RGB Green up
Component Y up(*2)
Pin 12 Reserved / Data (*14)
Pin 13 RGB Red ground (pin 15 ground)
Pin 14 Data signal ground (pins 8, 10 & 12 ground)
Pin 15 RGB Red up
S-Video C up
Component Pr up(*2)
Pin 16 Blanking signal up
RGB-selection voltage up
  • 0–0.4V → composite
  • 1–3V → RGB
Pin 17 Composite video ground (pin 19 & 20 ground)
Pin 18 Blanking signal ground (pin 16 ground)
Pin 19 Composite video output
S-Video Y output
Pin 20 Composite video input
S-Video Y input
Pin 21 Shell/Chassis(*6)
1) rarely supported.
2) non-standard extension.
3) from STB to VCR when used for unattended recording
4) protocol not standardised, e. g. D²B.
5)bi-directional bus.
6)This pin is part of the shell/surround of the male connector. It is often connected to the overall screen in a cheap cable.
In equipment, Pin 21 should be connected separately to the chassis, but often it is merely connected to all the other ground pins.

output/input denotes symmetrical links. up/down denotes links to/from the TV set

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