Symbol 5634-1 from IEC 60417 - Title/Meaning: Three component video output, analogue Function/description: To identify controls and connecting terminals specifically meant for analogue three component video output.
Additional information: 
Published in: Supplement O, 1996,3C/293/DIS
Own work using: iso.org/obp/graphics/grs/0812eb6a-9bb2-4e21-977b-8c7f2a81b3d5 200.png
Vectorization:  Mrmw