Symbol 5636-1 from IEC 60417 - Title/Meaning: Two component video input, analogue Function/description: To identify controls and connecting terminals specifically meant for analogue Y/C separate video input.
Additional information: 
Published in: Supplement O, 1996,3C/293/DIS
Own work using: iso.org/obp/graphics/grs/db348fb2-f7f2-4e79-b4b4-d7d7fc9afb3a 200.png
Vectorization:  Mrmw