Symbol 5637-2 from IEC 60417 - Title/Meaning: Two component video output, digital Function/description: To identify controls and connecting terminals specifically meant for digital Y/C separate video output.
Additional information: 
Published in: Supplement O, 1996,3C/293/DIS
Own work using: iso.org/obp/graphics/grs/3dd10521-6ffc-4c6f-863d-3f79105db263 200.png
Vectorization:  Mrmw