Symbol 5530 from IEC 60417 - Title/Meaning: Colour video output Function/description: To identify controls and connecting terminals specifically meant for colour video output.
Additional information: 
The type of signal may be indicated above the arrow as shown in symbols 5530-1 and 5530-2
Published in: Supplement O, 1996,3C/293/DIS
Own work using: iso.org/obp/graphics/grs/7e9934b8-70ef-42a5-a1b7-99936b3ac719 200.png
Vectorization:  Mrmw