Sony PCG-R505TL - Manual (Page 83)

Connecting an External Display
83
3 Plug the audio cable into the green Headphone connector on the right side of
the notebook.
Using the Docking Station
1 Locate the monitor connector on the rear panel of the docking station.
2 Plug the optional monitor adapter into the monitor connector.
3 Plug the audio cable into the green Headphone connector on the right side of
the notebook.
Connecting projector
Projector
Power cord
RGB signal cable
To Headphone
Audio cable
connector