Sony DCR-TRV20 - Manual (Page 110)

110
Recording an image from a mini DV tape as a still image
Connect using an S video cable (not supplied) to obtain high-quality pictures
With this connection, you do not need to connect the yellow (video) plug of the A/V
connecting cable.
Connect an S video cable (not supplied) to the S video jacks of both your camcorder and
the VCR.
This connection produces higher quality DV format pictures.
When recording the image through the DV IN/OUT jack
S VIDEO LANC DV
i.LINK cable (DV connecting cable)
: Signal flow