Sony PCV-RX851 - Manual (Page 14)

Connection for an audio cable (supplied).
Video/S-video Out jack
Connection for a video cable adapter (supplied) or an S-video cable (optional).
Audio In jack
Connection for an audio cable (supplied).
Video/S-video In jack
Connection for a video cable adapter (supplied) or an S-video cable (optional).
16 (For models equipped with Giga Pocket)
VHF/UHF port
Connection for a coaxial cable (supplied).
17 Modem line jack
Connection for the modem (supplied) cable to the wall jack.
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