Pioneer VSX-406 Receiver "toshiba aux channel" Questions

...Toshiba booklet says to use the TV's digital coaxial single line audio out port/cable, but the Denon receiver doesn't have a single coaxial input. I've tried connecting audio cables from the V Aux. ...

...Toshiba CF32F40), it says to use the "Audio OUT" on the TV and the "AUX INPUT" on the receiver. I don't see anything labelled "AUX INPUT" on the receiver - could I use the "PHONO IN" holes? If not, ...

...Toshiba combo unit assigned to VCR/DVR - IN3 DirecTV receiver assigned to CBL/SAT - IN2 AUX.........NO TV: Tried audio setup to TV speakers and Audio System...No help PS3: Set up to HDMI...Manual... ...