There are two RCA (not gilt) for analogue signal, digital optical output jack TosLink and slot for 3,5 mm mini-jack, marked "CD-DECK SYNCHRO", on the back panel of the player. Have you already guessed for what it is?.
Pioneer PDR-555RW CD Recorder - proper Hi-Fi unit for recording (and playing) audio CDs. With optical digital, coaxial digital and analogue audio inputs (and outputs). Excellent used condition. Disc format: Audio CD.