Technics SA-GX690 Operating Instructions Manual page 6

CD changer (or CD player)
{not included)
SA-GX690
Antenna terminais
Subwoofer terminals
See pages 8~9.
See page 11.
Speaker terminals
OUTPUT
See pages 10-11.
Turntable
(not included)
GND
CD player
Tape deck
{or CD changer)
(not included)
(not included)
REMOTE CONTROL,
[
REMOTE