Yamaha DCD1+PS Operation Manual page 24

If your piano is:
Clavinova Digital Piano
PianoSmart cannot be used.
(Connection example)
Piano side
AUX IN AUX OUT
R L
18
DCD1+PS
Audio cable
OUT IN
MIDI
MIDI cable
MIDI
IN OUT THRU
HOST SELECT TO HOST
PC1 PC2
MIDI MAC
AC
adaptor
ANALOG MIDI IN
DC-IN 12V
+
–
R L/L+R R L/L+R VOLUME
AUX IN
OUTPUT
R L
PIANO TYPE
Dkv
GT10
GT1
Clavinova