Master Volume - Yamaha PORTATONE PSR-172 Service Manual

PN-AM 2/2 Circuit Board
STYLE
VOICE
SONG
SUSTAIN
PN-AM 2/2, VR : 2NA-V708340 7
DEMO 1
PORTABLE
DJ
GRAND
METRONOME
OUT MIDI IN
VR Circuit Board
to PN-AM 1/2-CN105
CN106

MASTER VOLUME

Component side
MULTI PAD/DJ GAME
2 3
–/OFF 0/RESET
7 8
4 5
1 2
PSR-172
4
+/ON
9
6
3
to SPEAKER R
Component side
7