Yamaha Portatone PSR 1000 Service Manual page 34

PSR-1000/PSR-2000
AM Circuit Board
LCD
CONTRAST
Component side
34
HOST SELECT
PC1 PC2
Mac
TO HOST
MIDI
to DM-CN501 to DM-CN908
to DM-CN109
VR Circuit Board
MASTER VOLUME
Component side
MIDI
IN OUT
to DM-CN105
AM, VR: 2NA-V756840
E
E'
4