Yamaha PSR-S550 Service Manual page 30

PSR-S550/PSR-S550B
PNR Circuit Board
●
ONE TOUCH 1
A
ORGAN
TRUMPET
BRASS
HARMONY
A'
30
EXECUTE MDB
FILE MENU
FUNCTION
MEMORY 7
ONE TOUCH 2 ONE TOUCH 3 ONE TOUCH 4
CHOIR
PAD
SYNTH.&
FX
SUSTAIN
TOUCH
GUITAR &
PIANO
BASS
SAXOPHONE
E.PIANO
STRINGS
FLUTE &
WOODWIND
LEFT
ACCORDION &
HARMONICA
PERCUSSION
DRUM KIT
UPPER
OCTAVE -
DSP
A
DUAL
A'
UPPER
OCTAVE +
Component Side
2NA-WH50940