FS-SD550R/FS-SD770R/FS-SD990R
1-14
Prior to performing following procedure, remove the 
CD mechanism board.
Disconnect the wire from connector CN502 on the 
jack board.
Remove the two screws V  attaching the jack board.
1.
2.
Removing the jack board (See Fig.35)
Prior to performing following procedure, remove the 
CD mechanism board.
Disconnect the wire from connector CN502 on the 
jack board.
Remove the six screws W  attaching the switch 
board.
1.
2.
Removing the switch board (See Fig.35)
Disconnect the harness from connector CN706 on 
the CD mechanism board on the underside of the 
CD mechanism base assembly.
Push inward the two tabs d attaching the LED board 
case and release them.
Pull out the LED board from the LED board case.
1.
2.
3.
Removing the LED board 
(See Fig.36 and 37)
Fig.35
Fig.36
Fig.37
Jack board
Switch board
CN502
V
V
W
W
Tabs d
CD mechanism board
CN706
LED board
LED board case