Yamaha S90 ES Owner's Manual page 185

How to Install the Optional
Plug-in Board
A variety of optional Plug-in boards sold separately let you
expand the voice library of your instrument. The S90 ES
provides three slots behind the rear panel for the Plug-in
Boards, allowing you to install up to three board to the
instrument. For details about the Plug-in Boards which can
be used with the S90 ES, see page 99.
n
The Vocal Harmony Plug-in board (PLG100-VH) can be installed
only to slot 1.
n
The Multi part Plug-in Board (PLG100-XG) can be installed only to
slot 3.
n
The Single Part Plug-in boards can be installed to any of the three
slots.
1
Turn the S90 ES's power off, and disconnect the AC
power cord. Also, make sure to disconnect the S90
ES from any other external devices.
2
Remove the large screw from the expansion bay
cover on the rear panel using a Phillips screwdriver.
Keep the removed screw in a safe place. Be careful not to
misplace any of the screws since all of them are used.
GREEN
YELLOW
Plug-in SLOT ORANGE
GREEN
YELLOW
Plug-in SLOT ORANGE
3
Remove the ribbon cables that are to be connected
to the Plug-in board from the inside of the S90 ES.
The slots are assigned to the color-coded cables as
follows: Slot 1 — orange, Slot 2 — yellow, Slot 3 — green.
3
2
Plug-in SLOT
1
Slot 3
Slot 2
Slot 1
Cable for
GREEN
Slot 3
YELLOW
ORANGE
(Green)
Cable for
Slot 2
(Yellow)
Cable for
Slot 1
(Orange)
Green
Yellow
Orange
4
Insert the board along the guide rails about two-
thirds of the way inside the S90 ES, with the
connector side face up and toward you.
Plug-in SLOT
Slot 3
Slot 2
Slot 1
Securely insert the board into the appropriate slot,
taking care that the board isn't jammed between
slots.
5
Insert the Plug-in board the rest of the way into the
expansion bay.
Plug-in SLOT
n
The Vocal Harmony Plug-in Board (PLG100-VH) can be installed
only to slot 1. It cannot be installed to slot 2 or 3.
n
The Multi part Plug-in Board (PLG100-VH) can be installed only to
slot 3. It cannot be installed to slot 1 or 2.
Installing Optional Hardware
3 GREEN
2 YELLOW
1 ORANGE
3 GREEN
2 YELLOW
1 ORANGE
Owner's Manual
185