Roland MC-4 Manuel du propriétaire Page 142

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142
Installing the Wave Expansion Board
An optional Wave Expansion Board (SRX series) can be installed in
the MC-909.
Waveform data, patches and rhythm sets are stored on the Wave
Expansion Board, so you can increase the number of available
sounds by installing the board in the MC-909.
Cautions When Installing a
Wave Expansion Board
901
To avoid the risk of damage to internal components that can be
caused by static electricity, please carefully observe the following
whenever you handle the board.
1
Before you touch the board, always first grasp a metal object
(such as a water pipe), so you are sure that any static
electricity you might have been carrying has been discharged.
2
When handling the board, grasp it only by its edges. Avoid
touching any of the electronic components or connectors.
5
Save the bag in which the board was originally shipped, and
put the board back into it whenever you need to store or
transport it.
Use a Philips screwdriver that is suitable for the size of the screw
(a number 2 screwdriver). If an unsuitable screwdriver is used,
the head of the screw may be stripped.
To remove a screw, rotate the screwdriver counter-clockwise. To
tighten the screws, rotate the screwdriver clockwise.
fig.Screw.e
Be careful that the screws you remove do not drop into the
interior of the MC-909.
Be careful not to cut your hand on the edge of the cover or the
opening edge while removing the cover.
911
Do not touch any of the printed circuit pathways or connection
terminals.
912
Never use excessive force when installing a circuit board. If it
doesn’t fit properly on the first attempt, remove the board and try
again.
913
When circuit board installation is complete, double-check your
work.
914
Always turn the unit off and unplug the power cord before
attempting installation of the circuit board (SRX series; Quick
Start p. 2).
915
Install only the specified circuit board (SRX series). Remove only
the specified screws (p. 142).
928
When turning the unit upside-down, get a bunch of newspapers
or magazines, and place them under the four corners or at both
ends to prevent damage to the buttons and controls. Also, you
should try to orient the unit so no buttons or controls get
damaged.
929
When turning the unit upside-down, handle with care to avoid
dropping it, or allowing it to fall or tip over.
Do not leave the bottom cover removed. After installation of the
Wave Expansion Board is complete, be sure to replace the cover.
How to Install a Wave
Expansion Board
Install the Wave Expansion Board after removing the bottom panel
cover.
1.
Before installing the Wave Expansion Board, turn off the power
of the MC-909 and all connected devices, and disconnect all
cables, including the Power cable, from the MC-909.
2.
Turn the MC-909 over, remove the screws indicated in the
following diagram, and remove the cover.
fig.Exp-01.e_90
3.
Plug the connector of the Wave Expansion Board into the
connector on the unit, and at the same time insert the board
holder through the hole of the Wave Expansion Board.
fig.Exp-02.e
4.
Use the Installation Tool supplied with the Wave Expansion
Board to turn the holder in the LOCK direction, so the board
will be fastened in place.
fig.Exp-03
5.
Use the screws that you removed in step
2
to fasten the cover
back in place.
tightenloosen
Screws to be removed
Board holder
Connector
Position it as shown
before you install
the board.
LOCK
MC-909_Ref_e.book 142 ページ 2005年6月28日 火曜日 午後2時53分
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