Roland MC-909 사용자 설명서

 

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.

 

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 

 

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.

 

Install the Wave Expansion Board after removing the bottom panel 
cover.

 

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.

 

Turn the MC-909 over, remove the screws indicated in the 
following diagram, and remove the cover.

 

fig.Exp-01.e_90

 

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

 

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

 

Use the screws that you removed in step 

 

 to fasten the cover 

back in place.

tighten

loosen

Screws to be removed

Board holder

Connector

Position it as shown 
before you install 
the board.

LOCK

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