97
Appendices
Troubleshooting
If the SD-90 does not function as you expect, please check the following points first. If this does not
resolve the problem, please contact a Roland Service Center (refer to the back cover).
■
Power won’t come on
●
Is the power cord of the SD-90 correctly connected to the AC outlet and to the SD-90?
Make the correct connections. -> “Getting Started”
■
Insufficient volume on a device connected to the audio input/output
jacks
●
Could you be using a connection cable with a built-in resistor?
Use a connection cable without a resistor (such as one from the Roland PCS series).
●
A cable with a built-in resistor is sometimes included with audio playback equipment.
Using such a cable may cause the playback to be too soft. Please use a cable that does not have a built-in
resistor.
●
Are input/output jacks selected correctly in the SYSTEM screen?
"Specifying the audio input/output jacks"
●
If you are using analog input jacks, the GAIN knob may have been lowered.
"Setting the volume of the source sound"
■
A specific part cannot be heard
●
Make sure that the MIDI receive channel of the Part matches the MIDI transmit channel of the connected
MIDI device.
●
There is a part that does not sound even when you press the [PREVIEW] button.
Is the part soloed or muted?
■
A certain range of notes does not sound
●
Keyboard Range settings may have been made.
"Part parameters (Native mode)"
■
The sound you expect is not selected
●
Are you transmitting a program change number that the SD-90 does not support?
Refer to
"Instrument list (GM2 / Native mode)"
(p. 129) for details about the sounds provided on the SD-
90.
●
Is the sound generator mode correct?
Specify the sound generator mode that includes the sound you want to select.
Sound generator mode ->
"Switching the sound generator mode (Inst Initialize)"
●
Is the sound set correct?
If the sound generator mode is GM2 mode or Native mode, there are four variations of sound set. Specify
the sound set that includes the sound you want to select (
sd90_manual_e.book 97 ページ 2004年10月4日 月曜日 午後3時28分