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Troubleshooting
If you experience a problem, read this chapter first. It contains information that may help you solve the problem. If the information here
does not help you solve the problem, try accessing the Roland website. If you are still unable to solve the problem, please contact a
service location listed at the end of this manual.
If a message appears in the screen during use, refer to “Error Messages” (p. 104).
Power will not turn on
• Make sure that the SD-50’s AC adaptor is correctly connected
to an outlet and to the SD-50 (p. 20).
• Check to see if you have enough battery power remaining (p.
21).
No sound
Check the following points.
• Are the connected amp and speaker powered up? Could the
volume be lowered?
• Could the [VOLUME] knob be turned down?
• Are the connections correct?
• Can you hear sound through headphones?
• If you can hear sound through headphones, it may be that
the connection cables are broken, or that your amp or
speaker has malfunctioned. Check the cables and your
equipment once again.
• Could the part level settings have been minimized?
Check the level of each part (p. 50).
• Are the effect settings appropriate?
Check the effect on/off, effect balance, and level settings
(p. 50).
• Could a MIDI message received from an external MIDI device
(volume message or exclusive message) have lowered the
volume?
• Is the SD-50 connected to a computer?
The Player function cannot be used when the SD-50 is
connected to a computer. Nor is it possible to play the
SD-50’s sound generator via the MIDI IN connector.
No sound from a specific part
Check the following points.
• Could the volume of that part be turned down?
Raise the Level setting of that part to increase the volume
(p. 50).
• Could the part be set to “M” (Mute)?
Change the setting to “-” (p. 49).
Sound is distorted
Check the following points.
• If the overall sound is distorted, use [VOLUME] dial to lower
the volume.
• Could the Output Gain be raised excessively?
Check the system setting Output Gain (p. 73).
Pitch is incorrect
Check the following points.
• Could the SD-50’s tuning be incorrect?
Check the Master Tune setting (p. 73).
• Could the pitch have been changed by a pitch bend message
received from an external MIDI device?
Notes are interrupted
• If a large number of notes are played, notes might be
interrupted.
Reduce the number of tones being used.
Problems Using The SD-50 as a Player
Overall
Problems with the Sound
SD-50_e.book 88 ページ ２０１０年１月２５日 月曜日 午前１０時５２分