Roland 5100011346 -01 用户手册

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).

• Make sure that the SD-50’s AC adaptor is correctly connected 

• Check to see if you have enough battery power remaining (p. 

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?

• 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.

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)?

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).

Check the following points.

• Could the SD-50’s tuning be incorrect?

• Could the pitch have been changed by a pitch bend message 

received from an external MIDI device?

• 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

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