Troubleshooting
Audio Problems
7-2
Audio Problems
CAUTION: To protect your ears, do not troubleshoot audio problems while 
wearing headphones. Additionally, always set the SP6 and connected 
audio system or mixer to a low volume level when troubleshooting audio 
problems.
NOTE: When solving audio problems, playing the SP6 Demo Songs is an easy way to test 
if the audio is working properly. To play the SP6 Demo Songs, press the KEYPAD and 0 
buttons simultaneously.
Problem The SP6 functions normally but does not produce sound or 
has low volume
Solutions If the VOLUME knob is turned down, slowly turn the VOLUME 
knob up.
If an expression pedal is plugged into the CC1 jack, try to turn up 
the volume using the expression pedal.
Use the MIDI Panic function by simultaneously pressing the 0 
and ENTER buttons to reset the MIDI Volume and Expression 
values for all MIDI Channels. 
Press the LOCAL DEST button until the LCD shows “Destination 
LOCAL+MIDI”.
If the volume control on your audio system or mixer is turned 
down, slowly turn the volume control up.
If your audio cables are not securely plugged into the SP6, audio 
system, or mixer, set the volume of the audio or mixer to the 
lowest level, securely plug in the audio cables on both ends, and 
then slowly turn up the volume.
Try using different audio cables. Obtain and securely connect 
the correct type of audio cables. The SP6 accepts both balanced 
(TRS) and unbalanced (TS) 1/4-inch audio cables.
If the signal source selection on your audio system or mixer is 
incorrect, set the volume of the audio or mixer to the lowest level, 
select the correct signal source, and then slowly turn up the 
volume.
If the input to your audio system or mixer is set for low 
impedance, set the volume of the audio or mixer to the lowest 
level, change the impedance setting to high, and then slowly turn 
up the volume of the audio system or mixer.
If the input trim to your audio system or mixer is set too low, 
slowly turn up the trim on your audio system or mixer.