Kurzweil K2700 Musician's Manual page 354

Audio Problems
Caution: Do not troubleshoot audio problems using headphones. Always be aware of the
volume levels on the K2700 and on the connected audio system or mixer.
Note: When diagnosing audio problems, set the K2700 to play a Song Demo rather then
intermittently pressing keys. This will prevent any unexpectedly loud volume changes.
If there is no sound from your K2700, check if one of the following might be the issue:
ISSUE
REMEDY
ISSUE
REMEDY
ISSUE
REMEDY
ISSUE
REMEDY
ISSUE
REMEDY
ISSUE
REMEDY
The volume Slider is turned down.
Slowly push the volume slider up.
The volume control on the audio system or mixer is turned
down.
Slowly turn the volume control up.
The signal source selection on the 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.
The audio cables are not securely plugged into the K2700,
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.
The Destination parameter stops MIDI Data.
Change the Global Mode (MIDI page) "Destination" parameter to
USB+MIDI+LOCAL (see
The audio cable is of an incorrect type.
Obtain and securely connect an audio cable of the correct type.
The K2700 accepts both balanced (TRS) and unbalanced (TS)
1/4-inch audio cables.
page 9-20)
Troubleshooting
Common Problems
10-3