Yamaha EX7 Electronic Keyboard User Manual


 
Appendix
291
Troubleshooting
The following table provides troubleshooting hints and page references for some common
problems. Most problems may be simply the result of incorrect settings. Before calling for
professional service, refer to the troubleshooting advice below to see if you can find and
correct the cause of the problem.
No sound.
Is the volume set appropriately? (P. 9)
(On EX5/7) When the Foot Controller is connected to the FOOT VOLUME jack, is the Foot
Volume pressed down? (P. 17)
Is the Volume parameter in PARAM, COM menu (Voice Edit) set appropriately? (P. 77)
Is the Level parameter in PARAM, AMP menu (Voice Edit) set appropriately? (P. 96)
Is the Level parameter in MIX, OSC menu (Voice Edit) set appropriately? (P. 81)
Is the note range/velocity (note) range in ZONE, OSC menu (Voice Edit) set appropriately? (P. 82)
Isn't each element muted? (P. 77)
Filters set for each element may inadvertently cut almost all the sound? (P. 86)
(AN elements) Is the PulseWidth parameter in VCO, OSC menu (Voice Edit) set appropriately? (P. 116)
Are the effect settings appropriate? (P. 105)
Are the MIDI receive channels set appropriately? (P. 165, 271)
Is the audio equipment connected appropriately? (P. 18)
Isn't Local set to off? (P. 275)
Are the settings, Velocity Sensitivity, Note Limit and Velocity Limit appropriate? (P. 166, 82)
(When playing back a song using the internal sequencer or an external MIDI device,) are the
volume and expression settings for the song data appropriate?
(When playing performances using the internal sequencer or an external MIDI device,) Are the
MIDI settings, transmit channels of each sequencer track and receive channels of each part of
the performance, set appropriately? (P. 171)
(Performance) Is the volume of each part set enough? (P. 167)
(Performance) Is the Output Select of each part set appropriately? (P. 167)
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