Yamaha DJX Owner's Manual - Page 102
Appendix, TROUBLESHOOTING - replacement knobs
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TROUBLESHOOTING Problem When the DJX is turned on or off, a popping sound is temporarily produced. There is a persistent "humming" or "buzzing" sound. There is no sound even when the keyboard is played or when a song is being played back. The selected voice does not sound properly, or is too low in volume. There is no sound when playing the keyboard. The sound of the voices or rhythms seems unusual or strange. The pattern does not play back even when pressing the START/STOP button. There is no sound on either the DJX or the connected MIDI device. The pattern does not sound properly. Some Parts do not seem to sound. The Reverb/Chorus/DSP cannot be heard properly. Not all of the voices seem to sound, or the sound seems to be cut off. A strange "flanging" or "doubling" sound occurs when using the DJX with a sequencer. (This may also sound like a "dual" layered sound of two voices, even when Dual is turned off.) The sound is distorted or noisy. Possible Cause and Solution This is normal and indicates that the DJX is receiving electrical power. Make sure that the power adaptor is not close to or resting on the DJX panel. Check that nothing is connected to the PHONES/AUX OUT jack on the rear panel. When a set of headphones is plugged into this jack, no sound is output. Make sure that the following settings are appropriate: Main Voice Volume (#01, page 27), Dual Voice Volume (#11, page 30), and Split Voice Volume (#21, page 32). When setting the Split Point, the keyboard is used only to change the value and does not produce any sound. The battery power is too low. Replace the batteries. (See page 8.) When External Clock (page 96) is set to "on," style playback CANNOT be controlled from the DJX panel controls. • If Local Control (Function #84, page 96) is set to "off," the DJX voices will not sound even when playing the keyboard. • If Keyboard Out (Function #82, page 95) is set to "off," the connected MIDI device will not sound when playing the DJX keyboard. • Make sure that the Pattern Volume (page 49) is set to an appropriate level. • Make sure that the Pattern Split Point (#51, page 54) is set to an appropriate value. Make sure that none of the Parts have been inadvertently turned off with Part Control. (All of the relevant keys in the display should be dark.) • Make sure that the Send Level parameter for the effect (and the intended voice: Main, Dual, of Split) is set to an appropriate value. (See pages 27, 30, 32) • Make sure that the corresponding effect is turned on. (See pages 34, 35, 36) The DJX is polyphonic up to a maximum of 32 notes. If a the Dual voice or Split voice mode is being used and a style or song is playing back at the same time, some notes/sounds of the Pad may be omitted (or "stolen") from the pattern or song. (See the note on page 104.) • If you are routing the MIDI OUT on the DJX to a sequencer and back to the MIDI IN, you may want to set Local Control (page 96) to "off" to avoid MIDI "feedback." • When using the pattern with a sequencer, set MIDI Echo (or the relevant control) to "off." (Refer to the owner's manual of your particular device and/or software for details.) • Many of the DJX sounds have been deliberately processed or created with a "lo-rez" or "grunge" sound to suit certain styles of music. • Using the CUTOFF and RESONANCE knobs at or near the maximum settings (especially when the MASTER VOLUME dial is also at maximum) may result in distortion. • If this applies to the "Sampled" voice (#284), you may have recorded the sample(s) at too high a level. (See page 70.) 102