OTHER (TROUBLESHOOTING)
TROUBLESHOOTING
Incorrect operations can be mistaken as malfunctions. If you believe the unit is not operating correctly, consult the chart below.
Sometimes incorrect operation may be due to a malfunction in another component. If the problem is not fixed, check the other
components used with the player. If the problem still persists, contact your nearest Pioneer authorized service center or dealer for
service.
Symptom
Disc doesn't eject even when EJECT
button is pressed.
Play doesn't commence even when
the disc is inserted.
Playback immediately stops when
started. During playback, the player
pauses or stops.
Cannot playback MP3s.
Cannot search MP3s.
No sound is audible.
Sound is distorted, noise is output.
With certain discs, loud noise is
produced or play stops.
When the auto cue function is set
ON, track search is not finished.
Back cue function cannot be carried
out even though the CUE button is
pressed in playback mode.
Pressing the OUT/OUT ADJUST
button does not start loop play.
The jog dial does not operate as
desired.
The picture of the TV screen is
fluctuated or FM broadcast is
interfered with noise.
The disc is not rotating when power
is ON.
÷ Static electricity and other external effects may cause this unit to malfunction. In this case, set the POWER switch to OFF, then
switch it on again after the disc has come to a complete stop.
÷ This unit cannot playback unfinalized (partial discs) CD-R or CD-RW discs.
÷ Irregularly shaped discs cannot be played on the CDJ-400 (as it may result in breakage or accidents). Please use only standard
circular 12 cm discs.
÷ The BPM value measured by the CDJ-400 may differ from the BPM value recorded on a CD or from our DJ mixer, but this
difference is a result of differences in the BPM value measurement method; not a result of a fault with the player.
÷ When playing CD-R/RW discs, the performance rate may drop due to quality of the recorded data.
22
Cause
÷ Power plug is disconnected from outlet.
÷ The auto cue function is set to on.
÷ Smudges on the disc, etc.
÷ The files are in the wrong format.
÷ Attempted to search (fast-forward/fast-
reverse) MP3s into a different folder.
÷ Output cables are connected incorrectly or
are loose.
÷ Incorrect operation of DJ mixer.
÷ Pin plugs and/or amplifier terminals are
dirty.
÷ Player is in pause mode.
÷ Incorrect connections.
÷ Pin plugs and/or amplifier terminals are
dirty.
÷ Interference is being picked up from a TV
set.
÷ Disc has a bad scratch or warp.
÷ Disc is extremely dirty.
÷ If the sound muted portion between
selections is long, searching time will be
long.
÷ If the point cannot be found within 10
seconds, the cue point is set at the track's
beginning.
÷ The cue point is not set yet.
÷ The cue point is set to an MP3 file in a
different folder.
÷ No cue points (loop-in points) have been set.
÷ In the case of MP3, loop cannot be per-
formed if no loop-in point is located within
the currently playing track.
÷ Incorrect jog mode (VINYL/CDJ) is set.
÷ Interference is being picked up from the CD
player.
÷ The disc rotation stops automatically if no
operation has been performed for 100
minutes or more in pause mode.
Remedy
÷ Connect plug to wall outlet.
÷ Press the AUTO CUE button to turn off the
Auto Cue function.
÷ Clean the smudges from the disc and then
play it again.
÷ P.6 "Playing MP3 Files."
÷ Track searching with MP3s are only possible
within the same folder.
÷ Recheck connections. Refer to installation
instructions. (P. 9, 10)
÷ Check the settings of the DJ mixer switches
and sound volume controls.
÷ Clean away dirt.
÷ Press the PLAY/PAUSE button (6).
÷ Connect to audio mixer's LINE INPUT termi-
nals. (Do not connect to MIC terminals.)
÷ Clean away dirt.
÷ Switch OFF TV set, move player away from TV
set or plug the player into a separate outlet.
÷ Replace disc.
÷ Clean disc.
÷ Press the AUTO CUE button to turn off the
Auto Cue function.
÷ Set the cue point. (P. 18)
÷ During playback of MP3s, back cue is possible
only within the same folder.
÷ Set a cue point. (P. 18)
÷ During playback of MP3s, looping is possible
only within the same track that has a cue point
(loop-in point) set.
÷ Press the JOG MODE VINYL button to set the
desired jog mode (VINYL or CDJ).
÷ Turn off POWER switch of the player, or move
the player away from the TV or tuner.
÷ Playback can be started from the first track by
pressing the PLAY/PAUSE button (6). Press
the EJECT button to eject the disc.
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