Additional Information; Troubleshooting; Block Diagram - Pioneer DJM-250-W Operating Instructions Manual

Additional information

Troubleshooting

! Incorrect operation is often mistaken for trouble or malfunction. If you think that there is something wrong with this component, check the points
below. Sometimes the trouble may lie in another component. Inspect the other components and electrical appliances being used. If the trouble
cannot be rectified after checking the items below, ask your nearest Pioneer authorized service center or your dealer to carry out repair work.
! This unit may not operate properly due to static electricity or other external influences. In this case, proper operation may be restored by turning the
power off, waiting 1 minute, then turning the power back on.
Problem
The power is not turned on.
No sound or small sound.
Distorted sound.
Can't crossfade.
Can't fader start a DJ player.
Sound is distorted when an analog
player is connected to this unit's
[PHONO/LINE] terminals.
Or, lighting of the channel level
indicator does not change even when
the [TRIM] control is turned.

Block Diagram

CD1
LINE1/
PHONO1
CD2
LINE2/
PHONO2
MIC
OFF
AUX 1
AUX 2
AUX 3
14
En
Check
Is the included AC adapter properly connected?
Is the [ON/OFF] switch for power supply set to
[ON]?
Is the [CD, PHONO/LINE] input selector switch set
to the proper position?
Is the [PHONO/LINE] selector switch on this unit's
rear panel set to the proper position?
Are the [TRIM], [channel fader], [crossfader]
and [MASTER LEVEL] controls set to the proper
positions?
Are the connected powered speakers, etc., prop-
erly set?
Are the connection cables properly connected?
Are the terminals and plugs dirty?
Is [MASTER LEVEL] set at the proper position?
Is [TRIM] set at the proper position?
Is the [THRU, , ] (crossfader curve selector)
switch set to [THRU]?
Is the [CH-1] or [CH-2] button in the fader start
section set to the off position?
Is the control cord properly connected?
Are the audio cables properly connected?
Have you connected an analog player with a built-
in phono equalizer?
Is an audio interface for computers connected
between the analog player and this unit?
3Band
TRIM
EQ
3Band
TRIM
EQ
2Band
LEVEL
EQ
Remedy
Connect the included AC adapter properly to the power outlet. (page 7)
Properly attach the included AC adapter's power cord to this unit's cord hook.
(Page 7)
Set the [ON/OFF] switch for power supply to [ON]. (Page 10)
Switch the [CD, PHONO/LINE] input selector switch to the channel's input
source. (Page 11)
Switch the terminals' function using the [PHONO/LINE] selector switch on this
unit's rear panel. (Page 6)
Set the [TRIM], [channel fader], [crossfader] and [MASTER LEVEL] controls to
the proper positions. (Page 11)
Properly set the external input selection, volume, etc., on the powered speakers,
etc.
Connect the connection cables properly. (page 7)
Clean the terminals and plugs before making connections.
Adjust the [MASTER LEVEL] control so that the master level indicator's orange
indicator lights at the peak level. (Page 11)
Adjust the [TRIM] control so that the channel level indicator's orange indicator
lights at the peak level. (Page 11)
Set the [THRU,
than [THRU]. (Page 11)
Set the [CH-1] or [CH-2] button in the fader start section to the on position. (page
12)
Connect this unit and DJ player with a control cord. (page 7)
Connect this unit to the audio output terminal of a DJ player with an audio cable.
(page 7)
If the analog player is equipped with a built-in phono equalizer, connect it to the
[CD] terminals. (page 7)
If the analog player with built-in phono equalizer has a PHONO/LINE selector
switch, switch it to PHONO.
If the computer audio interface's output is line level, connect it to the [CD]
terminals. (page 7)
If the analog player has a PHONO/LINE selector switch, switch it to PHONO.
FILTER
CH 1
LEVEL METER
HP CH 1
FILTER
CH 2
LEVEL METER
HP CH 2
HP MASTER
HP CH 1
HP CH 2
HP MIX
, ] (crossfader curve selector) switch to a position other
CH 1
FADER
MASTER
CROSS
FADER
CH 2
FADER
HP OUT
HP VOL
MASTER LEVEL
METER
MASTER 1 OUT
MASTER 2 OUT
VOL
HP MASTER