Pioneer djm909 Owner's Manual - Page 27

Troubleshooting - service manual

Page 27 highlights

TROUBLESHOOTING Incorrect operations are often mistaken for trouble and malfunctions. If you think there is something wrong with this component, check the points below. Sometimes the trouble may originate from another component. Thus, also check the other electrical appliances also in use. If the trouble cannot be rectified even after checking the following items, contact your dealer or nearest PIONEER service center. Problem Possible Cause Countermeasure The power does not turn on. ÷ The power cord has not been connected. ÷ Connect the cord to a power outlet. There is little or no sound. ÷ The Input selector switch is in the wrong position. ÷ The rear panel's PHONO/LINE selector switch is set to [LINE] when a analog turntable is connected to the input connectors. ÷ The connection cable hasn't been connected properly or has been disconnected. ÷ The terminal or plug is dirty. ÷ The TRANSFORM lever is tripped. ÷ Set the Input selector switch to the device currently playing. ÷ Set the PHONO/LINE selector switch to [PHONO]. ÷ Connect it properly. ÷ Clean and reconnect. ÷ Return the TRANSFORM lever to its upright position. Sound is distorted. ÷ Master output level is too high. ÷ Input level is too high. ÷ The rear panel's PHONO/LINE selector switch is set to [PHONO] when a cassette deck or other line component is connected to the input connectors. ÷ Adjust MASTER LEVEL dial. ÷ Adjust the TRIM dial so that the input level approaches 0 dB on the peak level meter. ÷ Set the PHONO/LINE selector switch to [LINE]. CD player's fader won't start. ÷ The top panel's FADER START button is set to Off. ÷ The rear panel's PLAYER CONTROL jack hasn't been connected. ÷ Set the top panel's FADER START button to On. ÷ Use the control cord to connect the unit and CD player. Effects don't work. ÷ EFFECT switch is [OFF]. (If hand is released when switch is in [ON] position, it will return to [OFF].) ÷ The effect MIX/DEPTH dial is set to [MIN]. ÷ Either hold EFFECT switch at [ON] position, or set to [LOCK ON]. ÷ Adjust effect MIX/DEPTH dial properly. External effector's sound distorted. ÷ The input level from the external effector is too high. ÷ Lower the external effector's output level. External effector don't work. ÷ The top panel's SEND buttons (MIC SEND, CH-1 SEND, CH-2 SEND) are set to Off. ÷ An external effector's output coupler is not connected to the RETURN jacks. ÷ Turn on the top panel's SEND button corresponding to the channel you wish to apply external effects to (indicator will light). ÷ Connect an external effector's output coupler to the RETURN jacks. BPM can't be measured, or value is strange. ÷ Input level is too high or too low. ÷ BPM may not measure properly with some tracks. ÷ Adjust TRIM dial to set input level around 0 dB on the peak level meter. ÷ Set other channels so that input level is around 0 dB. ÷ Strike TAP switch to count BPM manually. The counted BPM differs from ÷ Different counting methods are used, resulting in ÷ No response necessary. the CD's published value. some variation in values. Can't see touch panel display. ÷ Improper contrast adjustment. ÷ Backlight is too dark. ÷ Adjust touch panel CONTRAST control on rearpanel. ÷ Adjust the rear panel's touch panel backlight control (BRIGHT). Static electricity or other external interference may cause the unit to malfunction. To restore normal operation, turn the power off and then on again. 27

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27
<DRB1349>
The power does not turn on.
There is little or no sound.
Sound is distorted.
CD player’s fader won’t start.
Effects don’t work.
External effector’s sound
distorted.
External effector don’t work.
BPM can’t be measured, or
value is strange.
The counted BPM differs from
the CD’s published value.
Can’t see touch panel display.
÷
Connect the cord to a power outlet.
÷
Set the Input selector switch to the device
currently playing.
÷
Set the PHONO/LINE selector switch to
[PHONO].
÷
Connect it properly.
÷
Clean and reconnect.
÷
Return the TRANSFORM lever to its upright
position.
÷
Adjust MASTER LEVEL dial.
÷
Adjust the TRIM dial so that the input level
approaches 0 dB on the peak level meter.
÷
Set the PHONO/LINE selector switch to [LINE].
÷
Set the top panel
s FADER START button to On.
÷
Use the control cord to connect the unit and CD
player.
÷
Either hold EFFECT switch at [ON] position, or
set to [LOCK ON].
÷
Adjust effect MIX/DEPTH dial properly.
÷
Lower the external effector
s output level.
÷
Turn on the top panel
s SEND button
corresponding to the channel you wish to apply
external effects to (indicator will light).
÷
Connect an external effector
s output coupler to
the RETURN jacks.
÷
Adjust TRIM dial to set input level around 0 dB
on the peak level meter.
÷
Set other channels so that input level is around 0
dB.
÷
Strike TAP switch to count BPM manually.
÷
No response necessary.
÷
Adjust touch panel CONTRAST control on rear-
panel.
÷
Adjust the rear panel
s touch panel backlight
control (BRIGHT).
Problem
Possible Cause
Countermeasure
÷
The power cord has not been connected.
÷
The Input selector switch is in the wrong
position.
÷
The rear panel
s PHONO/LINE selector switch is
set to [LINE] when a analog turntable is
connected to the input connectors.
÷
The connection cable hasn
t been connected
properly or has been disconnected.
÷
The terminal or plug is dirty.
÷
The TRANSFORM lever is tripped.
÷
Master output level is too high.
÷
Input level is too high.
÷
The rear panel
s PHONO/LINE selector switch is
set to [PHONO] when a cassette deck or other
line component is connected to the input
connectors.
÷
The top panel
s FADER START button is set to Off.
÷
The rear panel
s PLAYER CONTROL jack hasn
t
been connected.
÷
EFFECT switch is [OFF]. (If hand is released
when switch is in [ON] position, it will return to
[OFF].)
÷
The effect MIX/DEPTH dial is set to [MIN].
÷
The input level from the external effector is too
high.
÷
The top panel
s SEND buttons (MIC SEND, CH-1
SEND, CH-2 SEND) are set to Off.
÷
An external effector
s output coupler is not
connected to the RETURN jacks.
÷
Input level is too high or too low.
÷
BPM may not measure properly with some
tracks.
÷
Different counting methods are used, resulting in
some variation in values.
÷
Improper contrast adjustment.
÷
Backlight is too dark.
TROUBLESHOOTING
Incorrect operations are often mistaken for trouble and malfunctions. If you think there is something wrong with this component,
check the points below. Sometimes the trouble may originate from another component. Thus, also check the other electrical
appliances also in use.
If the trouble cannot be rectified even after checking the following items, contact your dealer or nearest PIONEER service center.
Static electricity or other external interference may cause the unit to malfunction. To restore normal operation, turn the power off
and then on again.