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<DRB1252>
En/Fr
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.
There is little or no sound.
Sound is distorted.
Can’t use cross fading.
CD player’s fader won’t
start.
Effects don’t work.
External effector’s sound
distorted.
Can’t measure BPM.
Measured BPM values are
strange.
Measured BPM value
differs from value indicated
on CD.
Can’t use CH-4’s PHONO 3
input terminal.
÷ The power cord has not been connected.
÷ The input selector switch is in the wrong
position.
÷ The connection cable hasn’t been connected
properly or has been disconnected.
÷ The terminal or plug is dirty.
÷ The master output level control (MASTER
LEVEL ATT.) on the back has been set too
low.
÷ Master output level is too high.
÷ Input level is too high.
÷ ASSIGN A & B haven’t been set correctly.
÷ Fader start switch is off.
÷ The player control terminal on the back hasn’t
been connected.
÷ Effect/sampler selector switch hasn’t been
set correctly.
÷ Effect/sampler parameter 2 knob was set to
the minimum (MIN.).
÷ The input level from the external effector is
too high.
÷ Input level is too high or too low.
÷ BPM can’t be measured in some cases,
depending on the music.
÷ Because of different BPM measurement
methods, somewhat different values may be
indicated.
÷ A sub-microphone has been connected.
÷ Connect the cord to a power outlet.
÷ Set the input selector switch to the device
currently playing.
÷ Connect it properly.
÷ Clean and reconnect.
÷ Adjust the master output level control
(MASTER LEVEL ATT.) on the back.
÷ Adjust the master output level control
(MASTER LEVEL ATT.) on the back.
÷ Adjust the TRIM knob so that the input level
approaches 0dB on the peak level meter.
÷ Set the ASSIGN switches to the correct cross
fader source.
÷ Turn on the fader start switch.
÷ Use the control cable to connect the unit and
CD player.
÷ Correctly select the channel to which effects
should be applied.
÷ Adjust the effect/sampler parameter 2 knob.
÷ Lower the external effector’s output level or
adjust the return level using the effect/
sampler parameter 2 knob.
÷ Adjust the TRIM knob so that the input level
approaches 0dB on the peak level meter.
÷ Adjust input levels of other channels to
approach 0dB.
÷ Press the TAP switch and set BPM manually.
÷ No countermeasures necessary.
÷ Disconnect the sub- microphone.
Static electricity or other external interference may cause the unit to malfunction. To restore normal operation, turn the power off and then
on again.
En