Pioneer DJM-500 Owner's Manual - Page 18

TROUBLESHOOTING Incorrect operations are often mistaken for trouble and malfunctions. If you think that there is something wrong with this component, check the points below. Sometimes the trouble may lie in another component. Investigate the other components and electrical appliances being used. If the trouble cannot be rectified even after exercising the checks listed below, ask your nearest PIONEER authorized service center or your dealer to carry out repair work. Symptom Cause Remedy The power does not turn on. • The power cord is not connected. • Connect to the power outlet. No sound or soft sound. • The position of the input selector switch is wrong. • The connection cord is not connected properly or disconnected. • The terminal or plug is dirty. • The master output level adjustment control is set too low. • Select the device currently playing with the input selector switch. • Connect properly. • Clean and connect. • Adjust the master output level adjust- ment control. Noises • The master output level is too high. • The input level is too high. • Adjust with the master output level adjustment control. • Adjust with the trim knob. No cross fader. • The cross fader switch is OFF. • Turn on the cross fader switch. • The Assign A and B switches are not set correctly. • Set the cross-fader source with the assign switch. The fader of the CD player • The fader start switch is off. does not start. • The player control terminal at the rear is not connected. • Turn on the fader start switch. • Connect the control terminals of the CD player and the unit with the control cord. No effects. • The effect channel selector is not set correctly. • The parameter knob is set to minimum (MIN). • Select the channel to be imposed with the effects properly. • Adjust the parameter knob. External effector noise. • The level of the input from the external effector • Lower the output level of the external is too high. effector. Abnormal functioning of this unit may be caused by static electricity, or other external interference. To restore normal operation, turn the power off and then on again. Replacement of Cross Fader Volume Control The unit has a structure which allows its cross fader to be replaced. Replace as follows. 1 Disconnect the power plug of the unit from the outlet. 2 Pull up the knob A of the cross fader and remove. 3 Remove the two screws B and remove the slider panel C. 4 Remove the cross fader assembly from the unit, and disconnect the connector D. 5 Remove the two screws E and replace the cross fader volume control with a new one. 6 Attach the screws E, connector D, slider panel C, screws B, and knob A of the cross fader in the reverse order of the above. Fully insert the connector D into the cross fader assembly. If it is not fully inserted, the unit will not work correctly. B E E NOTES: • Do not touch the internal parts of the unit or put your hand inside the unit, as this may cause injuries and damage to the unit. • Be careful not to drop removed parts and screws inside the unit. 18 Order the cross fader assembly (DWG1473) from your nearest dealer or PIONEER authorized service center.