Troubleshooting; Contents - Pioneer DJM-900NXS Service Manual

1

5.2 TROUBLESHOOTING

A

Contents

[0] Prior Confirmation
[0-1] Checking Internal Cables
[1] Failure in Startup
[1-1] The unit dose not turn on, and the LED of the LFO FORM (WAKE UP) button does not flash.
[1-2] The unit does not turn on, and the LED of the LFO FORM (WAKE UP) button flashes once.
[1-3] The unit does not turn on, and the LED of the LFO FORM (WAKE UP) flashes three times.
[1-4] The unit does not turn on, and the LED of the LFO FORM (WAKE UP) flashes five times.
[1-5] The unit does not turn on, and the LED of the LFO FORM (WAKE UP) flashes six times.
[1-6] The unit does not turn on, and the LED of the LFO FORM (WAKE UP) flashes seven times.
[1-7] The unit does not turn on, and the LED flashes endlessly.
[2] AUDIO INPUT
B
[2-1] No signal is input to the CD/LINE, PHONO connectors.
[2-2] No signal is input to the DIGITAL connector.
[2-3] No signal is input to the MIC1/MIC2 connectors.
[2-4] No signal is input to the RETURN connector.
[3] AUDIO OUTPUT
[3-1] No signal is output from the MASTER1/MASTER2 connectors.
[3-2] No signal is output from the REC connector.
[3-3] No signal is output from the BOOTH connector.
[3-4] No signal is output from the SEND connector.
[3-5] No signal is output from the PHONES connector.
[3-6] No signal is output from the DIGITAL MASTER OUT connector.
[4] DVS
C
[4-1] No analog timecode signal input to the mixer.
[4-2] No signal is input to and output from the USB 1 to 4 connectors.
[5] FL
[5-1] The FL does not light.
[6] X-PAD
[6-1] Pressing on the JOG dial not be detected.
[6-2] The X-PAD LEDs not light.
[7] LAN
[7-1] No LAN communication.
D
*Point to be checked – Assys are classified with prefix.
[1-**] MAIN Assy
[2-**] INPUT Assy
[3-**] SEND Assy
[4-**] PNLA Assy
[5-**] HPJK Assy
[6-**] POER SUPPLY Assy
[0] Prior Confirmation
E
[0-1] Checking Internal Cables
No. Cause Diagnostics Point
Disconnection,
breakage, or
1 Relevant part
loose connection
of internal cables
F
26
1
2
Item to be Checked
Check that all the cables are securely
connected.
Check that there is no breakage in the
cables.
DJM-900NXS
2
3
Corrective Action
Securely connect the cables. If a cable is
broken, replace it.
3
4
Reference
4.1 OVERALL
CONNECTION
DIAGRAM
4