Pioneer DJM-900NXS Service Manual

26
DJM-900NXS
1
2 3 4
A
B
C
D
E
F
1
2 3 4
5.2 TROUBLESHOOTING
[0] Prior Confirmation
[0-1] Checking Internal Cables
4.1 OVERALL
CONNECTION
DIAGRAM
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
[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
[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.
*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
No. Cause Diagnostics Point Item to be Checked Corrective Action Reference
1
Disconnection,
breakage, or
loose connection
of internal cables
Relevant part
Check that all the cables are securely
connected.
Check that there is no breakage in the
cables.
Securely connect the cables. If a cable is
broken, replace it.

Pioneer DJM-900NXS Specifications

General

Sample rate	96 kHz
Frequency range	20 - 20000 Hz
Channels quantity	4 channels
Digital sound processing	24 bit
Number of EQ bands per channel	3
Line Signal-to-Noise Ratio (SNR)	107 dB
Total Harmonic Distortion (THD)	0.004 %
Microphone in	Yes
Line inputs (RCA)	6
Phono inputs (RCA)	2
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Digital audio coaxial out	1
Power consumption (typical)	42 W