Pioneer DJM-900NXS Service Manual

45
DJM-900NXS
5
6 7 8
5
6 7 8
A
B
C
D
E
F
5.7 ERROR INDICATIONS
If an error is detected during a boot sequence, it will be indicated by flashing of the LFO FORM (WAKE UP) LED.
The LFO FORM LED infinite flashes (Intervals: 250 ms [Lit 125 ms/Unlit 125 ms]).
Effect Indication Microcomputer in failure Correspondence
ERROR MAIN CPU UPDATE error Please update it again.
ERROR SUB UCOM UPDATE error Please update it again.
ERROR DSP data UPDATE error Please update it again.
ERROR DSP program UPDATE error Please update it again.
ERROR USB UCOM UPDATE error Please update it again.
ERROR ETHER UCOM UPDATE error Please update it again.
ERROR FPGA UPDATE error Please update it again.
ERROR Update file error
Download the update file again then
perform updating.
ERROR
Parameter Indication
E001
E002
E003
E004
E005
E006
E007
E008
EE00
ERROR EEXX
LINK cutting error Please update it again.
LINK error XX : Error generation task ID Please update it again.
Indications of Errors during Power Failure
Indications of Errors during Startup
Indications of Errors during Updating
Error (in the
order of detection)
Detecting
Microcomputer
Indication Cause Diagnostic procedure
MAIN_CPU
(IC2011)
MAIN_CPU
(IC2011)
The unit will be forcefully started
in Update mode.
LFO FORM (WAKE UP) LED:
Not flashing
Error of the ROM inside the MAIN_
CPU (Depending on the degree of
damage to the ROM, the unit may
be in a state of power-off.)
Troubleshooting: “LFO FORM (WAKE UP)
LED not flashing” in [1-1] No power,
[1] Failure in Startup
DSP
(IC701)
MAIN_CPU
(IC2011)
Repeated once flashing of the
LFO FORM (WAKE UP) LED
(lit and unlit for 250 ms each 1
time then unlit for 1 s)
Error during the 1st command
communication between the MAIN
_CPU and DSP (via FPGA)
Troubleshooting: “LFO FORM (WAKE UP)
LED flashing once” in [1-2] No power,
[1] Failure in Startup
ETHER UCOM
(IC501)
MAIN_CPU
(IC2011)
Repeated 3-time flashing of the
LFO FORM (WAKE UP) LED
(lit and unlit for 250 ms each 3
times then unlit for 1 s)
Error during the 1st command
communication between the MAIN
_CPU and ETHER UCOM
(via FPGA)
Troubleshooting: “LFO FORM (WAKE UP)
LED flashing 3 times” in [1-3] No power,
[1] Failure in Startup
SUB UCOM
(IC6601)
MAIN_CPU
(IC2011)
Repeated 5-time flashing of the
LFO FORM (WAKE UP) LED
(lit and unlit for 250 ms each 5
times then unlit for 1 s)
Error during the 1st command
communication between the MAIN
_CPU and SUB_UCOM (via FPGA)
Troubleshooting: “LFO FORM (WAKE UP)
LED flashing 5 times” in [1-4] No power,
[1] Failure in Startup
USB UCOM
(IC1801)
MAIN_CPU
(IC2011)
Repeated 6-time flashing of the
LFO FORM (WAKE UP) LED
(lit and unlit for 250 ms each 6
times then unlit for 1 s)
Serial communication error
between the MAIN_CPU and
USB UCOM
Troubleshooting: “LFO FORM (WAKE UP)
LED flashing 6 times” in [1-5] No power,
[1] Failure in Startup
DOUT DIT
(IC2405)
MAIN_CPU
(IC2011)
Repeated 7-time flashing of the
LFO FORM (WAKE UP) LED
(lit and unlit for 250 ms each 7
times then unlit for 1 s)
Serial communication error
between the MAIN_CPU and
DOUT DIT
Troubleshooting: “LFO FORM (WAKE UP)
LED flashing 7 times” in [1-6] No power,
[1] Failure in Startup

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