Troubleshooting - Pioneer CDJ-2000NXS2 Service Manual

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5.3 TROUBLESHOOTING

In this section, causes of failure, diagnostics points, and corrective measures can be searched for according to symptoms.
A
Before disassembling this unit, it is recommended to infer a failure point by performing a status check and referring to the error
code.
For the relationship of each power-supply and signal system, see "4. BLOCK DIAGRAM," and "10. SCHEMATIC DIAGRAM."
If software of the product is updated before performing diagnostics, check that software updating has been performed properly
before proceeding to diagnostics.
If software updating has not been performed properly, update the software, following the instructions in "[9] Firmware update"
of "6.1 SERVICE MODE."
Contents
[0] Prior Confirmation
[1] Failure in Startup
[2] Display (Jog FL/LED)
B
[3] Operations
(Button/Volume/Rotary enncoder / Jog dial / Touch panel)
[4] USB (Type A/Type B), SD card
[5] LAN
The waveform numbers confirmation-point numbers (10.27 WAVEFORMS) described in this section correspond to the
numbers on the "10. SCHEMATIC DIAGRAM" and "11. PCB DIAGRAM."
Be sure to check the failure points, as well as check for failure in their peripheral circuits.
[0] Prior Confirmation
[0-1] Checking in Service Mode
No. Cause Diagnostics Point
C
1 ————— —————
[0-2] Checking the Alarm Port
If "[0-1] Checking in Service Mode" is performed, this check is not required.
No. Cause Diagnostics Point
1 ————— Alarm port on
the MAIN Assy
(Fig. 1)
D
E
[0-3] Checking Cables
No. Cause Diagnostics Point
1 Disconnection, Cables
breakage, or
loose connection
of cables
[1] Failure in Startup
[1-1] No power
No. Cause Diagnostics Point
F
1 The SW POWER SW POWER
SUPPLY Assy SUPPLY Assy
does not function
properly.
16
1
2
Item to be Checked
Check for the location of a defect in
Service mode.
Item to be Checked
Check the output waveforms from the
alarm port.
Alarm port
Fig. 1
Item to be Checked
Check that all the cables are securely
connected.
Check that there is no breakage in the
cables.
Item to be Checked
Check V+12E.
CDJ-2000NXS2
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[6] AUDIO OUT
[7] ATAPI DRIVE
[8] DRIVE ASSY
[9] EUP mode
[10] SERVICE MODE
[11] Error Codes
[12] Power Monitoring
Corrective Action
See the section describing locations of defects in
this manual.
Corrective Action
If an output waveform is judged to be improper,
see the section describing locations of defects in
this manual.
MAIN Assy
Corrective Action
Securely connect the cables. If a cable is broken,
replace it.
Corrective Action
If V+12E (CN2 pin 5) is not output, the SW
POWER SUPPLY Assy is defective. Replace it.
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4
Reference
6.1 SERVICE MODE
Reference
6.1 SERVICE MODE
_[8] Alarm port output
Reference
4.1 OVERALL
WIRING DIAGRAM
10. SCHEMATIC
DIAGRAM
Reference
—————
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