Troubleshooting; Contents 5 - Pioneer CDJ-2000 Service Manual

1

5.3 TROUBLESHOOTING

A
In this section, causes of failure, diagnostics points, and corrective measures can be searched for according to symptoms.
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 [7] Firmware update of
"6.2 DETAILS OF THE SERVICE MODE."
Contents
[0] Prior Confirmation
[1] Failure in Startup
B [2] Display (JOG FL/LED)
[3] Operations (SW/Volume/JOG/CDC/Rotary Encoder)
[4] USB (Type A/Type B), SD Card
[5] LAN
[6] ATAPI DRIVE
[7] AUDIO OUT
[8] CONTROL
[9] DRIVE Assy
[10] EUP Mode
[11] SERVICE MODE
[12] Error Codes
C
[0] Prior Confirmation
[0-1] Checking in Service Mode
No. Cause Diagnostics Point
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
D
Alarm port on
1
the MAIN Assy
(Fig. 1)
E
[0-3] Checking Cables
No. Cause Diagnostics Point
Disconnection,
F
breakage, or
1 Cables
loose connection
of cables
28
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
Item to be Checked
Check that all the cables are securely
connected.
Check that there is no breakage in the
cables.
CDJ-2000
2
3
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
Fig. 1
Corrective Action
Securely connect the cables. If a cable is broken,
replace it.
3
4
Reference
6.SERVICE
MODE
Reference
Outputs of the
Alarm Port in
6. SERVICE
MODE
Reference
4. BLOCK DIAGRAM
4.1 OVERALL CO-
NNECTION DIAGRAM
10. SCHEMATIC
DIAGRAM
4