Pioneer CDJ-850 Service Manual page 39

5
[3] Display of various information
How to Enter Service Modes
1) Version/error history
The Version Display mode is entered after the RELOOP key is held pressed for at least 10 sec.
To change screens between Version Display and Error History, press the VINYL MODE key while the Version Display
screen is displayed.
The error log screens will be changed if you press the CALL (LEFT) or CALL (RIGHT) key while the error history is
displayed.
2) Panel diagnosis/JOG load measurement (Panel microcomputer function)
To enter this mode, set the POWER switch to ON while holding the BACK and TEMPO keys pressed.
To enter JOG Load Measurement mode, set the TOUCH/RELEASE volume to the + (MAX) position during Service mode.
3) CD drive diagnosis mode
To enter CD Drive Diagnosis mode, set the POWER switch to ON while pressing the TIME and CD SELECT keys pressed.
Set the POWER switch to OFF to quit this mode.
4) Firmware Updating (USB media/program area)
To enter this mode, set the POWER switch to ON while pressing the USB SELECT and RELOOP keys pressed.
After updating is completed, set the POWER switch to OFF to quit this mode.
5) Firmware Updating (CDROM media/program area)
To enter this mode, set the POWER switch to ON while pressing the CD SELECT and RELOOP keys pressed.
After updating is completed, set the POWER switch to OFF to quit this mode.
6) Factory reset
To enter this mode, set the POWER switch to ON while holding the BACK and USB SELECT keys pressed.
For details on items to be factory-reset, see "8.2 USER SETTABLE ITEMS."
[4] The list of error display
Time display shows "E-XXXX".
Main Sub Error Type
—
E-6002
DSP PROGRAM
— Updating error
E-7024
E-7201 26 TOC READ ERROR
22
PLAYER ERROR
E-8301
91
12
PLAYER ERROR
E-8302
(Playback error)
15
E-8303 99 Buffer write error
— Decoding error
E-8304
E-8305 — Format error
—
E-8306 No music file
E-8307 — USB writing error
— COMMUNICATION ERROR
E-8709
E-9101
90 LOADING TIMEOUT
5
6
Medium
—
The program cannot be written in the DSP.
—
Updating failed.
CD TOC data cannot be read.
CD Focus servo cannot be closed.
CD The pickup cannot be returned to the inner track of the disc.
The desired address could not be searched for.
CD
The address could not be read.
CD
CD
Writing of music data in the buffer failed.
Although compressed music data files (MP3/AAC) are supported by this unit, a data or
CD
decoding (decompression) error was generated.
Although the filename extension of the music file (MP3/AAC/WAV/AIFF) is proper, the format
CD
of descriptions in the file is not supported.
Although the piece of music had once been registered in the library (database) or a playlist, etc.,
USB
that piece had been erased from the USB storage device as of time of playback.
USB
Writing to the USB storage device failed.
—
Communication between the panel CPU and the main CPU failed.
A mechanical error (timeout) was generated during loading/unloading of a disc.
CD
CDJ-850
6
7
Error Content
7
8
A
B
C
D
E
F
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