Service Mode; About The Device Of Cdj-850 - Pioneer CDJ-850 Service Manual

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6. SERVICE MODE

6.1 SERVICE MODE
The following service modes are prepared for this unit.
1 Confirmation of the button input and an indication function.
It is the mode which checks each input and display function of a button, a JOG dial, the slider volume, and a encoder.
2 Check mode of the load of JOG dial.
It is the mode which measures the load when rotating JOG dial.
3 Indication of various information
It is a mode displaying information such as a version and an error history, a device normal / abnormality judgment.
4 Error display list
An error code and the contents are shown.
5 Confirmation of movement of the drive unit
It is the mode which checks operation of a mechanism and servo of drive unit.
6 Updating firmware
Mode for firmware updating. Two modes (one for updating using a USB memory device and one for updating using
a CD-ROM) are provided.
Refer to the "8.3 UPDATING OF THE FIRMWARE."

6.2 ABOUT THE DEVICE OF CDJ-850

Device Name
MAIN CPU System control
FLASH Memory for MAIN CPU (Firmware)
SDRAM Memory for MAIN CPU (Work)
AUDIO DSP Audio DSP
SERVO DSP Servo DSP
SERVO DRIVER Disc drive control
PANEL CPU Button input, LED & FL control
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Function
R5S72630P200FP
DYW1796
K4S561632J-UC75
DSPC56371AF180
TC94A15FG
BD7956FS
PEG799A8
CDJ-850
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Part No. Ref No.
IC103
IC101
IC102
IC301
IC201
IC204
IC1007
7
8
A
B
C
D
Assy
MAIN Assy
MAIN Assy
MAIN Assy
E
MAIN Assy
MAIN Assy
MAIN Assy
DFLB Assy
F
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