Service Mode; Outline Of The Service Mode; About The Device Of Cdj-900 - Pioneer CDJ-900 Service Manual

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6. SERVICE MODE

6.1 OUTLINE OF THE 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 Output of the alarm port
Explanation of the meaning of output of status terminal on a MAIN Assy.
7 Firmware update.
Explanation of the method of firmware update.

6.2 ABOUT THE DEVICE OF CDJ-900

Device Name
MAIN CPU Main control
FLASH Memory for MAIN CPU (Firmware)
SDRAM Memory for MAIN CPU (Work)
DSP Audio DSP
SDRAM Memory for DSP (Work)
USB_B CONTROLLER CONTROLLER for USB-B (function)
ETHER PHY PHY for LINK
GUI CPU LED, DATA_FL, & BROWSE_FL control
PANEL CPU Button input, LED & JOG_FL control
SODC Disc drive control
FLASH Memory for DRIVE CONTROLLER
Two or more FLASH and SDRAM are mounted in the main body.
Please diagnose it after confiming whether it is a device that agrees with purpose again.
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Function
R5S77641N300BG
DYW1775
K4S561632J-UC75
D710E001BZDHA275
K4S561632J-UC75
M66291GP
RTL8201CP-LF
R5F363AENFA-U0
M3030RFCPFP
MN103S71F
DYW1776
CDJ-900
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Part No. Ref No.
IC101
IC114
IC108, IC109
IC501
IC505
IC1101
IC1304
IC4002
IC8005
IC7008
IC7006
7
8
A
B
C
D
Assy
MAIN Assy
MAIN Assy
MAIN Assy
MAIN Assy
MAIN Assy
MAIN Assy
MAIN Assy
BFLB Assy
E
DFLB Assy
SRV Assy
SRV Assy
F
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