B 5. Diagnosis; Power On Sequence - Pioneer DDJ-T1 Service Manual
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Also See for DDJ-T1:
- Operating instructions manual (96 pages) ,
- Operating instruction (92 pages) ,
- Service manual (20 pages)
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1
5. DIAGNOSIS
5.1 POWER ON SEQUENCE
A
Clock multiplying -> 32 MHz
B
Yes
No
Canceling reset of the USB
C
Controller and the TUSB3200A
Opening indication
Checking of communication
CRC check of the main flash
D
E
F
22
1
2
Power ON
Port initial setting
I2C serial initial setting
• With AC adaptor and USB connection
Checking and setting
• With AC adaptor and w/o USB connection
of the power supply
• W/O AC adaptor and with USB connection (USB-bus power)
Has the
power-supply status
changed?
No
Yes
Power failure?
Unit stopped by power
No
failure (All LEDs unlit)
With USB
connection?
Yes
Note: The TUSB3200A is started up after loading
Opening indication
with the TUSB3200A
Has
No
communication been
established?
Alarm indication of abnormal
Yes
stopping of the TUSB3200A
CRC error?
Yes
(FLASH NG?)
Waiting for a recovery
No
/updating request
Note: Start the updating
Interruption initial setting
Serial communication
initial setting
Timer initial setting
A
2
3
the program from the EEROM.
A/D conversion initial setting
MIC/AUX initial setting
program on the PC.
Normal mode
LED luminance setting
Headphones level setting
To normal main loop processing
• Power monitoring/switching
• MIC/AUX switching
• Detection of change in operating elements
• USB transmission (transmission of operating element data)
• USB reception (reception and indication of display data)
DDJ-T1
3
4
A
Needle initial setting
Service mode
Operation mode
(Test mode)
judgment
JOG Load
Measurement mode
Display initial setting
4
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