Pioneer DDJ-T1, Service Manual

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DDJ-T1
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5. DIAGNOSIS
5.1 POWER ON SEQUENCE
• With AC adaptor and USB connection
• With AC adaptor and w/o USB connection
• W/O AC adaptor and with USB connection (USB-bus power)
Yes
Yes
Yes
Yes
Yes
N o
N o
N o
N o
N o
Note: The TUSB3200A is started up after loading
the program from the EEROM.
Note: Start the updating
program on the PC.
N ormal mode
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)
Power O N
Clock multiplying -> 32 MHz
Port initial setting
I2C serial initial setting
Checking and setting
of the power supply
Has the
power-supply status
changed?
Power failure?
Unit stopped by power
failure (All LEDs unlit)
With USB
connection?
Canceling reset of the USB
Controller and the TUSB3200A
Opening indication
Opening indication
Checking of communication
with the TUSB3200A
Has
communication been
established?
Alarm indication of abnormal
stopping of the TUSB3200A
CRC check of the main flash
CRC error?
(FLASH N G?)
Waiting for a recovery
/updating request
Interruption initial setting
Serial communication
initial setting
Timer initial setting
A/D conversion initial setting
A
A
MIC/AUX initial setting
N eedle initial setting
Operation mode
judgment
Service mode
(Test mode)
JOG Load
Measurement mode
LED luminance setting
Display initial setting
Headphones level setting