14
DDJ-ERGO-V
1
2
3
4
A
B
C
D
E
F
1
2
3
4
5. DIAGNOSIS
5.1 POWER ON SEQUENCE
Y
N
N
ote: The TUSB3200A is started up after
loading the program from the EEPROM.
Y
N
Y
N
N
Y
Y
N
N
ote: Start the updating program on the PC.
Power O
N
Operation clock setting: 32 MHz
Port initial setting
I2C serial initial setting
Peripheral device power: O
N
Power failure?
Unit stopped by power failure
Power failure indication by LEDs
Canceling reset of the USB
Controller (TUSB3200A)
Starting opening indication
Checking communication
with the USB controller
Has communication
been established?
Abnormal stopping of the TUSB3200A
LED indication for USB controller error
CRC check of the main flash
CRC error?
(FLASH
N
G?)
W
aiting until power supply
stabilizes then performing
power-failure detection
Finishing opening indication
Unit stopped by power failure
Power failure indication by LEDs
Power voltage
< 4.2
V
?
Resetting the USB Controller
(TUSB3200A)
W
aiting for a recovery/updating request
LED indication for flash ROM error
Power failure?
A
