Pioneer CB-A802, Service Manual, Page: 101 / 168

DVD-V8000
101
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5 6
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7.1.9 POWER ON SEQUENCE
Flash check
Initialization of the port,
register, and devices
OK?
OK?
EEPROM
Read?
Is the
destination setting
correct?
Servo DSP
OK?
Yes
Yes
An error indication is displayed on the LCD.
If the indication is "FLASH SUM" or "FLASH ID,"
connect the dedicated cable for downloading to the
15-pin D-SUB connector and download the firmware.
Sequences after power is on
No
No
No
Read out the setting data
from the flash memory.
Is
initialization of
each device properly
done?
Is
the communication
with the sub-microcomputer
established?
Yes
Read out the setting data from the
EEPROM on the AJKB Assy.
• Destination
• CPRM ID/KEY
• Serial number
• Accumulated power-on time and
playback time, etc.
"SDSP RWER" is displayed on the LCD.
Do not proceed to the next step.
Replace the DVDM Assy.
Power ON
Initialization of the settings
No
Yes
An error indication is
displayed on the LCD.
No
No
Yes
Yes
An error indication is
displayed on the LCD.
Acquiring data from
the real-time clock
: "EEPROM READ NG"
: See "7.1.3 Self-diagnosis Function."
: If the communication with the sub-microcomputer is not established,
a reset signal is issued from the sub-microcomputer every 5 seconds.
: LCD "NO AREA"
: OSD "No Area Information"
Setting of the destination is required.
No
Yes
An error indication is displayed
on the screen and the LCD.
A