DVR-310-S
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7.1.6 SETUP SEQUENCE
DVD-R/RW Drive
Tuner/FL U-com
System Codec IC (Inital Program Loader)
System Codec IC (Firmware)
Connect power cord.
Tuner/FL microcomputer starts up.
System microcomputer starts up.
Initialization of peripheral-circuit
register, RAM, etc.
Initialization of peripheral-circuit
register, RAM, etc.
Starting communication
with Tuner/FL microcomputer
Request for power off of
system-control computer made to
Tuner/FL microcomputer
System-control computer is turned off
(entering standby) following request
from Tuner/FL microcomputer
Repair process
Playback
Clock indication on FL display
Power ON ?
Waiting
for communication to be
established
Is ID check of drive OK?
Is disc in?
Obtaining LD
temperature data from drive.
Is temperature below
62
°
C?
LSI Check
No
No
Yes
Yes
Power ON, cancellation of reset
OK
NG
NG
NG
Has command arrived?
Yes
No
FLASH Check
OK
OK
"POWER ON" displayed
on FL display
Key-input and channel data
transmitted to the system-control
computer, and responding to
instructions from it,
indication displayed on FL
display and channel switching
performed
Firmware stored in Flash memory
is developed in SD-RAM.
Yes
Is disc valid?
Yes
Repair required?
Yes
Yes
No
No
No
No
Playback requested?
Yes
Stop
Tray Open
Jumping to developed firmware
Downloading through
RS232C required.
"MONITOR" displayed
on FL display
LSI NG displayed
on FL display
Drive microcomputer starts up.
ATA/ATAPI command processing
Initialization of peripheral-circuit
register, RAM, etc.
No
"CPRM ERR" displayed on FL display
