XV-DVR9H
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7.1.10 SETUP SEQUENCE
PT microcomputer
Tuner/FL microcomputer
System microcomputer (Initial Program Loader)
System microcomputer (Firmware)
DVD-R/RW Drive
PT microcomputer starts up.
Release the reset of
PT microcomputer.
Is ID check of drive OK?
Waiting for
communication to be
established.
Communication
failed in succession
for five sec.
No
Yes
Yes
Yes
Power ON ?
No
Power ON ?
No
Yes
LSI check ?
Has
command
arrived ?
No
Yes
Yes
Flash check ?
No
No
Stop
Tray Open
Yes
No
"CPRM ERR" displayed on FL display
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
Obtaining LD
temperature data from drive.
Is temperature below
59
°
C?
No
Yes
Repair process
Playback
Is disc in?
Is starting/ID check of
HDD OK?
No
Yes
Is disc valid?
Yes
Repair required?
Yes
Yes
No
No
No
No
Playback
requested?
Yes
"HDD ERR" displayed on FL display
∗
1: If both the drive ID check and
starting/ID check of HDD failed,
"CPRM ERR" is first displayed
on FL display.
Tuner/FL microcomputer starts up.
Connect the power cord.
System microcomputer starts up.
Downloading through
RS232C required.
"MONITOR" displayed
on the FL display.
Jumping to developed
firmware.
Initialization of the peripheral
circuit register and RAM, etc.
"POWER ON" displayed
on the FL display.
"POWER ON" displayed
on the FL display.
Key input and channel data
transmitted to the system
controller.
And make displayed data (for
PT controller transmission) by
instructions from the system
controller, and switch a
channel.
Various information displayed
on the FL display.
Clock displayed
on the FL display.
"LSI NG" displayed
on the FL display.
Drive microcomputer
starts up.
ATA/ATAPI
command processing
Firmware stored in Flash memory
is developed in SD-RAM
expanding the compressed data.
Initialization of the peripheral
circuit register and RAM, etc.
Waiting for
communication to be
established.
Yes
No
Initialization of the
peripheral circuit
register and RAM, etc.
Initialization of the peripheral
circuit register and RAM, etc.
Release the reset of
PT microcomputer.
Power ON/Release the reset
FL display data
transmission start.
Wait for 200 ms
Power ON key information
Communication start with the
Tuner/FL microcomputer.
Communication start with the
Tuner/FL microcomputer.
∗
1
∗
1
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