Start Up Sequence - Pioneer DVR-210-S Manual

Tuner/FL U-com
Connect power cord.
Tuner/FL microcomputer starts up.
Initialization of peripheral-circuit
register, RAM, etc.
Clock indication on FL display
Power ON ?
Yes
Power ON, cancellation of reset
"POWER ON" displayed
on FL display
Waiting
NG
for communication to be
established
OK
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
43.

Start Up Sequence

System Codec IC (Inital Program Loader)
System microcomputer starts up.
LSI Check
OK
FLASH Check
OK
No
Firmware stored in Flash memory
is developed in SD-RAM.
Jumping to developed firmware
System Codec IC (Firmware)
Initialization of peripheral-circuit
register, RAM, etc.
Starting communication
with Tuner/FL microcomputer
Obtaining LD
temperature data from drive.
Is temperature below
62°C?
Yes
Is ID check of drive OK?
Yes
Is disc in?
Yes
Is disc valid?
Yes
Repair required?
Yes
Repair process
Playback requested?
Yes
Playback
DVD-R/RW Drive
NG
LSI NG displayed
on FL display
NG
Downloading through
RS232C required.
"MONITOR" displayed
on FL display
Request for power off from
system-control computer to
Tuner/FL microcomputer
No
System-control computer is turned off
(entering standby) following request
from Tuner/FL microcomputer
No
"CPRM ERR" displayed on FL display
No
No
No
Tray Open
No
Stop
Drive microcomputer starts up.
Initialization of peripheral-circuit
register, RAM, etc.
No
Has command arrived?
Yes
ATA/ATAPI command processing