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7.1.8 SETUP SEQUENCE
Tuner/FL U-comSystem Codec IC (Inital Program Loader)DVD-R/RW Drive
A
Connect power cord.
System microcomputer starts up.Drive microcomputer starts up.
Tuner/FL microcomputer starts up.
Initialization of peripheral-circuit
NGregister, RAM, etc.
Initialization of peripheral-circuit LSI Check
register, RAM, etc.
LSI NG displayed
OKon FL display
"POWER ON" displayed
on FL displayNG
FLASH CheckNo
Has command arrived?
BClock indication on FL displayOKDownloading through
RS232C required.Yes
Firmware stored in Flash memory
is developed in SD-RAM expanding"MONITOR" displayed
the compressed data.on FL displayATA/ATAPI command processing
No
Power ON ?
Jumping to developed firmware
Yes
System Codec IC (Firmware)
Power ON, cancellation of reset
Initialization of peripheral-circuit
"POWER ON" displayed register, RAM, etc.
on FL display
CStarting communication
with Tuner/FL microcomputer
Request for power off of
system-control computer made to
Tuner/FL microcomputer
Obtaining LD
temperature data from drive. No
Is temperature below System-control computer is turned off
59°C?(entering standby) following request
from Tuner/FL microcomputer
Waiting
NG
for communication to be No
establishedIs ID check of drive OK?
OK
Yes"CPRM ERR" displayed on FL display
Key-input and channel data
D
transmitted to the system-control
computer, and responding to
instructions from it,
indication displayed on FL
display and channel switching
performed
No
Is disc in?
Yes
No
Is disc valid?
Yes
E
Tray Open
No
Playback requested?
Yes
F
PlaybackStop
98DVR-220-S
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