Setup Sequence - Pioneer DVR-543H-S Service Manual

5

7.1.10 SETUP SEQUENCE

QQ
Tuner/FL microcomputer
3 7 63 1515 0
Connect the power cord.
Tuner/FL microcomputer starts up.
Initialization of the peripheral
circuit register and RAM, etc.
Clock displayed
on the FL display.
Power ON ?
Power ON/Release the reset
"POWER ON" displayed
on the FL display.
Waiting for
TE
communication to be
L 13942296513
No
established.
Key input and channel data
transmitted to the system
controller.
And make displayed data by
instructions from the system
controller, and switch a
channel.
www
.
5
http://www.xiaoyu163.com
No
Yes
Yes
x ao
y
i
http://www.xiaoyu163.com
6
System Codec IC (Initial Program Loader)
8
System microcomputer starts up.
Yes
NG
FLASH check ?
Downloading through
OK
RS232C required.
FLASH check is NG
"POWER ON" displayed
for over 1 minutes
on the FL display.
Firmware stored in Flash memory
is developed in SD-RAM
expanding the compressed data.
Jumping to developed
firmware.
System Codec IC (Firmware)
Initialization of the peripheral
circuit register and RAM, etc.
Communication start with the
Tuner/FL microcomputer.
Obtaining LD
No
Q Q
temperature data from drive.
3 6 7 1 3
Is temperature below
59°C?
Yes
No
Is ID check of drive OK?
Yes
No
Is starting/ID check of
HDD OK?
Yes
No
Is disc in?
Yes
No
Is disc valid?
Yes
No
Repair required?
Yes
Repair process
No
Playback
requested?
u163
Yes
Playback .
DVR-640H-S
6
7
DVD-R/RW Drive
2 9 9 4 2 8
Drive microcomputer
Initialization of the
peripheral circuit
register and RAM, etc.
when
No
command processing
Request for power off of
system-control computer made to
Tuner/FL microcomputer
1 5 0 5 8 2 9 9 4
System-control computer is turned off
(entering standby) following request
from Tuner/FL microcomputer
"CPRM ERR" displayed on FL display
"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.
Tray Open
m
co
Stop
7
8
9 9
A
starts up.
Has
command
arrived ?
Yes
ATA/ATAPI
B
C
2 8 9 9
∗1
D
∗1
E
F
103
8