Service manual

CD-DV999W/CD-DV777W
2 – 7
3.4. ROM Rewrite Mode
1. Creating version upgrade disc
• Write the following three files on CD-R/CD-RW.
• !$#%&’().@{}
• D-combo3.cdr
• ********.bin
(********: Names differ according to versions)
• Write the files at lowest possible speed.
• Do not mix other data.
2. During normal power-on, insert the version upgrade disc.
3. After the version upgrade disc is normally determined, the mes-
sage, “VERSION UP DISC IS DETECTED” and the version are dis-
played on OSD. Then ROM data read is started.
OSD display (Example)
4. When the data read is completed, “NOW FLASH WRITE START…”
is displayed on OSD. Then the Flash Rom rewrite is entered.
OSD display (Example)
5. When rewrite is normally completed, “FL W: END” is displayed on
the main unit. Eject the disc automatically coming out from the tray.
Then turn the power off.
6. If “FL W: ERR” or “CANT READ” is displayed on the main unit or
“FL W: END” is not displayed after 10 minutes, turn the power off to
try again from the start.
7. Confirming the version
• A few moments after entering the DVD TEST Mode, “DVD ****”
is displayed on the main unit.
(****: 4-digit numeric version code)
• To confirm the detailed version information, press the “1” key of
the remote control.
The system information is displayed on the OSD display.
(“********”: Version name) Check that the version name con-
forms to the write data.
8. Press the POWER button to display “CLEARAL”
• Reset and start the system microcomputer to control the TEST
MODE.
VERSION UP DISC
ROM DATA READING
0905
956
IS DETECTED
VERSION UP DISC
READ COMPLETE
0905
NOW FLASH WRITE START...
IS DETECTED
Description of version name
Example: VER: VXW0223A
From the left:
V : Video model
X : CD-DV***W
W : Southeast Asia
0223A:Version
* The format may be changed.
ex)VXW0223A
2 Destination
1 Model
V: Video model/A: Audio/Model for SACD
X : CD-DV***W
1 Model
J : Japan
H : Europe
U : USA
K : Korea/Philippines
W : Southeast Asia
A : Australia
Z : Middle East
C : China
M : Mexico
2 Destination