Marantz DV4001, Service Manual

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8
5. UPDATE BACK END FIRMWARE PROCEDURE
Necessary Equipment
• Update data (DV4001.BIN) or Disc (90M-DV4001CDR).
NOTICE : Refer to " 6. THE UPDATE DISC CREATION PROCEDURE ", when you make update disc from update data.
Writing Procedure
The writing of firmware takes about 1 minute 30 seconds.
1. Connect the video cable to the unit and TV (or Monitor).
2. Connect the mains cord into the unit.
3. Turn on the unit and TV.
4. Press the OPEN/CLOSE button to open the tray.
5. Insert the Update Disc.
6. Press the OPEN/CLOSE button to close the tray.
7. "LOAD" is displayed on the front display. ("LOADING" is displayed on the TV.)
8. "UPGRADE FILE DETECTED" and "FILE COPING" are displayed on the TV. And next, the display on TV changes from
"FILE COPING" and displays "UPGRADING".
9. Then the tray opens automatically. And remove the Update disc from the tray.
10. Firmware is written into the flash ROM.
11. FL display change from "ERASE" and displays "WRITE".
12. After that "UPG END" is displayed several seconds, and finished write-in.
13. The unit is reset automatically.
14. And the tray closes automatically.
15. Press the POWER ON/STANDBY button to turn off the unit.
16. Disconnect the mains cord and video cable from the unit.
Firmware Version Check
To check the versions of the firmware, see " Firmware (Back-end) version check " in " 8. SERVICE MODE " section.
6. THE UPDATE DISC CREATION PROCEDURE
Necessary Equipment
• Update data (DV4001.BIN).
• CD-R or CD-RW.
• CD-R writing software.
Setting of writing software
• File name : DV4001.BIN
• CD LABEL NAME : any one
• CD MODE : MODE 1 (CLOSE SESSION)
• FILE FORMAT : ISO9660
• WRITE MODE : DISC AT ONCE