JVC DR-M150SEK Service Manual page 15

5.3 Updating the firmware of the main body or digital video broadcasting tuner
• Firmware update disk supports CD-R media.
• When firmware update is necessary. information is available from the homepage of DIGITAL VIDEO STORAGE CATEGORY, CS
group.
• Please check the details of the update disc creation method by JS-NET.
(1) Set the main body to JIG mode.
(2) Transmit "43-70" to the main body by using JIG remote control unit.
(3) "UPDATE" appears in FL indicator. Load disk for update on the tray, and close the tray.
(4) Update processing is started automatically.
(5) Then, "FW UPDATE" appears in FL indicator. It takes approx. 3 minutes at maximum to update firmware.
(6) The tray is ejected. Then, take out the disk and close the tray.
(7) Turn the main body OFF, and pull out the power cord from the wall socket. Then, plug the power cord into the wall socket.
(8) "PLEASE" and "WAIT" blink alternately and it is displayed in FL indicator. Then, turn the main body ON.
(9) Display the SYSTEM INFO menu, and check the version of the firmware.
(10) Cancel JIG mode.
ATTENTION :
Firmware may sometimes not be update successfully.
If firmware is not update successfully, the tray opens, and "ERROR" appears in FL indicator.
If firmware is update successfully, the tray opens, and "OPEN" appears in FL indicator.
If the power cord is pulled out from the wall socket while "ERROR" appears, data in the flash memory is destroyed and the main
body cannot start: the flash memory needs to be replaced.
After update procedure, pay enough attention to FL indicator when the tray opens.
When "ERROR" appears, update firmware again in the following way to restore the firmware.
(1) Transmit "43-70" to the main body by using JIG remote control unit while the tray opens.
(2) When "UPDATE" appears in FL indicator, close the tray and make the main body read the disk. Update starts.
(3) The following procedures are the same as a usual update.
5.4 Updating the firmware of the drive unit
• Firmware update disc supports only DVD-RAM media.
• When firmware update is necessary, written discs are distributed by DIGITAL VIDEO STORAGE CATEGORY, CS group.
(1) Turn the main body ON.
(2) Load the update DVD-RAM disc on the tray and close the tray.
(3) "READING" is displayed in the FL indicator and the update is started.
(4) In a short while "READING" in the FL indicator disappears, open the tray to remove the disc and close the tray.
(5) Turn the power OFF and pull out the power code from the wall socket, then plug the power cord into the wall socket again.
(6) Set to the JIG mode and check the firmware version of the drive.
5.5 Setting after the drive unit replacement
When the drive unit is replaced, it is necessary to set a region code. Service drive units for replacement are not set for any region
code, and they are in an indefinite condition.
Make sure to set region code after attaching the drive unit to the main body.
Without the setting of the region code, discs that have regions cannot be played back.
(1) Replace a drive unit.
(2) Turn POWER switch of the unit ON.
(3) Set the main body to JIG mode.
(4) Insert a DVD-RAM disc in the unit to make the unit read the DVD-RAM disc.(The DVD-RAM disk used in this procedure is not a
disk for upgrade. If it is a DVD-RAM disk, it is good anything.)
(5) Send "43-F2" to the unit by using JIG remote control unit.
(6) "2 REGION" is displayed on FL display.
(7) Set the unit to STANDBY.
(8) Turn the POWER switch ON.
(9) To cancel JIG MODE, send "43-9D" to the unit by using JIG remote control unit.
(10) Colon is displayed on a clock on FL display.
(11) Setting is completed in the procedure above.
(No.YD073)1-15