JVC DR-DX5SEK Service Manual

Also see for DR-DX5SEK: Instructions Instructions

Contents

1-42 (No.YD085)5.4.7 Booting the system using the CDThe firmware of this device is stored in the Hard Disk Drive (HDD). If the firmware is collapsed for its contents, [LOADING] is repeatedlydisplayed on the FDP display of the main unit and the system becomes inoperative. The system operation cannot be resumed evenif the AC plug is disconnected from the AC power source.In such a situation, the operation may be resumed on a temporary basis to normal using a CD that stores the firmware. This causesthe firmware in the HDD to be updated and the system may be brought to a normal operation. Refer to the following descriptions fordetail.5.4.7.1 Downloading the firmware from JS-NET to create a booting diskNOTE:For details of creating the booting disk, see the instructions provided in the JS-NET web site.(1) Download all the relevant files from the JS-NET and decompress it.(2) The file termed "bootup1.blx" will accordingly be created. Copy this file in a root directory of the CD-R.(3) Set the track setting to [MODE2 XA] for writing the software, and select [JOLIET] as an exchangeable file name. Be sure to writethe disk in [Disk at once] mode.5.4.7.2 Booting using the DiskThe following explanation is made assuming the system operation is being unable with [LOADING] repeatedly displayed.(1) Disconnect the AC plug and then connect it again. Immediately after this, press and hold the DVD ON/OFF button until the traycomes out.(2) Put the booting disk on the tray and close the tray.(3) Disconnect the AC plug. Press and hold the STOP button and connect the AC plug.(4) Keep the button pressed for 20 seconds and release the button (Timing must be precise).(5) [LOADING] will be displayed repeatedly for a while and the system will be brought to the standby state.(6) Press the OPEN/CLOSE button to remove the booting disk.(7) Turn the system on and confirm that the operation is normal. If so, the system should be properly booted from the CD-R.5.4.7.3 Updating the firmware after booting with the CDBy updating the firmware using the CD, the built-in firmware in the HDD will be overwritten, allowing the firmware to be renovated. Thesystem may be resumed to a normal state using this method. Be sure to download the latest version of the update firmware when youattempt to create and use the firmware. For the updating procedures, refer to 5.4.2.

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