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7.1.2 FIRMWARE DOWNLOADING METHOD
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[Purposes]
1. When the main board is replaced, the firmware versions for the system control computer, drive, and the TUFL
microcomputer will be mismatched, and operations of the unit may be destabilized.
To match the versions for the above four, firmware downloading is necessary in the following two cases:
1 After the model setting
2 When NG is displayed on the first screen (version information, etc.) of Service mode
2. Rewriting the firmware to the latest version may improve the symptoms claimed by the customer.
There are the following two methods for downloading: disc download and serial download.
1. DISC DOWNLOAD
[Tools to be used]
Remote control unit
for servicing
(GGF1381)
[Procedure]
1 Open a disc tray by pressing the "OPEN/CLOSE" button.
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2 Put the download disc on the tray.
3 Take out the Download Disc.
4 Press " ESC " button, then press " DISP " button on the remote control unit for servicing.
5 Confirm a firmware release version.
6 Press " ESC " button on the remote control unit for servicing in order to exit the test mode.
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http://www.xiaoyu163.com
Download DISC
(CD-R/RW only)
Press and hold a " REC " and " POWER " button on the front panel.
* The disc tray closes automatically and the disc is loaded.
* The disc tray opens automatically after loading.
FL display
D S C D L
starts downloading
(Blinking)
D L - 1
D L - 2
(Blinking)
D L - 3
* After download is completed, a disc tray closes and the power turns off automatically.
* It takes for about 2 minutes until download is completed.
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http://www.xiaoyu163.com
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[Notes]
Be sure NOT to turn off the unit during downloading.
If the unit is turned off during downloading, the SYSCON,
TUFLCON and DRIVE programs may not be properly rewritten,
in which case the unit may not be able to initialize itself normally
when turned on again.
Use CD-R or CD-RW disc for download disc.
The disc will be swept out for DVD-R or DVD-RW disc.
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