Pioneer DVR-233-S Service Manual - Page 48

FIRMWARE DOWNLOADING METHOD, DISC DOWNLOAD, Procedure], Notes], Purposes], Tools to be used]

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1 2 3 4 7.1.2 FIRMWARE DOWNLOADING METHOD [Purposes] 1. When the main board is replaced, the firmware versions for the system control computer, drive, and the TUFL A 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. B 1. DISC DOWNLOAD [Tools to be used] Remote control unit C for servicing (GGF1381) Download DISC (CD-R/RW only) [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. [Procedure] 1 Open a disc tray by pressing the "OPEN/CLOSE" button. 2 Put the download disc on the tray. 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. 3 Take out the Download Disc. FL display D D S C D L starts downloading DL - 1 (Blinking) DL - 2 (Blinking) DL - 3 E * After download is completed, a disc tray closes and the power turns off automatically. * It takes for about 2 minutes until download is completed. 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. F 48 DVR-231-S 1 2 3 4

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DVR-231-S
48
1
2
3
4
1
2
3
4
C
D
F
A
B
E
7.1.2
FIRMWARE DOWNLOADING METHOD
1
Open a disc tray by pressing the "OPEN/CLOSE" button.
2
Put the download disc on the tray.
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.
3
Take out the Download Disc.
FL display
starts downloading
(Blinking)
(Blinking)
1. DISC DOWNLOAD
[Procedure]
[Notes]
Remote control unit
for servicing
(GGF1381)
Download DISC
(CD-R/RW only)
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.
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.
[Purposes]
[Tools to be used]
* After download is completed, a disc tray closes and the power turns off automatically.
* It takes for about 2 minutes until download is completed.
D
S
C
D
L
D
L
-
1
D
L
-
2
D
L
-
3
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.