VSX-AX4AVi-S
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7.1.8 HOW TO UPDATE THE FLASH ROMS FOR VARIOUS MICROCOMPUTERS
1. Turn off the power to this unit by setting the main volume
level to "---dB."
2. Connect the 232C I/F jigs and the PC, as
indicated in "Connections."
3. (HDMI microcomputer) :
Simultaneously press and hold the VSEL and
keys for
about 5 seconds.
(MAIN microcomputer) :
Simultaneously press and hold the VSEL and
keys for
about 5 seconds.
(DSP microcomputer) :
Simultaneously press and hold the VSEL and
keys for
about 5 seconds.
4. The unit is turned on, and "HDMI DOWNLOAD", "MAIN
DOWNLOAD" or "DSPM DOWNLOAD" is displayed.
5. Double-click on "ufu.exe".
6. Check that "Full" is selected in MODE SELECT.
7. Select the firm ware file with "mot" extension.
8. Select the communication speed.
• Basic speed: 19200
• Data transfer speed: 57600
9. Click on "START" button.
10. (HDMI microcomputer) :
"Completed" is displayed for about 1 minutes in
the"ufu.exe" window.
(MAIN microcomputer), (DSP microcomputer) :
"Completed" is displayed for about 3 minutes in
the"ufu.exe" window.
11. Disconnect then reconnect the AC power cord of the
unit. If the unit is not reset, retry from Step 2.
12. Check the version.
Following the procedures described in
"Version indication" in "7.1.1 TEST MODE," check
that the version has been changed to a new one.
[Procedures]
[Connections]
(HDMI microcomputer)
Connect as indicated in the figure below:
• PC with a serial port
• RS-232C cable (9-pin to 9- or 25-pin, cross)
• Program for updating (ufu.exe)
• RS-232C I/F jig (GGF1348)
• Firmware ("mot" extension)
• 7-pin FFC (VDA1681)
[Tools to be used]
[Purpose]
[Note]
Do NOT disconnect the AC power cords of this unit nor the PC.
Refer to this section when updating of a Flash ROM is required by the service information, etc.
PC
GGF1348
This unit
RS-232C
cross cable
(9-pin to 9- or 25-pin)
FFC
(VDA1681)
Check that "Full" is selected in MODE SELECT.
Select the communication speed.
• Basic speed: 19200
• Data transfer speed: 57600
HDMI, MAIN and DSP microcomputer
OUT
DIGITAL
Rear side
Slit for an HDMI
for downloading
[Connections]
(MAIN microcomputer)
(DSP microcomputer)
Connect as indicated in the figure below:
RS-232C
cross cable
(9-pin to 9- or 25-pin)
PC
This unit