How To Update The Flash Roms For Various Microcomputers - Pioneer SC-LX90 Service Manual

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8.3 HOW TO UPDATE THE FLASH ROMS FOR VARIOUS MICROCOMPUTERS

A
MAIN, EVENT, DISPLAY, NEW ITEM, DSP and HDMI microcomputers
[Purpose]
Refer to this section when updating of a Flash ROM is required by the service information, etc.
[Tools to be used]
• PC with a serial port
• RS-232C cable (9-pin to 9-pin, cross)
[Connections]
(MAIN microcomputer)
(EVENT microcomputer)
B
(DISPLAY microcomputer)
(NEW ITEM microcomputer)
Connect as indicated in the figure right:
[Note]
Do NOT disconnect the AC power cords of this unit nor the PC.
C
[Procedures]
1. Turn off the power to this unit by setting the main volume
level to "---dB" and Multi-Zone to "OFF".
2. Connect the 232C interlink cable and the PC, as indicated
in "Connections".
3. Simultaneously press and hold the ENTER and ZONE 2
keys for about 5 seconds.
4. Turn the power ON at SERVICE mode.
5. (MAIN microcomputer)
j
Press key and select "MAIN DOWNLOAD [START?]" display.
Press ENTER key and set to "MAIN DOWNLOAD [GO ON]".
D
(EVENT microcomputer)
j
Press key and select "EVNT DOWNLOAD [START?]" display.
Press ENTER key and set to "EVNT DOWNLOAD [GO ON]".
(DISPLAY microcomputer)
j
Press key and select "DISP DOWNLOAD [START?]" display.
Press ENTER key and set to "DISP DOWNLOAD [GO ON]".
(NEW ITEM microcomputer)
j
Press key and select "ITEM DOWNLOAD [START?]" display.
Press ENTER key and set to "ITEM DOWNLOAD [GO ON]".
(DSP microcomputer)
E
j
Press key and select "DSPM DOWNLOAD [START?]" display.
Press ENTER key and set to "DSPM DOWNLOAD [GO ON]".
(HDMI microcomputer)
j
Press key and select "HDMI DOWNLOAD [START?]" display.
Press ENTER key and set to "HDMI DOWNLOAD [GO ON]".
6. Double-click on "ufu.exe".
7. Check that "Full" is selected in Mode Select.
8. Select the firmware file with "mot" extension.
9. Select the communication speed.
• Base speed: 19200
• Data Send Speed: 57600
10. Click on "START" button.
F
11. "Completed" is displayed in the"ufu.exe" window.
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2
• Firmware ("mot" extension)
• Program for updating (ufu.exe: ver. 1.08)
(DSP microcomputer)
(HDMI microcomputer)
Pin-out diagram of
RS-232C cross cable
12. Check the version.
Following the procedures described in
"VERSION screen" in "6.1 SERVICE MODE," check
that the version has been changed to a new one.
13. Initialize the memory in the ALL RESET of CONTROL
PANEL mode after the updating is completed.
(Refer to the section "6.3 CONTROL PANEL MODE.")
Check that "Full" is selected in Mode Select.
SC-09TX
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3
PC
RS-232C
cross cable
(9-pin to 9-pin)
Select the communication speed.
• Base Speed: 19200
• Data Send Speed: 57600
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4
This unit
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