Each Setting And Adjustment; How To Update Firmware - Pioneer VSX-820-K Service Manual

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8. EACH SETTING AND ADJUSTMENT

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8.1 HOW TO UPDATE FIRMWARE

[1] MAIN, SUB, USB and DSP microcomputers
[Purpose]
Refer to this section when updating the firmware of each microcomputer is required by the service information, etc.
[Necessary Tools]
• PC with a serial port
• RS-232C cable (9-pin to 9-pin, straight cable)
• RS-232C UPDATE jig : GGF1642
• 10P to 8P FFC : GGD1676
[Connections]
Connect as shown in the figure below.
Insert the FFC with its contact surface
facing the " mark.
PC
1) MAIN and SUB microcomputers
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L 13942296513
[Procedures]
1 Start up the application on the PC before plugging in the
power cord of the main unit.
1
2 Plug the AC cord.
For updating of the Main microcomputer, proceed with
the following steps in STANDBY mode.
In a case of the SUB microcomputer, turn the main unit on.
3 Press the OK button.
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(Do not use FFC of GGF1642. Remove it and
insert GGD1676 on 10 pin connector of board.)
UPDATE jig
RS-232C
Straight cable
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• Firmware ("mot" extension)
• Firmware for updating USB (VSX_USB.rom)(VSX-820-K ONLY)
10P to 8P FFC
GGD1676
GGF1642
(SUB microcomputer)
10P
(MAIN microcomputer)
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3 6 7 1 3
4 Select the update file and enter ID.
1 Select the update file.
1 Select the update file.
Select "***.mot" file to update the MCU.
2 Enter ID.
3 Press OK button.
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VSX-820-K
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2 9 9 4 2 8
Rear side (VSX-820-K)
8P
8P
1 5 0 5 8 2 9 9 4
2 Enter ID.
Enter "ff" in all field.
3 Press OK button to go to
next step.
Press the OK button.
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9 9
A
B
C
2 8 9 9
D
E
F
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