Pioneer VSX-521-K, Service Manual

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VSX- 8 21-K
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A
B
C
D
E
F
1 2 3 4
4. Select the update file and enter ID. 6. Update Finished MAI N microcomputer.
7. Unplug the AC cord.
Disconnect the FFC cable.
Connect the FFC cable. ( SUB microcomputer )
Plug the AC cord. (STA
N DBY mode)
Turn the main unit on.
For updating of the SUB microcomputer, proceed with
the following steps in POWER O
N mode.
Push the (reset) button on the JIG's Board.
Start up application on the PC.
5. Set speed update and update the MCU.
1
Selection of upgrade file
1
Select the update file
2
Enter ID.
Select " V SX821 Main V 0xx.mot" file
to update the MCU.
2
Enter ID.
Enter "ff" in all field.
Press the OK button.
Press the OK button.
Press the OK button.
Press the OK button.
(Default Baud rate is 9600)
Set Baud rate to 38400.
Press the OK button.
Press the OK button. Press the Exit button.
Please wait for until this window
disappears.
3
Press OK button to
go to next step.
2
Update the MCU.
E.P.R=>Erase+Read
2
Update the MCU
Press the E.P.R … button
1
Set speed of update.
1
Set speed of update.
Press OK button.
for SUB microcomputer
[ if the following messages are displayed ]
Please push the cancel button and press the JIG's
RESET button.
And confirm a connection of FFC.
Please return to procedure 7.