Pioneer VSX-321-K-P Service Manual page 50

1
A
Connect as shown in the figure below.
Insert the FFC with its contact surface facing the " mark.
PC
USB cable
B
USB cable
A type <-> B type
Microcomputers update
[Procedures]
for MAIN microcomputer
1. Unplug the AC cord.
C
Connect the FFC cable. ( MAIN microcomputer )
Start up application FlashSta on the PC.
D
2. Plug the AC cord. (STANDBY mode)
For updating of the MAIN microcomputer, proceed with
the following steps in STANDBY mode.
3. Press the OK button.
E
F
50
1
2
10P
10P to 10P FFC
UPDATE jig
GGF1646
Select for COM port.
HTP-071
2
3
(HDMI/CEC 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 1.
4. Select the update file and enter ID.
1 Selection of upgrade file
1 Select the update file
Select "VSX321 Main V1xx.mot" file
to update the MCU.
2 Enter ID.
Press the OK button.
3
4
10P
Rear side
2 Enter ID.
Enter "ff" in all field.
3 Press OK button to
go to next step.
Press the OK button.
4