Pioneer VSX-5231 Service Manual page 41

Connect as shown in the figure below.
Insert the FFC with its contact surface facing the " mark.
PC
USB cable
A type <-> B type
Microcomputers update
[Procedures]
for MAIN microcomputer
1. Unplug the AC cord.
Connect the FFC cable. ( MAIN microcomputer )
Start up application FlashSta on the PC.
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.
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5
USB cable
10P
UPDATE jig
GGF1646
Select for COM port.
5
manuals search engine
6
(HDMI/CEC microcomputer)
10P to 10P FFC
[ 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 "VSX523 Main V1xx.mot" file
to update the MCU.
2 Enter ID.
Press the OK button.
VSX-523-K
6
7
10P
Rear side
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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8
A
B
C
D
E
F
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