Pioneer VSX-523-K Service Manual page 40

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A
5. Set speed update and update the MCU.
B
2 Update the MCU.
E.P.R=>Erase+Program+Read
2 Update the MCU
Press the E.P.R ... button
Press OK button.
C
6. Update Finished MAIN microcomputer.
D
Press the OK button.
E
If the following messages are displayed, shut the update
program down, and start the update again from step 1.
Push the JIG's RESET button during
1 sec.
Press the OK button.
Select the 9600 of the Board rate then
press the OK button
F
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1 Set speed of update.
1 Set speed of update.
Set Baud rate to 38400.
Press the OK button.
Press the Exit button.
Please wait for until this window
disappears.
VSX-523-K
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7. Unplug the AC cord.
Disconnect the FFC cable.
for HDMI & CEC (SUB) microcomputer
1. Unplug the AC cord.
Start up the application EPFlash on the PC.
When the PC and the Upgrade Jig is connecting,
the COM PORT is set automatically.
2. Select "HDMI UP" on the Upgrade Jig.
Connect the PC and the Upgrade Jig.
Connect the FFC cable. (HDMI microcomputer )
3. Holding down the tact switch (RESET) of the Upgrade
Jig in AC OFF state. Release the tact switch after AC
ON, power ON (2-3 seconds later).
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4
BaurdRate: 57600
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