Pioneer SX-LX70SW Service Manual page 63

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[Note]
Do NOT disconnect the AC power cords of this unit and the PC during a downloading.
[Procedures]
1. Set the main volume level to "0" then turn off the
unit (Standby mode).
2. Connect the PC and the unit as shown in "Connections".
3. Keep pressing the "VOL +" and "POWER" keys on the
display (for 2 seconds) till the AC power is turned on.
When the power is turned on, the download menu
appears.
Using the VOL+/- on the display unit, select the
microcomputer to be downloaded, and press the
INPUT SELECT button on the display unit.
→ "DownLoading" is displayed and the POWER LED
(blue) flashes.
Display unit :
VOLUME +/-
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* DSP1 cannot be updated by the above procedure
(RS232C). Do not select it.
4. Double-click the "UFU.exe".
5. Check that "Full" is selected in Mode Select.
6. Select the firmware file (.mot file) for updating each ucom.
Note: Do NOT download the firmware file for other ucom.
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7. Select the communication speed.
• Basic speed: 19200
• Data transfer speed: 57600
8. Click the "START" button.
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9. "Completed" is displayed on the "UFU.exe" window about
5 minute later.
10. Disconnect the AC power cord of the unit.
After downloading is completed on UFU, disconnect
the AC plug. (Wait for several seconds after the AC
plug is disconnected.)
When a plurality of microcomputers need to be
burned, repeat the above steps (1) to (7).
11. After updating of all microcomputers is completed,
execute Memory Clear.
Turn on the main unit. Then, press the POWER button
while pressing the INPUT SELECT to set the unit in
the standby state.
12. Check the version.
Please refer to "Indication of version" (P49) and check
that the version has been changed to a new one.
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