Pioneer VSX-03TXH Service Manual page 72

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[Note]
Do NOT disconnect the AC power cords of this unit nor the PC.
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[Procedures]
1. Set the main volume level to "---dB" then turn off the unit
(Standby mode).
2. Connect the PC and the unit as shown in "Connections".
3. MAIN ucom:
Simultaneously press and hold the "STANDOBY/ON"
and "iPod USB" keys for about 5seconds.
The unit is turned on and "MAIN DOWNLOAD" is
displayed.
HDMI ucom:
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Simultaneously press and hold the "STANDOBY/ON"
and "FM/AM" keys for about 5seconds.
The unit is turned on and "HDMI DOWNLOAD" is
displayed.
EVENT ucom:
Simultaneously press and hold the "STANDOBY/ON"
and "VIDEO" keys for about 5seconds.
The unit is turned on and "EVENT DOWNLOAD" is
displayed.
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.
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Note: Do NOT download the firmware file for other ucom.
7. Select the communication speed.
• Basic speed: 19200
• Data transfer speed: 57600
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8. Click the "START" button.
9. "Completed" is displayed in the "UFU.exe" window.
10. Disconnect then reconnect the AC power cord of the
unit. If the unit is not reset, retry from step2.
11. Check the version.
Please refer to 6.1 TEST MODE "Version indication"
and check that the version has been changed to a new
one.
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Check that "Full" is selected in Mode Select.
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Select the communication speed.
• Base Speed: 19200
• Data Send Speed: 57600
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VSX-03TXH
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