Firmware Update Method - Pioneer XW-NAC3-K Service Manual

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8.2 FIRMWARE UPDATE METHOD

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[Items to be Used]
• PC with an RS-232C port
• RS-232C straight cable (9-pin female <-> 25-pin male)
• RS-232C interface jig (GGF1348)
• 7-pin FFC (VDA1681)
[Connections]
Make connections as shown in the figure below, with the AC power cord unplugged.
Note: Be careful NOT to mistake the connectors, because the connectors to be used differ depending on the microcomputer
to be updated.
B
For updating of the System Ucom, use the upper connector (terminal surface of the FFC: upper).
For updating of the Sub Ucom, use the lower connector (terminal surface of the FFC: lower).
Upper connector: For System Ucom
(terminal surface of the FFC: upper)
Lower connector: For Sub Ucom
(terminal surface of the FFC: lower)
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L 13942296513
[Procedures]
1 Make connections, as shown in [Connections], with the AC power cord unplugged.
2 Turn the unit ON. While holding down the "VOLUME +" key on the top panel, press and hold the "STANDBY/ON" key
D
for at least 3 sec. The unit enters Firmware Update mode.
3 Select either the System Ucom or Sub Ucom, using the "VOLUME +" or "VOLUME –" key.
• In System Ucom Update mode
S o f t u p d a t e
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4 After selecting either the System Ucom or Sub Ucom, press the "INPUT SELECTOR" key.
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Updating is enabled. It is displayed with "Download" on the LCD display.
Note: While updating is in progress, the latest LCD display will be retained, as the System Ucom stops operating.
S o f t u p d a t e
S y s D o w n l o a d
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http://www.xiaoyu163.com
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RS-232C
straight cable
PC Interface jig
(GGF1348)
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XW-NAC3-K
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http://www.xiaoyu163.com
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• Updater program (ufu.exe: ver. 1.08)
• Firmware file (*.mot)
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7P FFC
(VDA1681)
• In Sub Ucom Update mode
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