PIONEER DVR-531H-S/KCXV
Manual de Servicio

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2. SERIAL DOWNLOAD
[Purposes]
A

1. When the main board is replaced, the firmware versions for the system control computer, drive, and the TUFL microcomputer do not match, and operations of the unit may be destabilized. In such a case, the versions for the above three must be matched. 2. This method is used when disc downloading fails. � In the serial download, the stored code are not downloaded to HDD. After serial downloading, be sure to do disc download.

[Tools to be used]
B

[Connection]
Connect as follows:

* PC with serial port * RS-232C straight cable * RS-232C I/F jig (GGF1348) * 7P FFC (VDA1681) * Download program (UFU.exe) * Firmware

PC
RS-232C cable

RS-232C I/F
7P FFC

This unit

C

[Procedures]
1 Connect the 232C I/F jigs above way. 2 Turn on the PC and start the " UFU.exe ". 3 Select the Firmware file. ("sz0" file) 4 Turn the DVD recorder on and start the download program. " Target Device is connected " is appeared on the screen.

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5 Select the Communication Speed (Baud Rate) a) Base Speed 38,400 b) Data Send Speed 115,200 6 START � Even if you click "START" button, sometimes "Communication Error" may come out one to twice, and download may fail. In this case, please click "START" again. � Other factors can be considerd if download fails 3 times or more. � And it takes about an hour for updating the firmware.

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DVR-533H-S
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