Pioneer DVR-543H-S Service Manual page 76

1
2. SERIAL DOWNLOAD
QQ
3 7 63 1515 0
[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.
[Tools to be used]
* PC with serial port
B
* RS-232C straight cable
* RS-232C I/F jig (GGF1348)
* 7P FFC (VDA1681)
* Download program (UFU.exe)
* Firmware
[Procedures]
C
1 Connect the 232C I/F jigs above way.
2 Turn on the PC and start the " UFU.exe ".
TE
L 13942296513
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.
D
5 Select the Communication Speed (Baud Rate)
a) Base Speed
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.
E
• And it takes about 20 minutes for updating the
firmware.
* TUNERCON program is not downloaded this way, so
do disc-download for TUNERCON.
www
F
76
1
http://www.xiaoyu163.com
2
115,200
x ao
y
. i
DVR-640H-S
2
http://www.xiaoyu163.com
3
8
[Connection]
Connect as follows:
PC RS-232C I/F
RS-232C cable
Q Q
3 6 7 1 3
5
4
6
u163
.
3
4
2 9 9 4 2 8
This unit
7P FFC
1 5 0 5 8 2 9 9 4
m
co
4
9 9
2 8 9 9