How To Update The Various Microcomputers - Pioneer VSX-84TXSi Service Manual

1

5. HOW TO UPDATE THE VARIOUS MICROCOMPUTERS

QQ
3 7 63 1515 0
HDMI, MAIN and DSP microcomputer
A
[Purpose]
Refer to this section when updating of a Flash ROM is required by the service information, etc.
[Tools to be used]
• PC with a serial port
• RS-232C cable (cf. following note)
• Program for updating (ufu.exe)
Note;
Please use a RS-232C cable properly as follows.
For updating HDMI microcomputer --> straight cable (PC terminal-9pin male) [Connections A]
B
For updating MAIN microcomputer or DSP microcomputer --> cross cable (PC terminal-25pin female) [Connections B]
[Connections A] (VSX-82TXS)
For updating HDMI microcomputer
Connect as indicated in the figure below:
PC
RS-232C
Straight cable
C
[Connections A] (VSX-84TXSi)
For updating HDMI microcomputer
TE
L 13942296513
Connect as indicated in the figure below:
PC
RS-232C
Straight cable
D
E
www
F
66
1
http://www.xiaoyu163.com
2
Rear side
This unit
FFC
(VDA1681)
GGF1348
Slit for an HDMI
for downloading
Contact side
FFC
(VDA1681)
GGF1348
Slit for an HDMI
for downloading
x ao
y
. i
VSX-84TXSi
2
http://www.xiaoyu163.com
3
8
• RS-232C I/F jig (GGF1348)
• Firmware ("mot" extension)
• 7-pin FFC (VDA1681)
[Connections B]
For updating MAIN microcomputer or DSP microcomputer
Connect as indicated in the figure below:
IN 3
PC
OUT
DIGITAL
Q Q
3 6 7 1 3
u163
.
3
4
2 9 9 4 2 8
This unit
RS-232C
cross cable
1 5 0 5 8 2 9 9 4
Contact Contact
side side
m
co
4
9 9
2 8 9 9