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

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5. HOW TO UPDATE THE VARIOUS MICROCOMPUTERS

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
Connect as indicated in the figure below:
PC
RS-232C
Straight cable
D
E
F
66
1
2
FFC
(VDA1681)
GGF1348
Slit for an HDMI
for downloading
Contact side
FFC
(VDA1681)
GGF1348
Slit for an HDMI
for downloading
2
3
• RS-232C I/F jig (GGF1348)
• Firmware ("mot" extension)
• 7-pin FFC (VDA1681)
Rear side
[Connections B]
This unit
For updating MAIN microcomputer or DSP microcomputer
Connect as indicated in the figure below:
IN 3
PC
OUT
DIGITAL
VSX-84TXSi
3
4
This unit
RS-232C
cross cable
Contact Contact
side side
4