Marantz AV7701 - When the Microprocessor is Replaced with a New One; Procedure for Upgrading the Version of the Firmware; 1. How to Update by DFW

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WHEN THE MICROPROCESSOR IS REPLACED WITH A NEW ONE
WhentheU-PRO(Microprocessor)ortheFlashROMisreplaced,conrmthefollowing.
PWB Name Ref. No. Description
After
replaced
Remark
HDMI IC201 R5F56108VNFP
B
SOFTWARE: Main
HDMI IC231 R5F3650KNFB
B
SOFTWARE: Sub
HDMI IC410 MX29LV160DBTI-70G
B
SOFTWARE: DSP ROM
HDMI IC406 EPM240T100C5N
B
SOFTWARE: Audio PLD
HDMI IC155 MX25L6406EM2I-12G
B
SOFTWARE: Video OSD ROM
After replacing
A
: Mask ROM (With software). No need for write-in of software to the microprocessor.
B
: Flash ROM (With software). Usually, no need for write-in of software. But, when the software was updated, you should
writethenewsoftwareonthemicroprocessororashROM.Pleasecheckthesoftwareversion.
C
:EmptyFlashROM(Withoutsoftware).YoushouldwritethesoftwareonthemicroprocessororashROM.
Refer to "Update procedure" or "writing procedure", when you write the software.
PROCEDURE FOR UPGRADING THE VERSION OF THE FIRMWARE
YoucanupdatethermwarebydownloadingthelatestversionfromtheInternet.
1. How to update by DFW
1.1. Preparations before starting the operation
(1) Personal Computer (Installed "DFW_0017_AV7701_(Rev.X.X.X).exe".
(2) RS-232C cable (9P (Male), Straight).
1.2. Connection of AV receiver
(1) Conrmthepoweron/offswitchoftheAVreceiveristurningoff.
(2) Connect the RS-232C cable from PC with the "RS232C Terminal of AV receiver".
1.3. Turn on the AV receiver
Operate the following. Turn on the AV receiver.
(1) Connect the power cable to the AC outlet while simultaneously pushing the "MOVIE" and "M-DAX" button of the front
panel.
(2) Conrmthepowerindicatorisred.
PC
RS-232C Cable