Marantz AV7701, Руководство по обслуживанию

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WHEN THE MICROPROCESSOR IS REPLACED WITH A NEW ONE
When the U-PRO (Microprocessor) or the Flash ROM is replaced, confirm 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 flash ROM. Please check the software version.
C : Empty Flash ROM (Without software). You should write the software on the microprocessor or flash 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 firmware 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) Confirm 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) Confirm the power indicator is red.
PC
RS-232C Cable