Procedure After Replacing The Microprocessor, Etc; Firmware Update Procedure; Updating By Usb - Marantz AV7702 Service Manual

PROCEDURE AFTER REPLACING THE MICROPROCESSOR, ETC.

The procedure after replacing the u-COM (microprocessor), flash ROM, etc. is as follows.
PCB Name Ref. No.
DIGITAL IC151
DIGITAL IC171
IC254/IC264/
DIGITAL
IC273/IC283
DIGITAL IC404
DIGITAL IC221
DIGITAL IC421
Procedure after Replacement
A : The software has been written. The software is not written at the time of replacement.
B : The software has been written. The software may need to be rewritten by version updates. Check the version.
C : The software has not been written. The software needs to be written after replacement.
See "Firmware Update Procedure" for information on writing the software.
D : The software has been written. Be sure to rewrite with the latest software for your service region.
See "Firmware Update Procedure" for information on writing the software.

FIRMWARE UPDATE PROCEDURE

1. Updating by USB

The latest firmware can be downloaded to a USB memory for updates.
1.1. Connecting to the USB Memory
(1) Preparation
• USB format : Prepare a USB memory formatted in FAT16 or FAT32.
• Do not run the USB memory through a hub.
• Do not connect a computer to the USB port of this unit using a USB cable.
• Do not use an extension cable when connecting the USB unit.
1.2. Unzip Download File
Unzip the downloaded file on your computer.
AVXXXXXXX USB_AVXXXXXXX_XXXXXXXXXXXX-XXXX.zip
You can find "firmwares" folder after unzipped.
Copy that folder to USB flash drive.
You have to put "firmwares" folder on root directly on USB flash drive(memory).
Description
R5F56108VNFP
R5F5210ABDFP
MX25L1606EM2I-12G
MX25L12845EMI-10G
5M570ZF256C5N
EPM570F256C4N
copy to USB flash drive
Proce-
dure after
Replace-
ment
B SOFTWARE:Main
B SOFTWARE:Sub
B SOFTWARE:DSP1 / 2 / 3 / 4 ROM
B SOFTWARE:GUI ROM
B SOFTWARE:AUDIO PLD
B SOFTWARE:VIDEO PLD
75
Remark