Marantz SR7009/U1B Service Manual page 84

1.2. Unzip Download File
Unzip the downloaded file on your computer.
SR7009U USB_SR7009_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).
1.3. File structure on USB Memory
Copy the update files to the USB memory with the following structure:
USB memory root
Model Name
SR7009U
SR7009N
SR7009K
SR7009F
+ firmwares
+ 100100XXXXXX
+ APLD.bin
+ DSP1.bin
+ DSP2.bin
+ DSP3.bin
+ DSP4.bin
+ enc_update.xml
+ GUI.bin
+ IMG.bcd
+ MAIN.bin
+ SBL.bcd
+ SUB.bin
+ VPLD.bin
copy to USB flash drive
Model Area
North America (U)
Europe (N)
China (K)
Japan (F)
Product ID (CX870)
100100270100
100100270200
100100270500
100100270400
84
Product ID (CY920)
d
100100330100
100100330200
Nothing
Nothing