Marantz NR1609 Service Manual page 154

PROCEDURE AFTER REPLACING THE PCB.
PROCEDURE AFTER REPLACING THE U-COM, ETC.
FIRMWARE UPDATE PROCEDURE
1. Items necessary for update
2. Updating via USB
3. Update method when the DIGITAL PCB or network module is replaced (Using a USB flash drive)
4. Update Method for Service Region Settings
5. Normal Firmware Update Method from USB Flash Drive
6. Normal Firmware Update Method from OTA
7. About the error codes
UPDATING
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