Denon AVR-X3400H - Updating; Firmware Update Procedure

UPDATING
PROCEDURE AFTER REPLACING THE PCB.
PROCEDURE AFTER REPLACING THE U-COM, ETC.
FIRMWARE UPDATE PROCEDURE
1. Items necessary for update
2. Update preparation with a USB ash drive
3. Update method when the DIGITAL PCB or network module is replaced (Using a USB ash 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
180
Caution in
servicing
Electrical Mechanical Repair Information Updating