Yamaha RX-V671 Service Manual page 25

● Operation Procedures
1. Insert the USB storage device to the USB port. (Fig. 1)
2. While pressing the "PURE DIRECT" key, connect the power cable to the AC outlet. (Fig. 1)
"MAIN ZONE " key
USB port
USB storage device
3. The USB UPDATE mode is activated and "USB UPDATE" is displayed. Writing of the firmware starts automatically.
(Fig. 2)
Writing is started.
4. When writing of the firmware is completed, "Update Success", "Please..." and "Power Off!" are displayed
repeatedly. (Fig. 3)
Writing is completed.
5. Press the "MAIN ZONE " key to turn off the power. (Fig. 1)
6. Remove the USB storage device from the USB port. (Fig. 1)
7. Start up the self-diagnostic function and check that the firmware version and checksum are the same as written
ones. (See "Confirmation of firmware version and checksum")
"PURE DIRECT" key
Fig. 1
Writing being executed.
Fig. 2
Fig. 2
RX-V671/HTR-6064/RX-A710
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