Yamaha RX-V675 Service Manual page 26

RX-V675/HTR-6066/RX-A730/TSR-6750
● Operation Procedures
1. Insert the USB storage device to the USB jack. (Fig. 1)
2. While pressing the "PURE DIRECT" key, connect the power cable to the AC outlet. (Fig. 1)
"MAIN ZONE " key
3. The USB UPDATE mode is activated and "USB UPDATE" is displayed. Writing of the firmware starts automatically.
(Fig. 2)
Writing is started.
U S B U P D A T E
*
If "ERROR! xxxx" is displayed during writing of the firmware, refer to "List of Error Messages" to determine the
cause and perform the updating procedure again from the beginning.
4. When writing of the firmware is completed, "UPDATE SUCCESS", "PLEASE..." and "POWER OFF!" are displayed
repeatedly. (Fig. 3)
Writing is completed.
U P D A T E S U C C E S S
5. Press the "MAIN ZONE " key to turn off the power. (Fig. 1)
6. Remove the USB storage device from the USB jack. (Fig. 1)
7. Start up the self-diagnostic function and check that the firmware version and checksum are the same as written
ones. (For details, refer to "Confirmation of firmware version and checksum")
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USB storage device
Fig. 1
Writing being executed.
V E R I F Y I N G . . .
Fig. 2
P L E A S E . . .
Fig. 3
"PURE DIRECT" key
USB jack
S x - x : x x %
S1: NET (IC951/IC953 on DIGITAL (1) P.C.B.) section
S2: MAIN (IC83 on DIGITAL (1) P.C.B.) section
S3: DSP1 (IC921/IC923 on DIGITAL (1) P.C.B.) section
S4: DSP2 section (Not available)
S5: GUI (IC50/IC77 on DIGITAL (1) P.C.B.) section
P O W E R O F F !