Updating Firmware - Yamaha RX-V671 Service Manual

RX-V671/HTR-6064/RX-A710

■ UPDATING FIRMWARE

When the following parts are replaced, the firmware must be updated to the latest version.
DIGITAL P.C.B.
FPGA Flash ROM:
NETWORK Flash ROM: IC904 on DIGITAL P.C.B.
DSP(TI) Flash ROM:
● Confirmation of firmware version and checksum
Before and after updating the firmware, check the firmware version and checksum by using the self-diagnostic
function menu.
Start up the self-diagnostic function and select "S4. ROM VER/SUM" menu.
Using the sub-menu, have the firmware version and checksum displayed, and note them down.
(See "SELF-DIAGNOSTIC FUNCTION")
*
When the firmware version is different from written one after updating, perform the updating procedure again from
the beginning.
● Initializing the back-up IC (EEPROM: IC83 on DIGITAL (1) P.C.B.)
After updating the firmware, the back-up IC MUST be initialized by the following procedure to have proper memorization
of the set up information (soundfield parameters, system memory and tuner presetting, etc.).
Start up the self-diagnostic function and select "S3. FACTORY PRESET" menu. (See "SELF-DIAGNOSTIC FUNCTION")
Select "PRESET RSRV", press the "MAIN ZONE " key to turn off the power once and turn on the power again. Then
the back-up IC is initialized.
● Required Tools
• USB storage device
• Firmware
RX-V671/HTR-6064/RX-A710: RXV671-xxxx.bin
● Preparation
1. Download the latest firmware from the specified download source to the folder of the PC.
2. Copy the latest firmware from the PC to the root folder of the USB storage device.
Note) When the latest firmware is copied to a sub-folder of the USB storage device, the update will not proceed.
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IC82 on DIGITAL P.C.B.
IC923 on DIGITAL P.C.B.