Updating Firmware; Confirmation Of Firmware Version And Checksum; Required Tools; Initializing The Back-Up Ic - Yamaha RX-V667 Service Manual

■ UPDATING FIRMWARE

When the following parts are replaced, the firmware must be updated to the latest version.
DIGITAL P.C.B.
IC951 (TI (DSP) flash ROM) of DIGITAL P.C.B.
● 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: IC903 of the DIGITAL 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 "(power) key of this unit to turn off the power once and turn on the
power again. Then the back-up IC is initialized.
● Required Tools
• BD, DVD or CD player (with DIGITAL OUTPUT (OPTICAL or COAXIAL) jack)
• Optical cable (when OPTICAL jack is used)
• Digital audio pin cable (when COAXIAL jack is used)
• Firmware CD
*
Download the latest firmware from the specified download source and create the firmware CD.
RX-V667/HTR-6063/RX-A700
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