Updating Firmware; Confirmation Of Firmware Version And Checksum; Initializing The Back-Up Ic (Eeprom: Ic222 On Digital P.c.b.); Required Tools - Yamaha HTR-3064 Service Manual

RX-V371/HTR-3064

■ UPDATING FIRMWARE

When the following parts are replaced, the firmware must be updated to the latest version.
DIGITAL P.C.B.
IC243 on 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 "25. ROM VER/SUM/PORT" 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: IC222 on 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 "24. FACTORY PRESET" menu. (See "SELF-DIAGNOSTIC FUNCTION")
Select "24. PRESET RSRV", press the " " (Power) key 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.
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