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■ UPDATING FIRMWARE
When the following parts are replaced, the firmware must be updated to the latest version.
DIGITAL P.C.B.
DSP FLASH ROM (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.
(For details, refer to "SELF-DIAGNOSTIC FUNCTION")
*
When the firmware version is different from written one after updating, perform the updating procedure from the
beginning again.
● 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 store the setting
information (soundfield parameters, system memory and tuner presetting, etc.) properly.
Start up the self-diagnostic function and select "24. FACTORY PRESET" menu. (For details, refer to "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
•
CD, DVD or BD player (with DIGITAL OUTPUT (OPTICAL or COAXIAL) jack)
*
The following models can be used as a tool to update the firmware.
CD player:
CD-C600/CD-S1000/CD-S2000/CD-S300/CD-S700/CDX-496/CDX-596/CDX-890
DVD player: DV-C6760/DVD-840/DVD-C740/DVD-C750/DVD-C940/DVD-C950/DVD-CX1/DVD-S1200/DVD-S1800/
DVD-S2300(MKII)/DVD-S2700/DVD-S30/DVD-S510/DVD-S520/DVD-S530/DVD-S540/DVD-S550/
DVD-S657/DVD-S700/DVD-S80/DVD-S840
BD player:
BD-940/BD-S1065/BD-S1900/BD-S2900/BD-S671
Others:
CDR-D651/CDR-HD1000/CDR-HD1300/CDR-HD1500/DV-SL100/CDX-E100/CRX-430/CRX-E150/
RDX-E700
•
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.
HTR-2064/NS-B20/NS-C20/NS-SWP20
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