Yamaha NS-BP300, Service Manual

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R-840/NS-BP300
R-840/NS-BP30
0
When the following parts are replaced, the firmware must be updated to the latest version.
MAIN P.C.B.
Microprocessor (IC101) of FUNCTION P.C.B.
●
Required tools
• Firmware downloader program
....................................................... FlashSta.exe
• Firmware
..................................................... R840_xxx.mot
R840_xxx.id
• RS232C cross cable “D-sub 9 pin female”
(Specifications)
Note: Do not use the RS232C conversion adaptor
(Part No.: WR492800), which is used
for updating BD-940/DVD-840/CD-640,
otherwise the update will not proceed.
■
UPDATING FIRMWARE
• RS232C conversion adaptor (Part No.: AAX77610)
●
Preparation and precautions
• Download the firmware downloader program and
the latest firmware from the specified source to
the same folder of the PC.
• Prepare the above specified RS232C cross cable.
• While writing the firmware, keep the other application
software on the PC closed.
It is also recommended to keep the software on
the task tray closed as well.
●
Confirmation of firmware version
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.
Using the “1-1. Firmware version” / “1-2. Checksum” menu, have the firmware version and checksum displayed, and
note down them. (See “SELF-DIAGNOSTIC FUNCTION”)
Pin No.2 RxD Pin No.2 RxD
Pin No.3 TxD Pin No.3 TxD
Pin No.5 GND Pin No.5 GND
Pin No.7 RTS Pin No.7 RTS
Pin No.8 CTS Pin No.8 CTS
1 . V E R : 1 0 0 / G
1 . S U M : D 8 7 E
1-1. Firmware version
1-2. Checksum
The firmware version of microprocessor (IC101 of the MAIN P.C.B.) is displayed.
The checksum value of microprocessor (IC101 of the MAIN P.C.B.) is displayed.