Yamaha R S300, Service Manual

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R-S300
R-S30
0
When the following parts are replaced, the firmware must be updated to the latest version.
FUNCTION P.C.B.
Microprocessor (IC502 on FUNCTION 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 “1. FIRMWARE VERSION” 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, perform the UPDATING FIRMWARE from the beginning.
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Initializing the back-up IC (EEPROM: IC503 on FUNCTION 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.
Start up the self-diagnostic function and select “3. FACTORY PRESET” menu.
(See “SELF-DIAGNOSTIC FUNCTION”)
Select “3. 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.
• RS-232C conversion adaptor (Part No.: WR492800)
■
UPDATING FIRMWARE
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
●
Required Tools
• Firmware downloader program
........................................................ FlashSta.exe
• Firmware
.................................................... RSx00_xxx.mot
RSx00_xxx.id
• RS-232C cross cable “D-sub 9 pin female”
(Specifications)
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Preparation and precautions
• Download the firmware downloader program and
the latest firmware from the specified download
source to the same folder of the PC.
• Prepare the above specified RS-232C 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.