Updating Firmware - Yamaha MCR-730 Service Manual

■ UPDATING FIRMWARE

After replacing the following parts update the latest firmware according to the following procedure.
MAIN P.C.B.
Microprocessor (IC11) of MAIN P.C.B.
● Required tools
• Program downloader program
........................................................ FlashSta.exe
• Firmware
................................................... DRX730_vx.mot
...................................................... DRX730_vx.id
• RS232C cross cable "D-sub 9 pin female"
(Specifications)
Pin No.2 RxD
Pin No.3 TxD
Pin No.5 GND
Pin No.7 RTS
Pin No.8 CTS
• RS232C conversion jig (Part No.: AAX77610)
● Confirmation of Firmware Version and Checksum
Before and after writing to the microprocessor, check the firmware version and checksum with the self-diagnostic
function menu.
Using the self-diagnostic function menu, check that the firmware is updated successfully.
Start up the self-diagnostic function of this unit and the "1. VERSION/SUM" is displayed.
For more information, see "SELF-DIAGNOSTIC FUNCTION".
1. VERSION/SUM
V E R . B 3 9 S : 0 8 4 C
Writing to the microprocessor
Pin No.2 RxD
Pin No.3 TxD
Pin No.5 GND
Pin No.7 RTS
Pin No.8 CTS
Firmware version and checksum value of microprocessor
The firmware version and checksum value of microprocessor (IC11 MAIN P.C.B.) is displayed.
● Preparation and precautions before starting
the operation
• Download firmware downloader program and
firmware from the specified source to the same
folder of the PC.
• Prepare the above specified RS232C cross cable.
• While writing, keep the other application software
on the PC closed.
It is also recommended to keep the software on
the task tray closed as well.
DRX-730/NX-E700
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