Yamaha A-S201, Руководство по обслуживанию

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When the following parts are replaced, the firmware must be updated to the latest version.
MAIN P.C.B.
Microprocessor: IC203 on FUNCTION (1) 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/CHECK SUM” 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 again from
the beginning.
●
Initializing the back-up IC
Start up the self-diagnostic function and select “3. FACTORY PRESET” menu.
(For details, refer to “SELF-DIAGNOSTIC FUNCTION”)
Select “PRST RSRV”, press the “ ” (Power) key to turn off the power once and turn on the power again. Then the back-
up IC is initialized.
■
UPDATING FIRMWARE
●
Required Tools
• Firmware downloader program
................................................................ RFP.exe
• Firmware
................................................. AS_201_xxx.mot
• RS-232C conversion adaptor (Part No.: ZK189200)
• Flexible flat cable
(9 pin 150 mm pitch = 1.25, Part No.: ZD896000)
• USB to Serial converter
(USB type-A to D-sub 9 pin)
*
Recommendation: BUFFALO
(Part No.: BSUSRC0605BS)
FTDI Ltd.
(Part No.: DS-US232R-10)
●
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.
After updating the firmware, the back-up IC MUST be initialized by the following procedure to store the setting
information properly.
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A-S201
A
-S20
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