Updating Firmware - Yamaha RX-Z9 Service Manual

RX-Z9/DSP-Z9

UPDATING FIRMWARE

Equipment required
• PC with RS-232C serial port (OS: Windows 98/2000/Me/
XP)
• Firmware Loading Program (YAV Boot V511.exe)
• Firmware (xxx.mts or xxx.mot file)
• RS-232C cross cable "D-Sub 9-pin Female".
(Specification)
Pin No.2 RxD
Pin No.3 TxD
Pin No.5 GND
Pin No.7 RTS
Pin No.8 CTS
RX-Z9/DSP-Z9 side
• RS-232C Conversion Adapter (Part No.: AAX24910)
Installation procedure of firmware loading program
Download the firmware loading program (YAV Boot.exe) and
firmware (xxx.mts or xxx.mot file) from the specified down-
load sources into the same folder of the PC for updating the
firmware.
UPDATING FIRMWARE
CAUTION
• As updating the main microprocessor will cause the
memory to be initialized, take notes of the parameters
changed by the user before updating and change the pa-
rameters according to these notes after updating. (With
some other microprocessors, the memory will be initial-
ized but not with some others.)
1
Before turning on the power to the amplifier and PC, con-
nect between RS232C ports of both units with the
RS232C cable (cross cable). When updating the firm-
ware from the front panel side, remove the volume knob
and use the RS232C conversion adapter.
76
Pin No.2 RxD
Pin No.3 TxD
Pin No.5 GND
Pin No.7 RTS
Pin No.8 CTS
PC side
1