Yamaha RX-V2065 Service Manual page 24

RX-V2065/HTR-6295
● Required Tools
• Firmware downloader program
For main microprocessor:
For DSP (TI flash ROM):
• Firmware
For main microprocessor: V265xxxx.mot
For DSP (TI flash ROM):
• 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 adaptor (Part No.: WR492800)
PC
Serial port (RS232C)
RS232C cross cable
24
Writing method using PC (RS232C)
DSP_FLASHER_v3.0.exe
DSP_FLASHER Ver2.7.exe
Vx65_data1_verxxxxxr.hex
Pin No.2 RxD
Pin No.3 TxD
Pin No.5 GND
Pin No.7 RTS
Pin No.8 CTS
Writing port (DIGITAL P.C.B. CB27)
RS232C conversion adaptor
OTHER
SW7
For DSP
● Preparation and precautions
• Download the firmware downloader program
and the 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.
● Connection
1. Remove the top cover. (See "DISASSEMBLY
PROCEDURES")
2. Connect the writing port (CB27 of DIGITAL P.C.B.)
of this unit to the serial port (RS232C) of the PC
with RS232C cross cable, RS232C conversion
adaptor and flexible flat cable as shown below.
(Fig. 1)
3. Set the switch (SW7) of RS232C conversion adaptor
as shown below. (Fig. 1)
FLASH FLASH
OTHER
UCOM UCOM
SW7
For microprocessor
Fig. 1
DIGITAL (1) P.C.B.
Flexible flat cable (9P)