Yamaha RX-V2065 - AV Network Receiver, Service Manual

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RX-V2065/HTR-6295
RX-V2065/HTR-6295
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
Serial port (RS232C)
RS232C cross cable
PC
RS232C conversion adaptor
Writing port (DIGITAL P.C.B. CB27)
DIGITAL (1) P.C.B.
For microprocessor For DSP
SW7
FLASH
UCOM
OTHER
SW7
FLASH
UCOM
OTHER
Flexible flat cable (9P)
Fig. 1
●
Required Tools
• Firmware downloader program
For main microprocessor:
DSP_FLASHER_v3.0.exe
For DSP (TI flash ROM):
DSP_FLASHER Ver2.7.exe
• Firmware
For main microprocessor: V265xxxx.mot
For DSP (TI flash ROM):
Vx65_data1_verxxxxxr.hex
• RS232C cross cable “D-sub 9 pin female”
(Specifications)
Writing method using PC (RS232C)
●
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)
• RS232C conversion adaptor (Part No.: WR492800)