Service manual

25
RX-V665/HTR-6260
RX-V665/HTR-6260
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)
Flexible flat cable (9P)
DIGITAL P.C.B.
For microprocessorFor DSP
SW7
FLASH
UCOM
OTHER
SW7
FLASH
UCOM
OTHER
● Required Tools
• Firmware downloader program
For microprocessor: DSP_FLASHER_v3.0.exe
For DSP (TI flash ROM):
DSP_FLASHER Ver2.7.exe
• Firmware
For microprocessor: VX65xxxx.mot
For DSP (TI flash ROM):
Vx65_data1_verxxxxxr.hex
• RS232C cross cable “D-sub 9 pin female”
(Specifications)
● Preparation and precautions
• Download 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)
Writing method using PC (RS232C)
Fig. 1