Updating Firmware - Yamaha CD-C600 Service Manual

■ UPDATING FIRMWARE

After replacing the following parts with the replacement parts, update the latest firmware according to the following
procedure.
MAIN P.C.B.
Microprocessor (IC305) of MAIN P.C.B.
● Required tools
• Program down loader program
....................................................... FlashSta.exe
• Firmware
................................................... C5S3_xxxx.mot
• 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
● Preparation and precautions
• Download the firmware down loader program and
the latest 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.
● Confirmation of firmware version
Before and after updating the firmware, check the
firmware version by using the factory mode menu.
Start up the factory mode of this unit, and press the
"DISPLAY" key of the remote control. The firmware
version is displayed. (See "FACTORY MODE")
Note down the displayed firmware version.
O P E : v 1 . 0 9
C5S3_xxxx.id
Pin No.2 RxD
Pin No.3 TxD
Pin No.5 GND
Pin No.7 RTS
Pin No.8 CTS
Firmware version
● Connection
* Turn off the power of this unit and disconnect the
power cable from the AC outlet.
1. Remove 4 screws ( ① ) and 3 screws ( ② ), and
remove the top cover. (Fig. 1)
2. Eject the disc tray.
a. Turn gear/L0 counter clockwise gradually and
stop before the disc tray starts to move. (Fig. 1)
b. Pull out the disc tray ass'y. (Fig. 1)
Top cover
1
Disc tray ass'y
Eject the disc tray
Front panel unit
Fig. 1
CD-C600
2
1
Disc tray ass'y
Gear/L0
19