Yamaha htr-5890 Service-Handbuch - Seite 13
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- 1. Table of Contents
- 2. Service Manual
- 3. Important Notice
- 4. To Service Personnel
- 5. Front Panel
- 6. Remote Control Panel
- 7. Rear Panels
- 8. Specifications
- 9. Internal View
- 10. Disassembly Procedures
- 11. Updating Firmware
- 12. Self Diagnosis Function (Diag)
- 13. Amp Adjustment
- 14. Display Data
- 15. IC Data
- 16. Remote Control
I UPDATING FIRMWARE
After replacing the IC512 on the FUNCTION P.C.B. with
the service part (X4678A00), update the firmware
according to the following procedure.
Equipment required
• PC with RS-232C serial port (OS: Windows98/Me/
2000/XP)
• Firmware loading program (YAVBoot_V518.exe)
• Firmware (V1500_xxx.mot)
• RS-232C cross cable "D-Sub 9-pin Female".
Pin No.2 RxD
Pin No.3 TxD
Pin No.5 GND
Pin No.7 RTS
Pin No.8 CTS
Preparations
Download the firmware loading program and firmware
from the specified download sources to the same directory
of the PC for updating the firmware.
Firmware updating procedure
1. With the power turned off, connect the RS-232C cross
cable and RS-232C conversion adapter between the
PC and the RS-232C port of the unit as shown below.
Pin No.2 RxD
Pin No.3 TxD
Pin No.5 GND
Pin No.7 RTS
Pin No.8 CTS
2. After executing the firmware loading program, select
the program type and port settings as follows:
Program Type Select
Program Type: V1500
COM > SETTING Menu
Port Setting Dialog
Port: Select proper port #
Bits per second: 9600
Data bits: 8
Parity: None
Stop bits: 1
Flow control: Hardware
3. Turn on the power to the unit.
4. To connect the line, click the CONNECT button or the
COM menu, then click the CONNECT.
COM > CONNECT Menu
After connecting, the "Connected" message is
displayed in the status bar.
5. Click the File Change button and then select the file to
be loaded.
To start loading, click the Program Macro button.
<CAUTION>
Never disconnect the power cable of the unit while
loading the firmware, or the flash ROM data may be
destroyed.
6. When the firmware loading is finished, the checksum
information will be displayed on the information box.
7. To disconnect the line, click the BREAK button or click
the COM menu, then click the BREAK.
COM > BREAK Menu
For more information, access to the "FIRMWARE
UPDATE PROCEDURES" on the WEB SITE.
HTR-5890
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