Sharp LC-26D44E (serv.man4) Service Manual ▷ View online
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2. RS-232C Method Description (Tera Term)
The hardware tools requirement are:
1. A Modem-null (Cross type) DB9 female to DB9 female cable.
2. Make the connections as indicated in the figure:
Software requirements:
To upgrade VCTp software from RS-232C external connector is necessary to use a Tera Term (Pro) free software.
The URL of Tera Term home page is:
http://hp.vector.co.jp/authors/VA002416/teraterm.html
(The address may be changed in future)
Tera Term (Pro) supported operating systems:
MS-Windows 95 or upper
MS-Windows NT 3.5 and 4.0 or upper
Note.- For Windows 3.1 use Tera Term version 1.X.
Copy all the distribution files to an empty floppy disk or temporary directory (for example C:\ TEMP).
Run SETUP.EXE and follow the instruction given by it.
After the installation, the distribution? les are no longer needed, you can delete them or may keep them in the floppy disk.
How to use Tera Term Pro:
When the Tera Term (Pro) program is used, it’s necessary to shape some settings. Follows next action to configure the connection:
Computer
TV set
RS-232C
IOIOI
TV Set
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1) Select: Serial
→COM X→ O.K.
2) Select: Terminal
3) Choose the same options as the above picture.
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4) Select: Setup
→ Serial port → O.K. Appear the follow screen:
5) Select follows settings:
6) Check the connection between TV set and PC, sending a wrong command, as for example: “aaa”. TV set returns an “err” label as an syntaxes
ERROR (Not correct order or sequence).
Send a “DWMD” (capital letters) command to enter TV set in Download Mode.
Change a baud rate to 115200.
Select: Setup
→ Baud rate → 115200 → O.K.
Serial port to use:
COM x
Baud rate:
9600
Data:
8 bits
Parity:
none
Stop:
1 bit
Flow control:
none
Enter O.K.
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7) Select: File
→ Transfer → XMODEM → Sent
8) Choose the file for upgrade and click “Open”.
9) After select “Open” the upgrade process starts as follows:
