Sharp LC-32SA1E (serv.man2) Service Manual ▷ View online
LC-26SA1E/RU, LC-32SA1E/RU
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1) Check the connection between TV set and PC, sending a wrong command, as for example: “aaa”. TV set returns an “ERR” label as an syntaxis
ERROR (Not correct order or sequence).
2) Send the command “DWMD” to enter TV set in Download Mode. The TV set answer sending same symbol continuosly. If this symbol character
doesn’t appear, please don’t worry and pass to next step.
3) Close this connection and open “P55_115200bps” connection clicking over the “P55_115200bps” that you can find in “START\All pro-
grams\Accessories\ Communications\HyperTerminal\HyperTerminal” folder.
4) Using “Transfer\Send file...” menu, select desired file (.bin format) and the transmission protocol (Xmodem) as show below.
5) After press “Send” button the updating process starts as follows:
6) When flash update process finishes, the”Flash Programming Complete” label appears in the screen.
VERY IMPORTANT NOTE:
During the updating time, please don’t use the PC for other purpouses, in order to abolish communication problems between TV set and
PC. If TV set was not updated properly, the TV won’t have the software to startup again, and you must follow the “I2C method” to update
another time the TV set.
PC. If TV set was not updated properly, the TV won’t have the software to startup again, and you must follow the “I2C method” to update
another time the TV set.
LC-26SA1E/RU, LC-32SA1E/RU
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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. An adaptor DB9 male to mini-Din 9 pin male cable (Sharp Code: QCNWGA015WJPZ)
3. 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:
LC-26SA1E/RU, LC-32SA1E/RU
5 – 5
1) Select: Serial
→COM X→ O.K.
2) Select: Terminal
3) Choose the same options as the above picture.
LC-26SA1E/RU, LC-32SA1E/RU
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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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