Sharp LC-32BT8EA Service Manual ▷ View online
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LC-26GA5E
LC-32GA5E
LC-32GD8E/RU
LC-32BT8E/RU
LC-37GD8E/RU
LC-37BT8E/RU
LC-32/37GD8E/RU
LC-32/37BT8E/RU
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LC-26GA5E
LC-32GA5E
LC-26P55E
LC-32P55E
LC-37P55E
2. Send the command “DWMD” to enter TV set in Download Mode. The TV set answer sending same symbol con-
tinuosly. 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 programs\Accessories\ Communications\HyperTerminal\HyperTerminal” folder.
4. Using “Transfer\Send fi le…” menu, select desired fi le (.bin format) and the transmission protocol (Xmodem) as
show below.
5. After press “Send” button the updating process starts as follows:
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.
6.
When fl ash update process fi nishes, the ” Flash programming complete “ label appear in the screen , the device
automatically go to switch off, and in a few seconds go to switch on again.
VCTp Software Updating, HyperTerminal (continued)
(*)
(*)
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LC-26GA5E
LC-32GA5E
LC-32/37GD8E/RU
LC-32/37BT8E/RU
28
LC-26GA5E
LC-32GA5E
LC-26P55E
LC-32P55E
LC-37P55E
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 fi gure:
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 fi les to an empty fl oppy disk or temporary directory (for example C:\ TEMP ).
Run SETUP.EXE and follow the instruction given by it.
After the installation, the distribution fi les are no longer needed, you can delete them or may keep them in the fl oppy
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 confi gure
the connection:
g
Computer
TV set
1. Select:
Serial ⇒ COM X ⇒ O.K.
1.
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LC-26GA5E
LC-32GA5E
LC-32GD8E/RU
LC-32BT8E/RU
LC-37GD8E/RU
LC-37BT8E/RU
LC-32/37GD8E/RU
LC-32/37BT8E/RU
VCTp Software Updating, Tera Term (continued)
29
LC-26GA5E
LC-32GA5E
LC-26P55E
LC-32P55E
LC-37P55E
4. Select
Setup ⇒ Serial port ⇒ O.K. Appear the follow screen:
2. Select:
Terminal
3. Choose the same options as the above picture.
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LC-26GA5E
LC-32GA5E
LC-32/37GD8E/RU
LC-32/37BT8E/RU
30
LC-26GA5E
LC-32GA5E
LC-26P55E
LC-32P55E
LC-37P55E
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.
5. Select follows settings:
Serial port to use: COM x
Baud rate:
9600
Data:
8 bits
Parity:
none
Stop:
1 bit
Flow control:
none
Enter O.K.
7. Select:
File ⇒ Transfer ⇒ XMODEM ⇒ Sent
VCTp Software Updating, Tera Term (continued)
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