LC-40CT2E (serv.man2) - Sharp TV Service Manual (repair manual). Page 7

All file types that used by the bootloader software are listed below:

1. The Binary File :  It has “.bin” extension and it is the tv application. Its size is 1920 Kb.

2. The Config Binary File :  It has “.cin extension and it is the config of the tv application. 
Its size may be 64 Kb or  a few times 64 Kb.

3. The Test Script File :  It has “.txt” extension and it is the test script that is parsed  and 
executed by the bootloader. It don’t have to be any times of 64 Kb.

4.  The  Test  Binary  File  :    It  has  “.tin”  extension  and  it  is  used  and  written  by  the  test 
groups. It is run to understand the problem part of the hardware.

Alltough a file that is used by the bootloader can be had any one of these extensions, its 
name  has  to  be  “VESTEL_S”  and    it  has  to  be  located  in  the  root  directory  of  the  usb 
device.

1.2 Usage of The Bootloader
1. The starting to pass through : The chassis is only powered up.
2. The starting to download something : When chassis is powered up the menu key has to 
be pushed.Before the chassis is powered up and if any usb device is plugged to the usb 
port, the programme is downloaded from usb firstly.
Any  usb  device  is  plugged  to  usb  port  ,  user  must  open  hyperterminal  in  the  pc  and 
connect pc to chassis via Mstar debug tool and any one of scart,dsub9 or I2c connectors. 
Serial connection settings are listed below:

-

Bit per second: 115200 

-

Data bits: 8 

-

Parity: None

-

Stop bits: 1

-

Flow control: None

In  this  case  the  bootloader  sofware  puts  “C”  character  to  uart.  After  repeating  “C” 
characters  are  seen  in  the  hyperterminal  user can  send  any  file  to chassis  by  selecting 
Transfer -> Send File menu item and choosing “1K Xmodem” from protocol section.