Hisense 40LE45S 40LC45S LCD TV–How to enter service mode–Software update–Chassis MT5380

How to enter service mode - How to update the firmware - Hisense 40LE45S and Hisense 40LC45S LED LCD TV

There are two ways to enter the service mode [Factory mode].  With a factory remote control [Service remote control] and with the User's remote control

To enter the Factory OSD Menu

With factory RC (remote control)
1. Press the “M” button and enter factory mode.
2. Press the“Menu” button and enter factory OSD menu.
3. Press “CH+”/“CH-” button select the function menu, press “VOL+”/“VOL-” enter the selected
function menu. Press “VOL+”/“VOL-” button adjust values in the menu.

With user’s RC

1. Power TV On
2. Press the Menu button and call up User OSD Menu
3. Select Audio > Balance
4. Enter 0 > 5 > 3 > 2 in sequence.
Note: If necessary, re-enter the number keys.
5. Factory OSD appears.
6. Press Menu again to leave factory OSD. [Exit the factory mode]

Factory OSD Menu

White Balance

Note: Different source has different WB values. Before adjusting, please change to desired source.
1. Auto Color
For VGA and Component Video sources, WB values must be adjusted. Before adjusting, prepare the signal instruments such as DVD or K-8256 first, and find the video picture with gray and color bars. Then change to desired source.

a.Press “M” button and enter factory mode.b.Press “Menu” button and enter factory OSD menu.c.Select the item “Auto Color”.d.Press VOL+ button to auto color.e.Close the OSD menu after 5 seconds.

To clear the EEPROM

Note: The factory menu date varies according to different sources. In case changing the factory data by error, you can choose to “Clean Protected”, by which you can resume the
a Select the item “Clean All”.
b Press VOL+ button to clear the EEPROM data.
c Close the OSD menu after 5 seconds.
d Restart the TV.

To Exit the Aging Mode
If There is a red “M” moving on the screen, it means the TV is in Aging mode. To exit the Aging mode, use your user RC, and enter 8 > 0 > 8 > 7 in sequence.

Software Upgrading

The software is upgraded by a burning toll-MtkTool, which can burn the program file *.bin to the main board of the unit.

Install the driver

Select the default value, the driver will be installed step by step.

Hardware connecting
Connect the unit to your PC with a USB-to-serial port cable. USB port connects to your PC, and serial port to the TV’s RS232 port.

For the first connecting, the PC will recognize and automatically install the USB device. The process is just like the installation of a mini disk, see the following picture.

Upgrading with the MtkTool

MTKtool is a green program needing no installation. It is saved in the folder.

The MtkTool using log is restored in the MtkLog folder. It records the running time and date whenever the tool is used. The log will be a txt file named by the date and time.

After connecting the TV with your PC, double click icon, open the MtkTool

Flash chip model

Refer to follow steps to update the software:

1 Select mode of Flash chip to MT538X as the below picture.

2 Refer to the next page instruction to select the communicate port.

3 Press the icon beside the baud rate and make sure it is green as the below picture.

4 Set the flash baud rate to 115200 as the below picture.

5 Click the browse button to select the *.bin file that will be updated.

6 Click the “start” button to update software.

Open “Device Manager” and find which port is connected with the TV. In above picture, COM4 is connected to the TV; so, select “COM4” in the MtkTool main interface. Select the right baud rate according to chip model. For this unit( chip model is MT538X), select 115200

Note: Where or not click the “Auto Set Flash Baud Rate” in the “window” menu depends on the chip type. If the flash chip does not support high speed transport, do not select this option; otherwise, reserve the selected mode.

Click “Browse” button, find the upgrading program file, and select it. Press “Upgrade” button and start upgrading.
The above shown interface appears on the screen, indicating upgrading successfully.