Master Electronics Repair !: TCL50P6, TCL49U7800 LED LCD TV HOW TO ENTER THE SERVICE MODE, HOW TO UPGRADE THE SOFTWARE / FIRMWARE, POWER SUPPLY CIRCUIT DIAGRAM

Applicable to: TCL49U7800, TCL50P6, TCL55P6, TCL65P6, TCL50P65, TCL 55P65, TCL65P65

How to access factory menu.

Whenever in this manual you request access to the Factory menu, you must perform the following procedure:

- Turn on the device;

- On the remote control, press the MENU key (key);

- Select Advanced Settings;

- Select IMAGE menu;

- Select the CONTRAST option;

- On the remote control, press the number sequence 9735;

- At that time the factory menu will be available.

With the TV on enter the Factory menu.

In it, verify that the installed software version is correct.

Main SW update via the User Menu

- Download the compressed file update.zip, change the name and extension to “V8-S586T03 -

LF1VXXX.bin ”where XXX is the version number.

Save the file to the root of a USB device.

- Connect the USB device, with the software, to the USB port.

- Select MENU (Key) Update Support. via USB.

- The device will find the Vxxx software. Press "Update".

The update will start. After approximately 4 minutes the TV will automatically restart.

- After restarted, perform the reset by going to the settings menu “MENU (key) Support

Restart the TV. Confirmation and password request is requested. Enter 1234 and press "OK".

- After this the TV will restart.

Note: The version of the Software to be used must be the one informed in the material plan of the respective product.

Save the file to the root of a USB device by renaming it “update.zip”.

- With the device disconnected from the mains, connect the USB device with the installation software, on the USB port.

- Pressing the TV's Power key and keeping it pressed, connect the TV to the mains

- The update will start. After approximately 4 minutes the TV will restart automatically.

- After restarting, perform the reset by going to the settings menu “MENU (key) Support

Restart the TV. Confirmation and password request is requested. Enter 1234 and press "OK".

- After this the TV will restart.

PROJECT ID CHANGE

(If panel information is wrong)

If the screen is completely dark due to the difference in panel x installed software, press 062598 + MENU + xxx (xxx: Panel ID)

For the correct identification of the product, observe the beginning of its serial number.

With this, you can insert the correct values on the plate and restore the product to function.

New panels may be introduced in the future and if the model is one of those listed above but the serial number does not start with any of these informed, obtain the Panel ID from SEMP TCL suitable for the product.

After the update, the TV will enter TV mode and the channel that was previously selected.

Enter the factory menu again, select option 3 - Reset Shop, press enter.

After the reset, switch on the device using the power key.

Panel test mode (warm -up)

Recommended for analysis of panels (spots, dots, scratches, etc.).

Enter the Service Menu as indicated before, turn on the option “Factory hotkey” and turn on the “WARM -UP” function.

A sequence of screens in different colours will be generated where it can be verified with more details, possible panel failures.

In the same “WARM - UP” mode, a table with the main product information will be displayed in the lower right corner.

In this table we have the project information:

We have the project ID, as shown in the table above and following the version of the software in use.

Below the information of the recorded keys (MID):

MAC (Mac Address) Without recording this key, it is not possible to connect to the internet via ethernet (LAN);

DID (Device ID) Product Factory Control; Already included in the main software.

ESN (Netflix) Without recording this key, you will not be able to access Netflix services;

HDCP Without recording this key, high definition images from the HDMI inputs will not be reproduced;

HDCP2.0 Without recording this key, 4K images will not be reproduced;

WIDEVINE Without recording this key, content from YOUTUBE and other sites will not be played.

The last key marked “NULL” in this project refers to the requirements of the

European broadcasts (DVB digital format) that are not required in Brazil. Ignore this key.

IMPORTANT NOTE: If some of the other keys are not recorded, the

“NULL” information to replace the respective key on that line.

In this case, SEMP TCL support should be contacted for instructions from recording procedures.

To EXIT the “WARM - UP” mode, press the POWER key on the device because the functions remote control will be disabled and if the device is just disconnected from the network, the “WARM - UP” mode will return when the network is connected again.

After exiting WARM - UP, enter the factory menu again and turn off the option

Factory Hotkey or give a user reset.

Tension table and software update