How to enter the service mode – TCL L484700 –
firmware update procedure, power, LVDS and HDMI connector details, Audio
amplifier schematic
Software update
To
access the service menu
Whenever this manual asks to access the
service menu, the following procedure must be performed:
- Turn on the device;
- On the remote control press the MENU
button;
- Select PICTURE menu;
- Select option CONTRAST;
- On the remote control press the numerical
sequence 9735;
- The service menu will be displayed.
Verification of the software
version.
1) With the TV connected enter the service
menu
2) In the Service menu, verify that the
installed software version is correct.
MAIN SW + MBOOT SW
A - Through the user menu.
B - Save the file
"MS08F6upgrade.bin" to the root of a USB device.
C - Connect the USB device, with the
software, to the USB port.
D - Select MENU > OPTIONS > UPDATE SW >
CONFIRM
E - Press ENTER.
F - The update will start.
[Note:
The version of the Software to be used should be the one that is informed in
the material plan of the respective product.]
P101 – connector pin voltages
Update procedure when the appliance has
no video
A - Save the file to the root of a USB
device.
B - Leave the unit switched off (Power AC).
C - Connect the USB device, with the
installation software, to the USB port.
D - Press and hold the Power key of the TV first and connect the TV to the power outlet.
E - The update will start.
Changing the Project ID (If panel information
is wrong)
If the screen is completely dark due to the
difference of panel and software installed, press 062598 + MENU + xxx
(xxx: Panel ID)
After updating, the TV will enter the TV
channel mode.
Enter the service menu again, select the option Factory Reset, press enter, select yes and
press enter again.
After the reset, switch the appliance off and then on again using the power switch.
P101 – Main power socket voltages
HDMI socket pin details
LVDS
Audio Power Amplifier schematic
