TCL L50B2800 Service Manual page 19

Factory Test & Alignment Specification For MS08PA-LA Series (V1.0).Doc
The second method：

To use this method, there should be SW in mainboard to ensure TV can display normally.

Copy the SW BIN image "V8-6328L14-LF1VXXX.bin" into USB stick (pen drive) root path

Press RCU MENUSettingFunctionsoftware upgradeOKBy USB

TV display warning information, that means it is upgrading, almost 3minutes later, when
upgrade successful, TV should restart automatically.

Appendix "How to change ProjectID with RCU "

Process following subsequence IR codes to change project ID: 062598+MENU+xxx (xxx:
Project ID, ex: 001)

Restart TV

Appendix "How to upgrade MAC Address

Upgrading MAC address need to use the tool in factory and through serial command, the
specific methods according to the operation of the factory guidance.

Appendix "Factory Menu Description"
1- Factory hotkey submenu
Item
Factory
hotkey
2-Warm-Up Mode submenu
Item
Warm-UP
Mode
3-ADC submenu
As SoC as built-in A/D self-calibration mechanism, there's not any ADC to perform.
4-White Balance submenu
Item
White
Balance
Sub-item
Sub-item
Sub-item
Source
Color Temp
R Gain
G Gain
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Value
OFF：hotkey is invalid
Off/On
ON ：hotkey(Return key) is availability
Value
Select panel On with left/right key, Press
"EXIT" key to enter the burning mode;
Off/On
Press "Menu" key on keyboard to exit the
burning mode
Value
Balance source are：
HDMI,etc
HDMI, ATV, DTV, PAL, NTSC, CMP
Normal
Warm and cool value is relative to Normal
/Warm/Cool
one. Normal is the default Tone mode
000..255
R White balance (-127..+128 for gain)
000..255
G White balance (-127..+128 for gain)
Note
Note
Note