Applicable for 43BDL4550D, 50BDL4550D, 55BDL4550D main boards CBPCSA1PAQ2 CBPCSA1PAQM
1. Format USB Drive in FAT32
2. Prepare "modelname.txt" file
Create a file name "modelname.txt" in the root directory of the USB Drive
Put in the desired model into the first line of modelname.txt
ie. 55BDL4550D
3. Insert the USB Drive into the screen (USB1 - the bottom USB)
4. Power off the Screen from them main.
Power it back on again.
The model of the screen will change and if the model of the screen matches the mainboard model, screen should work correctly.
5. Remove the USB Drive
6. Check the model by pressing info77