If a motherboard is replaced, the firmware must match the panel's native resolution (in this case, 1366x768) to display correctly.

For more technical support or to find the remaining parts, you can check specialized electronics repair forums like Soft4led or KazmiElecom .

The TV powers on but hangs at the boot screen.

Insert the drive into the TV's USB port while it is powered off.

The file is a specific segment of a multi-part firmware archive for the TP.MS338.PB818

Technicians typically search for this specific file to resolve common issues such as:

It typically features a 4-core processor and is compatible with various LED screens.