Power Supply and Display Troubleshooting Guide | PDF - Scribd
Use a tool like WinRAR or 7-Zip to extract the files (usually named allupgrade_5522...pkg or similar) to the root of a FAT32-formatted USB flash drive . Download MT5522S PC822 3840x2160 Skyline part03 rar
Turn off the TV and unplug it from the power source. Power Supply and Display Troubleshooting Guide | PDF