Schematic diagrams for the LG LP156WHB-TLA1, a 15.6-inch LCD panel used in many laptops, supplied as a small 781 KB RAR archive. Panel schematics show the timing controller, the panel power and backlight supply circuits and the pinout of the display connector. Technicians use them to check panel voltages, locate a blown fuse or faulty converter, and confirm signal lines when a screen stays dark or shows lines. Match the exact panel part number on the rear label before relying on the drawings.
The button opens the matching file on RM Schematics, or a source page if it is not catalogued there yet. The original attachment is from @acodis_lcd_datasheets_EDID. Enginerys does not host this file.
How to open a .rar file
Compressed archive — the usual wrapper for a schematic + boardview pair or a BIOS + EC set.