Service schematic for the TH55CX700M television, a large 32.8 MB PDF that likely holds a complete manual with several board diagrams. Open it in any PDF viewer and use the bookmarks or index to jump to the power supply, main board or LED driver section. It supports voltage tracing, test point location and checking components on dead or no-backlight sets. Regional variants can differ, so match the model sticker and board labels in your set to the document.
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 @datasheets1. Enginerys does not host this file.
How to open a .pdf file
The standard format for schematics, block diagrams, power-sequence charts and service manuals.
Any PDF readerSumatraPDFFirefox / ChromeFlexBV (links PDF to boardview)