A schematic diagram for Sony hardware. Shared as “sony_kdl_32_37_40_46_kdl_55ex720.pdf” — a .pdf file, 16.7 MB.
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)