Spanish tutorial on recognising components in a schematic, a 310 KB PDF intended as training rather than a diagram for a specific device. It should explain the symbols and reference designators for resistors, capacitors, inductors, diodes, transistors, ICs and connectors. For a beginner this is the foundation for following power rails and signal paths in real service schematics and for relating diagram parts to their positions in a boardview. No device or board number is involved, so use it alongside the actual schematic for the unit on the bench.
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 @canalesquematicos. 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.