General electronics repair guide in a large 35.4 MB PDF. The name is generic and does not tie it to any device, brand or board, so treat it as reference material rather…

Training course material on basic electronics repair, 7.26 MB PDF, catalogued with schematics although it is an educational guide rather than a board diagram.

Michaels International diode equivalents guide, a large 8.42 MB PDF catalogued here as a schematic but actually a cross-reference book.

Basic electronics material in Spanish, with the word electronics misspelled in the name.

Electronics-for-beginners guide in Spanish, a 5.77 MB PDF filed under schematics but by its title an educational text rather than a device diagram.

Schematic for the ADP-60DP adapter rated 19 V at 3.16 A, roughly 60 W, stored in a 684 KB rar file. The ADP prefix matches Delta Electronics model numbering.