Circuit diagram for the Dell Inspiron 5420, mainboard DA0R08MB6E2 at revision E2, which follows Quanta numbering since Quanta designed the board.

PDF schematic for a Dell notebook mainboard, identified only as 15250 in the file name and matched to board number 15250-1, which follows the Wistron numbering pattern.

Schematic in PDF form for a Dell power adapter, with no model or wattage given in the file name. At 228 KB it likely covers one charger design.

LiteOn schematic for Dell adapters PA-1900-28D and PA-1900-27D of the PA-3E series, revision B, with a 19.5 V 4.62 A output, which is 90 W.

Circuit diagram of the Dell 90 W AC adapter PA-1900-02D, D-Series, built by LiteOn, at revision 0E, supplied as a 13.9 MB PDF.

Schematic set for the Dell Inspiron 15 3537, Compal board LA-9982P revision 3.0, packed as a 2.09 MB RAR.