Nokia 5140 schematics, stored as a 639 KB PDF and numbered 2 in its name, which suggests it is one part of a larger multi-file set.

Wiring and circuit schematic for the Nokia 5140 rugged phone, delivered as a 1.27 MB PDF. Only the model is given in the name; there is no stated revision.

Schematic PDF for the Nokia 5140 handset, 1.17 MB, with a trailing 3 in the name that may mark a third part or an alternate edition; it is unclear which.