PDF schematic fragment, 73 KB, labelled as the second part of the LA46 drawings for the DIS version, which indicates the variant with a discrete graphics chip.

Small PDF schematic of only 17.3 KB, titled as part of the LA46 drawings, discrete-graphics (DIS) version, and numbered as the fourth file in a set.

Fragment of a schematic set described as LA46 drawings in the DIS, or discrete graphics, version; the name is cut off and gives no model or revision.

First file of the LA46 drawings series in PDF, discrete-graphics (DIS) version, only 25.2 KB in size.

Full-size 1.59 MB PDF of the LA46 drawings, discrete-graphics (DIS) version, with a truncated name that does not state the laptop model or revision.

PDF of 73.0 KB labelled as LA46 drawings, DIS version, with a truncated title that names no device, board number or revision.

Short 25.2 KB schematic excerpt named as LA46 drawings in the discrete-graphics (DIS) version; the title is incomplete and states no model or revision.

One of a split series of PDF schematics for the LA46 design in its DIS version, meaning the discrete GPU variant, here part three at 19.8 KB.

Very small 17.3 KB PDF whose name refers to LA46 drawings, DIS (discrete graphics) version, with the title truncated.

Schematic for the Lenovo IdeaPad Y550 (spelled levovo in the name), Compal board LA-4602P with KIWB1 and KIWB2 project codes, revision 2.0, in a 694 KB RAR.