Circuit diagrams for the Compal LA-7571P laptop mainboard, revision 1.0, delivered in a RAR archive of about 1.65 MB.

PDF schematic of 1.21 MB for the HP ProBook 6550b, an Inventec design named Diesel 10 in the UMA variant, meaning integrated graphics without a discrete GPU.

Schematic for the NTSN1521 board at design version 2.0, carrying a 0123 1000 code in the name, delivered as a PDF inside a RAR archive.

PDF of the bottom side for LCFC board NM-A181 at revision 1.0, a Lenovo design whose name marks it as the BOT layer.

MSI MS-1035 board schematic, revision 02S, supplied as a 1.06 MB PDF document. The name gives no retail model, just MSI's in-house MS- board designation, which should be…

Gigabyte GA-990FXA-UD3 schematic diagram for board revision R402, delivered as a PDF compressed in an 814 KB RAR file.

PDF schematic for revision 5.3 of the MSI MS-7817 mainboard, archived as a 1 MB RAR. Opening it in any PDF reader lets you search net names, follow power sequencing from…

HP ZE2000 laptop schematic, drawn by Quanta under project code CT8 at revision 3B according to the file name.

Reference PDF of 176 KB for the 2SA1425 transistor, carrying no information in its name beyond the part number.

Datasheet for the 1N4001GP glass-passivated rectifier, 41.9 KB PDF, grouped with schematics.

Toshiba Satellite L655, L750 and L755 schematic in PDF format, based on the Quanta BLB board design, inside a 1.14 MB RAR archive.

Schematic PDF of Compal board LA-5752P, which the name links to the Lenovo IdeaPad G460, Z460, G560 and Z560 family.

The name of this 92.4 KB PDF consists only of 2SJ255, a Japanese JIS designation where 2SJ marks P-channel FETs.

Location map for the Redmi K40 Pro main board, a PDF of about 817 KB. It shows the physical placement of chips, passives, connectors and test points with reference…

Laptop schematic in PDF form whose name carries only the project codes ZHP and ZSP with what appears to be revision 1A; no brand or model is stated.

Small 48.3 KB PDF covering the 2SA1323 transistor; the _E suffix in the name is not explained.

Schematic PDF for the ASUS K42F notebook, revision 2.0 of the mainboard. The drawings help with locating charger and power-sequencing circuits, tracing main and standby…

Schematic in PDF format for a board coded Z62HA, apparently a variant of the Z62H design. No brand, model or revision appears in the name.

Large PDF of 38.6 MB named only by a date, 18 May 2020, and the abbreviation BOM, meaning bill of materials; no device, brand or board number is stated.

Revision 1.0 schematic of board MS-G019, supplied as a PDF of about 1.76 MB, with no brand or model stated in the name.

Part documentation for the 2SD1631, a 162 KB PDF listed as a schematic. JIS designation 2SD indicates an NPN bipolar transistor designed for low-frequency or power…

A 100 KB PDF for the 2SA1037AK, filed as a schematic though it is expected to be a transistor datasheet.

PDF schematic for the LCFC NM-A362 motherboard, covering both the ACLU3 and ACLU4 project codes, which typically separate board variants of the same Lenovo design.

PDF of about 39 KB for the 2SB1462J, a variant designation of the 2SB1462, with the _E suffix likely marking English text.

Catalogued as a schematic, this 75.7 KB PDF is called 2716 and offers no brand or board information in its name.

Schematic in PDF form for the Acer Aspire T5000, a design the file name ties to Quanta under the project code Usopp, with SLS also appearing in the title.

Silkscreen print of the bottom side of board NMA931R10, which corresponds to the LCFC number NM-A931 revision 1.0, saved as a PDF.

Topstar M42G schematic, revision A, dated 11 March 2008 per the name, supplied as a 1.36 MB PDF.

Network RF section of the Samsung SM-A10 schematic, a 2.25 MB PDF. It follows the cellular radio chain from transceiver through power amplifiers, antenna switch and…

Revision 1A schematic of the Quanta RD2 laptop motherboard, a PDF of about 674 KB. The (2) in the name points to a repeated copy of the same document rather than a new…

Revision 0B schematic of the MSI MS-7122 motherboard, a 904 KB PDF sitting between the 0A and 1.00 versions of the same design.

PDF schematic of the Samsung Galaxy A30, model SM-A305N, with a size of 1.75 MB. Repair technicians rely on such diagrams to follow PMIC outputs, battery and charging…

Yamaha PA 2400 amplifier schematic in a small 194 KB PDF. The name gives no revision or note about modifications, so it may represent the standard circuit, but confirm…

A 2.06 MB schematic in PDF format labelled X61C; the name carries no brand, board number or revision, so identifying the exact machine requires checking the drawing's…

Component sheet for the 2SA1723, an 80.1 KB PDF. The name holds only the part number, so no equipment model or board revision can be attached to it.

PDF of 34.7 KB for the 2SA821S, one of the smallest documents in this group, with only the part number in its name.

At 377 KB this is the largest of a group of PDFs named after 1N part codes; this one is 1N1183, a JEDEC style diode designation, so it is most probably a datasheet even…

Schematic of the Uniwill U40II1 notebook mainboard, revision stage RC 1207, with board code 37GU41000.

Lenovo ThinkPad T410i schematic in PDF format; the name gives no board number or revision.

Very small PDF schematic named only 4kw2, probably a second sheet or variant of a 4 kW power amplifier design, though the name gives no further detail.