Schematic for a board labelled P552SJ, with an RG suffix, in a 1.29 MB PDF. The name gives no brand or revision, so identify the board by the code printed on it and…

Schematic for the ASUS B75M-PLUS desktop motherboard, supplied as a PDF inside an 875 KB archive; the RG tag in the name is not explained.

Schematic in PDF form for the Gigabyte B450 I AORUS PRO WIFI, a mini-ITX AMD B450 motherboard, at PCB revision 1.01.

ASUS schematic set in PDF form, packed in a RAR archive of 4.11 MB, with the name pointing to the FX516PR and UX482 models.

Schematic for the Gigabyte GA-970A-UD3P desktop motherboard, revision 1.02, supplied as a PDF inside a RAR archive.

Preamplifier schematic, the file name being the Romanian word for preamp, delivered as a 574 KB PDF with no model or brand stated.

Silicon Chip magazine, November 2005 issue, in PDF form at 15.4 MB; the trailing number in the name suggests a duplicate copy.

Schematic in PDF format for the IBM ThinkPad X61, about 1.42 MB. The file name carries no board number or revision; it appears to be the same size as another X61…

Schematic for the MSI MS-7B89 motherboard, revision 2.1, provided as a PDF in a rar archive.

PDF schematic covering the HP EliteBook 840 G2 board 6050A2637901-MB-A02, revision A02, compressed into a RAR file.

Schematic in PDF for the Lenovo C510M laptop, designed by Compal as board LA-3861P. Compal uses the LA-xxxxP numbering, so the same schematic may also cover other models…

Schematic PDF for the Dell G5 5590 and G7 7590 gaming laptops, which share a common mainboard design, compressed as a RAR of about 6.5 MB.

PDF schematic for a board coded H54Y in its UMA variant, packed as a 1.20 MB ZIP. UMA means integrated graphics only, without a discrete GPU, so the GPU power and VRAM…

MSI MS-7393 board schematic, compressed to 4.19 MB. The name gives only the MSI project number, which follows the company's MS-7xxx desktop motherboard scheme and is…

Laptop schematic labelled scala3-14, which appears to be a platform or project code name, delivered as a 1 MB PDF.

Circuit diagram for the MSI MS-7104 motherboard at revision 0C, an earlier engineering revision than the 3.0 version also indexed, delivered as a 627 KB PDF.

Generic-named HP laptop schematic: the file name states no model, board number, ODM or revision, so the 1.02 MB PDF must be opened to identify which machine it covers.

Schematic for the Compal LA-5541P system board, revision R1.0, packed in a 721 KB RAR file.

An 822 KB PDF on COF panel repairs, referring to chip-on-film connections that join an LCD panel to its source driver boards.

Schematic diagram for the HP Pavilion 15-ab108AX, a board designed by Quanta under the project code X22.

Apple iPhone 3G schematic in a 1.01 MB PDF, with no board number or revision mentioned in the name.

Schematic PDF for an HP Sleekbook 14 (model listed as 14-1156la) designed by Quanta under the Volks project name.

ECS schematic in PDF format for the C42IIx board, revision C. ECS (Elitegroup) is a board maker that builds laptop motherboards for other brands as well.

A 55.2 KB PDF named after the 2SK2348, a JIS-registered type whose 2SK prefix indicates an N-channel FET.

A 140 KB PDF named after the semiconductor 2SJ563, listed in the index under schematics.

A compact 44.5 KB PDF labelled 2SJ520 and catalogued as a schematic. Because 2SJ is the JIS prefix for P-channel FETs, the document is best treated as a short datasheet…

The name of this 97.3 KB PDF gives nothing beyond 2SJ277, a JIS-style designation in which 2SJ marks a P-channel FET.

Named after the JIS part number 2SJ267, this 91.8 KB PDF most likely documents a P-channel field-effect transistor, since the 2SJ prefix denotes that device class.

Named simply 2SJ226, this 84.5 KB PDF refers to a JIS-registered P-channel FET and most likely contains the part datasheet, even though it sits in the schematic section.

Schematic in PDF form labelled CADIZ-CP, which appears to be a board or project code name; no brand, model or revision is stated in the name.

EPLIS document for the Samsung SM-A715F (Galaxy A71), a compact 203 KB PDF with an 11 suffix in the name, possibly a section or version number.

Schematic in PDF form for the Dell Latitude 5400, EDC41 platform, Compal board LA-G891P, packed in a RAR archive.

PDF named only TOP, catalogued as a schematic and 330 KB in size, with no model, brand or board number in the name.

Clevo schematic packed as a RAR containing a PDF, for board 6-71-P87K0-D02, related to the P870KM1 model named in the file.

Schematic PDF for the Samsung SM-M317F, the Galaxy M31s. At 4.41 MB it should contain a reasonable set of circuit drawings, likely covering power management, charging…

Schematic in PDF format, packed in a RAR, for the Inventec motherboard 6050A2940901-MB-A01 with the R15 project code.

Positivo Stilo XCI3650 laptop schematic, 355 KB PDF, covering the mainboard labelled S14BW01 and U30.

Schematic PDF for the Harvey 14 project with motherboard number 6050A2493101-MB, dated 20111112 in the file name.

Schematic for the Gigabyte X570 AORUS ELITE WIFI motherboard, revision 1.0, provided as a PDF inside a 1.27 MB RAR archive.

Gigabyte GA-Z87X-UD3H schematic, revision 1.03, delivered as PDF in a 1.16 MB RAR archive.