Service schematic for the Quanta EF6 design, revision 1A, in PDF form at about 984 KB. It covers the board’s power circuits, CPU and chipset connections, memory and…

User guide for the Huawei Y5II smartphone, a 7.66 MB PDF even though it is filed among schematics.

Circuit schematic of the Apple iPhone 4 in PDF format, 2.31 MB. Only the model is given in the name, with no logic board number or revision, so match the document to…

Schematic PDF for the Lenovo LCFC NM-E791 motherboard, revision 1.0. At only 337 KB it may be a partial or heavily compressed document, so check its page count.

PDF of about 228 KB for the 2SA1297 PNP transistor, the 2SA prefix being the Japanese JIS designation for that device class.

Very small PDF, only 16.5 KB, named 2pg352 and catalogued under schematics. The name is terse and gives no device, brand or board number, so it most likely holds a one…

Covering the 1N746A to 1N759A range, this 74.3 KB PDF is a family datasheet for a series of JEDEC zener diodes, although the index files it as a schematic.

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…

Catalogued as a schematic, the 1SR139 document comes as a 117 KB PDF whose name mentions 400 and 600 variants, so it likely covers two grades of one discrete part.

The name of this 237 KB PDF is just the number 2416, and it is filed as a schematic without any brand, model or revision.

Short code 33C804A names this 174 KB PDF, indexed as a schematic, with no device, brand or revision indicated.

A 75.1 KB PDF titled after the 24C16 part, with a _3 suffix that likely marks a third copy or revision of the same reference sheet.

Short PDF of 17.5 KB titled 23SC4428, catalogued under schematics. The name gives only a part number, and its 4428 suffix resembles that of a known smart-card memory…

Schematic PDF of 328 KB whose name, 8CLJQ045, reads like a component or part code and gives no laptop model, brand or board number.

Schematic diagram in PDF format for board BM5968, revision 1.4 as read from the name; the brand and device it belongs to are not stated.

SIM card circuit page from the Samsung SM-A30S (Galaxy A30s) schematic set, saved as a 4.29 MB PDF.

Schematic in PDF format named only with the number 17823, with no brand or model stated.

Exploded view diagram for the Samsung SM-S901U, the US Galaxy S22 model, as a 3.53 MB PDF.

PDF schematic, 863 KB, for the Quanta ZL5 board project, with no revision stated in its name.

Small PDF schematic whose name refers to RT6906B and SM4151, which look like chip or board identifiers, but the name does not say which device the document belongs to.

Schematic in PDF format whose name, A01, gives no model or board number and probably refers only to a revision.

PDF exported from a CorelDRAW file for a Zener stereo amplifier rated 400 W, 642 KB in size; the Spanish name says it comes without the circuit diagram.

PDF document titled in Portuguese as the oscilloscope, filed under schematics but with no device, brand or board number in its name.

Apple iPad Air schematic in a 1.01 MB PDF, with no board number or variant given in the name.

Small PDF schematic for the ALADDIN repeater daughterboard, dated 20110722, a companion sheet to the ALADDIN project design.

The 2SD2285 is documented in this 128 KB PDF. Its JIS part number, with the 2SD prefix, places it among NPN transistors intended for low-frequency circuits such as…

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.

A PDF document for the 2SC4884, filed under schematics but by its name a component datasheet rather than a board diagram.

Filed under schematics at 212 KB, the PDF named 20ETF-S gives no device, board or revision details.

NXP document UM10391 in PDF format, 1017 KB. The UM prefix marks an NXP user manual, a reference describing a chip family, its registers, peripherals and pin functions…

Schematic PDF of 1.06 MB titled only A6G, with no brand or board number given in the name.

Fingerprint sensor schematic for the Samsung SM-A23 (the name spells it FINGERPINT), a 2.78 MB PDF.

Small PDF for a Lenovo machine built on LCFC board NM-A281; although the name says boardview, it is catalogued as a schematic-type PDF, so it may be a printed layout or…

PDF document for the TPS51117, a Texas Instruments synchronous step-down buck controller often found on laptop motherboards generating system or memory rails.

Repair guide in PDF form for the ASUS C100PA, the Chromebook Flip, catalogued here under schematics.

Top-side component placement drawing for the Compal LA-F541P motherboard, a 359 KB PDF that pairs with a separate bottom-side file.

AMD Polaris 20 graphics chip databook, provided in PDF format inside a 1.45 MB RAR archive.

PDF for the ASUS ROG Zephyrus G15 GA502IU gaming laptop, 1.55 MB; the name calls it a boardview but it is catalogued as a schematic and comes in PDF form, so check which…

PDF schematic for the Gigabyte H310M S2V 2.0 motherboard, revision 1.0, archived as a 1.10 MB RAR.

Schematic for the Lenovo Flex 5 Chromebook 13IML05 on board BM5986, revision 1.3, delivered as PDF in a 1.43 MB RAR archive.