Schematic in PDF format for the Samsung Galaxy A80, model SM-A805F, delivered in a 3.06 MB RAR archive. The name states no board revision.

Gigabyte H310M D3H motherboard boardview, revision 1.0, stored in TVW format in an 887 KB ZIP.

Electrical parts list for the Samsung SM-B310E, chapter 11 of the service manual, a compact 40.4 KB RAR.

Compact 116 KB PDF for the BQ24737 charge controller from Texas Instruments, filed under schematics.

Schematic diagrams in PDF for the Xiaomi POCO M3 smartphone, archived as a 4.20 MB RAR.

Reference design document for an adjustable-output 200 W SEPIC power supply, a 3.26 MB PDF.

Schematic PDF for the Huawei Honor 9 smartphone, compressed into a 1.23 MB RAR archive.

Archive tied to the Y23A-MB-B motherboard, revision B, packed as a 319 KB rar that appears to accompany a boardview of the same name.

Schematic diagram for the Samsung Galaxy A11, model A115F, in an 18.0 MB ZIP. The size suggests a fairly complete set of circuit sheets.

Intel 875P package of about 8.98 MB in RAR form, relating to the Canterwood-generation 875P chipset for Pentium 4 with dual-channel DDR.

Texas Instruments document with the literature number SLUS786, revision H, provided as a 2.38 MB PDF.

BIOS dump for the Dell Latitude E7250 on Compal board LA-A971P, project code ZBZ0. The U52U53 tag suggests the archive holds images for chips at those reference…

Small 101 KB PDF classified as a schematic, named only 9402gyt, which gives no clear device, brand or board number.

Revision R0.4 schematic for the Compal LA-2451 notebook mainboard, distributed as a 1.22 MB RAR file.

Circuit diagram for the Xiaomi Mi 4C phone, delivered as a 5.76 MB PDF. Like other phone schematics it is used to understand how the power management IC, battery…

Nokia E65 circuit diagrams in PDF form, 1.36 MB, marked as the second part or second variant of the schematics set.

Training PDF about SMD surface-mount components, numbered 31 in what looks like a course series, about 998 KB in size.

NXP document UM10391, a user manual in PDF form catalogued here as a schematic reference.

PDF datasheet, 135 KB, for the part numbered SM3903. No manufacturer, package code or revision is stated in the name, which carries only the bare part number.

PDF datasheet, 206 KB, for the SG3525A regulating PWM controller, revision 2F of the document according to the name.

PDF datasheet of 251 KB identified by the literature number SDLS210. The name gives no device, family or package; the SDLS style is typical of Texas Instruments logic…

Small 63.4 KB datasheet in PDF format, named SDLS204 with no device stated. The literature code style resembles Texas Instruments logic documentation, so the covered…

PDF datasheet, 396 KB, with literature code SDLS201 as its only identifier. No part number is present in the name, but the SDLS pattern is the one Texas Instruments uses…

PDF datasheet of 692 KB named only SDLS191, a literature code that tells nothing about the exact component inside.

A 382 KB PDF carrying the literature code SDLS161 and no part name. The SDLS prefix is the one Texas Instruments applies to its standard logic data sheets, so this…

PDF datasheet carrying the code SDLS145, 306 KB. The name identifies only the document, using the numbering Texas Instruments applies to its logic family data sheets, so…

Literature-coded PDF of roughly 617 KB; the name gives only a Texas Instruments document number, not the part it describes.

Datasheet marked with the Texas Instruments document code SDLS110, part of the series TI uses for its classic TTL logic devices.

Diagram of a 2.1 preamplifier joined to an audio power amplifier, taken from a YouTube project; the doubled pdf extension is just a naming slip.

Hi-fi 2.1 amplifier schematic credited to SeahorseDIY, in a 688 KB PDF. It covers a stereo-plus-subwoofer layout, likely with the crossover or filter stage feeding the…

Service schematic for the Nokia N76 mobile phone, supplied as a PDF in a RAR archive. Phone schematics like this show the power management IC, charging path, display and…

Boardview in CAD format for the Dell Inspiron 5590, platform code name Mantis, on Comet Lake (CML) with the 18778-1 motherboard.

Three-level block diagram for the E7S project, the Xiaomi code for the Redmi Note 5, supplied in an unlocked copy.

Schematic PDF named R7000L-64TC, roughly 209 KB, covering a design whose suffix 64TC is not explained by the name itself and may denote a variant or configuration.

RAR archive labelled Meizu M6, roughly 3 MB; the file name names only the phone model and says nothing about what kind of documents are inside.

RAR archive for the Meizu M6 Note, carrying the model code M1721, about 6.5 MB; the name does not specify whether it holds schematics, board layouts or other service…

ASUS M81C schematic diagram and service manual, compressed into a 1.57 MB ZIP. The name names only the model, without revision or hardware variant.

PDF datasheet of 204 KB with a generic name that does not identify the component, manufacturer or part number.

Generic PDF datasheet of 326 KB whose name says nothing about the component, manufacturer or part number, so you must open it to find out what it covers.

Datasheet for the Intersil ISL95836HRTZ, supplied as a 962 KB PDF. The ISL95836 is a multiphase voltage regulator controller used for CPU and GPU core power in…