Compal LA-5811P motherboard schematics, revision 1.0, in a RAR archive of around 1.66 MB.

Seagate F3 series hard drive reference in PDF form, filed as a schematic, focused on common short-circuit faults on the drive's controller PCB.

Reference sheet for the 2SC5356 in a 175 KB PDF; the name gives no device, board or revision.

Spanish-language colour reference on LEDs for TV backlights, edition dated June 2019, 2.01 MB PDF, part 06 of a series.

PDF of 2.02 MB catalogued as a schematic, but the name sluuba6 says nothing about the device.

Training course material on basic electronics repair, 7.26 MB PDF, catalogued with schematics although it is an educational guide rather than a board diagram.

Samsung I9295 troubleshooting guide, the Galaxy S4 Active, provided as a large 16.8 MB PDF.

Reference sheet in PDF format, 236 KB, describing LVDS connector pinouts. The name names no device or panel model, so treat it as a generic guide to low-voltage…

A 407 KB PDF for the 2SK2602, a part number following the Japanese JIS convention in which 2SK designates an N-channel field-effect transistor.

PDF manual of 1.64 MB for a product named Rhos; the name gives no device type, model number or board identifier.

Persian-language PDF whose title translates roughly as how to test electronic components.

Schematic PDF for the G501JW laptop mainboard, 1.30 MB, tagged RG as on ASUS repair guide schematics, with no revision in the name.

Sony training material in PDF describing the WAX2T LCD TV chassis. Training guides usually explain block diagrams, board functions, signal flow, power sequencing and…

Disassembly and reassembly guide in PDF form, 1.11 MB, with no device or brand named in the file name.

Base-version document for the 2SC4738, a 236 KB PDF placed in the schematic category. Following the JIS scheme, the 2SC prefix denotes an NPN bipolar transistor; F and…

English PDF on testing electronic components, filed under schematics but in practice a general reference rather than a circuit diagram for a particular board.

Spanish PDF on powering on a Chestnut without a screen, 1.46 MB. Chestnut is commonly used as the code name for the Xiaomi Redmi 2 Prime, though the name itself names no…

Marking-code guide in PDF for Micro Commercial Components (MCC), a maker of diodes, transistors, MOSFETs and other discrete semiconductors.

Small 81.5 KB PDF named after the 2SA1724 part number and filed under schematics. Nothing else in the name identifies a product or circuit board.

Schematic in PDF for the ASUS U36JC motherboard, revision 2.0, a compact 582 KB file. It documents the power-on sequence, charger and regulator circuits, the main…

Troubleshooting guide for a device labelled A20s, stored as a 5.82 MB PDF with a doubled extension in its name; no brand is given in the input.

Washing machine repair guide attributed to P. Mevada, a 401 KB PDF with no brand or model named.

Disassembly guide for the Samsung SM-E500H, a 598 KB PDF even though it is listed under schematics.

PDF filed as a schematic for the Huawei M865C handset, with the name carrying the tokens asecond2 and a misspelled brand.

Spanish-language repair note in PDF form covering the repeated or duplicated image fault, describing the symptom and a solution, apparently tied to an NC (no-connect or…

The 2SC3552 transistor is documented in this 121 KB PDF, catalogued under schematics though it is a component datasheet.

Schematic for the ADP-60DP adapter rated 19 V at 3.16 A, roughly 60 W, stored in a 684 KB rar file. The ADP prefix matches Delta Electronics model numbering.

Repair schematic in PDF format for the T100HAN tablet and keyboard dock device, a 1.24 MB file carrying the RG tag associated with ASUS repair guide diagrams.

Samsung SM-J500M documentation in a 2.49 MB PDF, covering the Galaxy J5 variant for Latin American markets.

Troubleshooting document in PDF form for the Samsung S7262, the Galaxy Star Pro dual-SIM phone.

Schematic for the ASUS K54LY laptop in PDF form, 674 KB in size. The name gives only the model, with no board revision, so compare the revision printed on the…

PDF component location drawing for an Apple MacBook logic board, 820-01598. The name gives no model year or revision, so check the 820 number on the board silkscreen…

Schematic PDF for the ASUS G53SX notebook; the RG tag suggests a condensed reference or guide document rather than the full circuit set, and at 395 KB it is likely only…

Short Persian-language PDF guide, saved from a web page, about current-draw testing. That is the practice of reading the power-supply current a board pulls to diagnose…

Portuguese-language reference values guide for the Motorola Moto G7 Play, model XT1952, in a 160 KB PDF.

Schematic in PDF form, 1.39 MB, for the X55C laptop motherboard; the name gives the model and the RG tag, used on ASUS repair guide schematics, but no revision.

Schematic PDF of 2.29 MB for the N56VM laptop mainboard, carrying the RG tag of ASUS repair guide documents; no revision is given in the name.

Troubleshooting guide in PDF form for the Samsung SM-A910F, the Galaxy A9 Pro, identified by Samsung's model code; the 7 in the name looks like a part or section number.

Schematic in PDF for the M5A78L-M LX desktop motherboard, a 382 KB file with the RG suffix used on ASUS repair guide schematics. No board revision is stated in the name.

Early engineering schematic, revision R0.1, for the Compal LA-3191P notebook motherboard, compressed into a 1.32 MB RAR archive.