Numbered PDF schematic of 35.7 MB with no model, maker or board number in the name. Its title block or first page should reveal which board it covers, and it may be one…

English-language manual for a device identified only as 5860C, filed among schematics as a PDF of about 1.8 MB.

Unidentified 1.13 MB PDF named 599038 with a download suffix; the name carries no brand, model or board revision.

Circuit schematic for the HP EliteBook 8840P and 8840W mobile workstations, supplied as a PDF of about 841 KB.

Schematic diagram for the Wistron LA14 motherboard at revision RSB, stored in a 1.27 MB RAR archive.

Section 5 of a multi-part schematic for the Samsung SM-J250F (Galaxy J2 Pro), supplied as a 1.22 MB PDF.

Amilo Pa2515 notebook schematic from Fujitsu Siemens, stored as a 982 KB PDF and referencing board number 37GL53010-C1.

Preliminary revision R0.1 schematic for Compal board LA-6856P, stored as a 474 KB RAR. Being the earliest revision, it may differ noticeably from boards that reached…

Revision R1.0 schematics for the Compal LA-6842P mainboard, stored in a 1.80 MB RAR archive.

Circuit diagrams for the Compal LA-4093P mainboard, revision R1.0, packed in a 1.24 MB RAR archive.

Schematic for the Quanta CT6 motherboard, revision R1B, provided as a 989 KB PDF. Readable in any PDF viewer, it documents power circuitry, signal routing and connector…

Short PDF reference listing IC equivalents, meaning substitute part numbers that can replace one another in a repair.

Circuit diagram for the Gigabyte GA-H81M-S2VP mainboard at revision 1.0, saved as a 639 KB PDF. As an H81 model it uses the Intel H81 chipset for LGA1150 processors.

Small 124 KB PDF titled DMI process, catalogued as a schematic, but the name does not identify any device, board or brand.

Full schematic for the Huawei G525 smartphone, provided as a 585 KB PDF. The name lists no board revision, so compare the circuit labels with your phone's mainboard.

Huawei G6 smartphone schematic delivered as a 775 KB PDF. The file name does not specify the board revision, so confirm the designators and layout against the board you…

Schematic for the Samsung SM-A720F, provided as a 3.58 MB PDF. The file name lists only the model, without revision or region information.

Samsung SM-A800I disassembly guide, a 1009 KB PDF listed under schematics. Disassembly documents of this kind describe how to open the handset step by step, which screws…

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

Circuit schematic of the Orange Pi Zero Plus2, revision 1.0, as a 197 KB PDF. It documents the power tree, processor pin connections, memory, onboard storage, wireless…

SMD Databook 2011 covering active SMD semiconductor components, a 19 MB PDF reference catalogued under schematics.

Revision 1.0 schematic for the ASUS M50VM notebook, packaged as an 862 KB PDF. It documents the mainboard circuitry, allowing a repair tech to trace the standby and main…

Schematic for the Samsung Galaxy Grand Prime, model SM-G531H, supplied as a 3.21 MB PDF. No board revision appears in the name.

Circuit diagram for the Samsung SM-S5303 handset, provided as a 2.73 MB PDF. The name gives no board number or revision.

Sony Xperia E4g schematic covering the E2003, E2006, E2033, E2043 and E2053 regional versions, supplied as a 320 KB PDF.

Nokia N77 schematic in PDF format, 607 KB in size, a compact document that may contain only part of the full diagram set.

Circuit diagrams for the Nokia 6060 handset, supplied as an 814 KB PDF. Repair staff use pages like these to trace supply rails from the battery connector through the…

Nokia 3110 circuit schematics delivered as a 780 KB PDF. With no revision or RM code in the name, use it as a general service reference and check the label under the…

Nokia 5800 schematics, a 1.43 MB PDF for this touchscreen handset. The name gives no revision or RM type code, so check the label under the battery and compare board…

PDF schematic for the Nokia 2260 mobile phone, about 777 KB in size. Nothing beyond the model number appears in the name, so the board revision is unknown.

Nokia 6020 schematic diagrams, a 1.08 MB PDF with no revision given in the file name. A repair technician can follow the battery and charging path, trace power…

PDF circuit diagram for the ThinkPad T400 built on the MALIBU-3 motherboard, an external SDV-stage release, version 142 dated 0928, covering the ICH9 chipset variant.

Service documentation for the Sony VAIO VGN-FJ series, stored as a 2 MB PDF and catalogued as a schematic.

Datasheet for the Maxim MAX1908, an 863 KB PDF whose name states only the part number. The overview page confirms the device function and package; parts from this Maxim…

Service schematics for the Nokia X2-00, type designation RM-618, as a 3.79 MB PDF. Nokia service documents of this kind typically include block diagrams, circuit sheets…

PDF schematic named only U400D, about 814 KB in size, with no brand, board number or revision in the name.

Dell schematic in PDF form, 369 KB, labelled PA-12. Dell uses the PA-12 designation for a family of 65 W laptop AC adapters, so the document most likely covers the power…

Combined sheet covering the 2N6716 through 2N6718 range, a 27.4 KB PDF indexed as a schematic.

Datasheet-style PDF for the 2SD2611, stored in the schematic category at 47.3 KB. The name gives only the part number, so revision and manufacturer are not stated.

A 133 KB PDF for the 2SD1935, a transistor in the Japanese 2SD family, which the JIS standard reserves for NPN low-frequency devices.