Service documentation for the ASUS ZE550KL handset, combining circuit schematics and a service manual in a 9.71 MB ZIP archive.

Lenovo P770 smartphone repair documents: schematic diagram and service manual in a 646 KB RAR archive.

Schematic diagram with accompanying service manual for the Lenovo K900 phone, packed in a compact 417 KB RAR file. No board number or revision is given in the name.

Repair pack for the Lenovo A7000 smartphone containing a schematic diagram and service manual in a 917 KB RAR archive. No board number or revision appears in the name.

Lenovo A850 schematic diagram and service manual, a comparatively large 6.53 MB RAR archive that likely includes detailed sheets or images.

Samsung SM-J737T schematic at revision 0.5, a 789 KB PDF. The size matches another J7 Star schematic in the index, so it may be the same document under a different name…

Nineteenth issue of the Spanish series El mundo de la electronica, a 1.70 MB PDF aimed at learning electronics.

Schematics for the FIC PTB51 motherboard at revision R0.6, compressed as a RAR archive of about 1012 KB.

FAA-H-8083-32 Aviation Maintenance Technician Handbook, Powerplant volume, in a 33.7 MB PDF, despite being filed as a schematic.

Maintenance manual in PDF for the Huawei MediaPad 10 FHD tablet, filed here under schematics.

Quanta BW2 mainboard schematics at revision 3B, packaged as a 1.74 MB PDF. BW2 is a Quanta project designation, and the brand of the finished notebook is not given, so…

Schematic for an MSI board built around the Pentium M processor and the Intel 855GME chipset.

Compal NM-A281P schematic, revision R0.4, compressed into an 839 KB RAR file. The laptop model and brand are not named, and NM-series numbers are associated with Compal…

Revision 1.0 schematic for the Compal LA-8392P mainboard, compressed into a 776 KB RAR file.

Fourth numbered schematic document for the Xiaomi Redmi 3s, a smaller 7.58 MB PDF than its companions.

Schematic set for the LG B2050 mobile phone in a 709 KB PDF. These drawings let a technician follow the charging and battery circuits, trace power rails, and check…

PDF schematic fragment, 73 KB, labelled as the second part of the LA46 drawings for the DIS version, which indicates the variant with a discrete graphics chip.

Fly SL500I schematic, provided as a 753 KB PDF. The diagrams let a repair technician follow the battery and charger circuitry, regulator outputs and the lines between…

Gigabyte GA-H61M-S2-B3 schematic, revision 1.0, in PDF format at about 790 KB. The H61 micro-ATX board is drawn sheet by sheet, which lets a technician follow power…

Samsung Galaxy A5 schematic for the SM-A500H, distributed as a 7.38 MB PDF. The name gives no board revision.

Samsung E1200i schematic supplied as a small 707 KB PDF. The name lists only the model, a basic feature phone, and no board revision.

Nokia 3250 schematic, version 1.0 according to the name, provided as a 754 KB PDF. This handset is known for its twisting keypad section, and the diagrams help follow…

Nokia 2626 circuit schematics supplied as a 789 KB PDF. No revision or product code appears in the name, so verify that components on the board align with the drawings…

Nokia 2220 handset schematic as a 737 KB PDF file. The name carries only the model number, with no revision or board identification.

Schematic for the Toshiba Satellite A135-S2686, built by Compal; the name ends at the LA prefix and does not give the full board number.

Sony schematic identified only by GD1B, which follows the Quanta project-code style, GD1 with a B suffix, though no MBX board number or model is given.

Repair guide for the ASUS K45DR, with the XY1 project code and board number DA0XY1MB6E0 in the name.

Schematic for Dell motherboard LA-J181P, made by Compal, as a 2.12 MB PDF with no revision stated in the name.

Schematic PDF named only T135, around 768 KB, with no brand listed. It may relate to the Toshiba Satellite T135, but the name alone cannot confirm that, nor any board…

Repair guide, RG, for the P452SJ laptop, delivered as a 714 KB PDF. Expect board layout images with marked components, voltage values at key test points and flowcharts…

PDF for the 2SC1172, 74.4 KB, listed among schematics with no further detail in its name.

PDF of 77.6 KB named 2SD1620 and filed with schematics; the name carries nothing beyond the part number, which points to a component datasheet.

For the 2SK614, a part number from the JIS family of N-channel field-effect transistors, this 32.7 KB PDF is catalogued as a schematic but is most plausibly a short…

The 2SJ339 appears in this small PDF of roughly 40.7 KB. The name carries only the part number, with no hint of the equipment it came from.

Part-number reference for the 2SC4433 in PDF form, about 71.5 KB. The name gives no board or device, only the JIS designation, where 2SC denotes an NPN bipolar…

PDF for the 2SC4417 carrying an _E suffix whose meaning the name does not explain, sized 40.7 KB.

Catalogued as a schematic, this 41.7 KB PDF bears the part number 2SC5611 and should be the datasheet for that NPN bipolar transistor.

Datasheet-style PDF for the 2SC4271 transistor, catalogued here under schematics and weighing 78.2 KB. The name gives only the part number, with no maker or revision.

Datasheet PDF for the 2SC3931, 60.7 KB, with the _E suffix common to this group of files and listed as a schematic.

Small 39.7 KB PDF for the 2SC3526, carrying an _E suffix in its name whose meaning, perhaps a language edition or document revision, cannot be confirmed from the name…