Schematic PDF, 187 KB, for Samsung-numbered power supply boards BN44-00632A and BN44-00633A, listed with the codes L46F2P and L55F2P, which suggest 46-inch and 55-inch…

PDF schematic for the Quanta motherboard DAHKCAMB6A0; the file name gives no laptop model or revision.

Schematic diagrams for the Samsung SM-A510FD, the dual-SIM variant code, in a 1.54 MB PDF.

Service manual for the Fly Z400 handset, a small 227 KB PDF. Given its size, it probably holds a limited set of pages, such as disassembly notes, block diagrams, part…

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…

Schematic diagram in PDF for the Dell Inspiron N4030 motherboard, code name Arsenal DJ1, discrete graphics version.

Schematic diagram set for the Apple iPad 4 logic board in PDF form, about 1.49 MB. Technicians read it to trace power rails from the battery and charging circuit, check…

Repair guide in PDF format for the ASUS G73JW gaming laptop, catalogued with schematic material.

PDF schematic for a Samsung notebook platform code-named Lampard, AMD version with integrated graphics, revision 1.0.

Sony VAIO SVE15 schematic for mainboard MBX-266, supplied as a 1.15 MB PDF. MBX numbers are Sony's own board designations, so check the code printed on the PCB to…

Schematic PDF for Compal motherboard LA-5752P, 837 KB in size, with no laptop model named in the file title.

Laptop schematics for the Dell Inspiron N5110 based on the Wistron Queen 15 design, in a 1.45 MB PDF.

Samsung NP550P5 schematic, project name McLaren 15, delivered as a PDF with BA41 marked in the name.

Schematic document for the Sony VAIO VGN-AR71MR notebook, supplied as a 1.17 MB PDF. No motherboard MBX number or revision appears in the name, so compare the board code…

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

Circuit diagrams for the Nokia E70, the fold-out keyboard handset, in a 1.80 MB PDF file.

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 3100 circuit schematic in a compact 278 KB PDF. The name holds only the model number, without revision or board code, so confirm the drawing matches your phone.

Lenovo E40 circuit diagram as a 1.38 MB PDF, whose name states the model alone. Board number, designer and revision should be read from the pages, and a similarly sized…

PDF schematic for the IBM ThinkPad X61, 1.42 MB, with no board number or revision stated in the name.

Schematic for the W3V-A board, provided as a 1.55 MB PDF, where the A suffix likely marks a variant although the name does not say so.

Schematic for the UL50AT, a 1.23 MB PDF whose name states only this model code, without brand, board number or revision.

Circuit diagram for the K42JR notebook motherboard in PDF format, 2.30 MB. The name holds only the model code, without a revision or board number, so the title block and…

Schematic PDF of 672 KB whose name only gives C660, most likely a model designation, with no brand, board number or revision stated, so the exact device has to be…

ASUS repair guide for the K53SV notebook, provided as a 593 KB PDF and filed as a schematic.

ASUS repair guide for the K43SV notebook in a 630 KB PDF, filed in the schematic category.

Schematic in PDF titled only N5110, 1.45 MB, with no brand, board number or revision given in the name.

Quanta TT9 laptop motherboard schematic at revision R1A, delivered as an 820 KB PDF. Quanta manufactures notebooks for several brands and identifies boards with project…

Datasheet for the Microchip PIC16LC74B, a compact 615 KB PDF. The LC prefix indicates the low-voltage version of the PIC16C74B, with an extended supply range suited to…

Microchip datasheet for the PIC16F87xA family of 8-bit flash microcontrollers, supplied as a 3.92 MB PDF.

Datasheet in PDF format numbered 6262, about 1.05 MB, with no part number or brand stated in the file name.

Schematic for the board LA-L99GP, compressed in a 4.09 MB RAR archive; the LA- code is the Compal numbering scheme, though the name does not state the laptop brand or…

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…

Schematic PDF for the Bitland BM5688 board, a design from the ODM Bitland, which builds laptops and tablets for various brands.

Schematic diagram for the Gigabyte GA-B250M-D2V desktop motherboard, revision 1.0, in a 1.33 MB PDF.

PDF reference for the 74HC595, an 8-bit shift register with storage latches and three-state outputs, at 367 KB, filed under schematics.

Large 962 KB PDF for the LM324P, the quad operational amplifier in a plastic DIP package, as the P suffix commonly indicates.

Small PDF of 92.1 KB filed under schematics, though its name is simply the part number 2SD1998, so it is almost certainly a component datasheet rather than a board…

Component document for the 2SK2745 in PDF form, 399 KB, filed as a schematic. Because 2SK is the Japanese JIS prefix for N-channel field-effect transistors, the file…

2SK1841 documentation in PDF form, 90.4 KB in size and listed as a schematic. The 2SK designation in the Japanese JIS system indicates an N-channel FET, so expect…