Lenovo B490 laptop schematic in PDF format, about 1.95 MB. The name includes the string la4801126410106, which looks like an internal reference or board identifier, but…

Schematic for the Gateway NV54 and NV58 notebooks, Acer group models, built on the Wistron SJV50-MV platform.

Small 9.66 KB PDF for Sony devices titled as a blink code reference, presumably listing the meaning of LED flash patterns shown on failure.

Repair guide PDF focused on the GPU section of the ASUS F8V laptop, judging by the name.

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

Diagram document for the Apple iPhone SE in PDF format, 2.10 MB in size; the name calls it a diagram and gives no board number or revision.

Quanta schematic for the Lenovo IdeaPad U410, project LZ8, revision 1A, board number DA0LZ8MB8E0.

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…

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

Schematic PDF for the Acer TravelMate 5730, tagged with 48.4I601.011. Codes in the 48.4xxxx.0xx format are Wistron board identifiers, and the final digits usually…

Second part of the Nokia N95 schematics, a 2.04 MB PDF; the number in the name implies the full set is split into several files, so locate the remaining parts for…

Small 119 KB PDF containing the first part of the Nokia 6310 schematics, apparently a duplicate copy given the (2) suffix in the name.

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

Schematic for the Nokia 2630, a slim basic handset, in a small 424 KB PDF. The file gives no board revision, so compare the board in hand with the drawings before…

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.

Circuit schematic for the classic Nokia 3310, an 827 KB PDF. The name carries only the model, with no revision or board code.

Schematic of the IBM ThinkPad R32 laptop, provided as a 1.18 MB PDF. The name carries only the model, with no board number or revision noted.

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.

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.

Duplicate copy of the Quanta CT3 board schematic, revision R2A, a PDF of about 1.16 MB.

Schematic for the ASUS K53SV notebook, a 593 KB PDF. The name lists only the model, without mainboard number or revision, so verify the board marking and revision on the…

Schematic for a Sony notebook series with the code 142A25TSVF14 in the name, tied to the Quanta board DA0HK8MB6E0, in a 1.09 MB PDF.

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

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

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.

Document for the 3DD304X, stored as a 489 KB PDF and catalogued under schematics, though the name suggests a component datasheet.

At 312 KB, this PDF for the 2SD2638 is the largest in its series and is probably a full datasheet with curves and outline drawings, though it is filed under schematics.

Datasheet-style PDF for the 5LP02SP, about 42.2 KB and placed in the schematic category.

A 27.1 KB PDF titled with the part code 5LP01SS, stored in the schematic category but evidently a small datasheet.

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.

Filed under schematics, the 39.8 KB PDF 2SD2441 with an E tag refers by its JIS-style 2SD prefix to an NPN bipolar transistor.

A 166 KB PDF for the 2SD1904 transistor, listed here as a schematic but by its name almost certainly the manufacturer data sheet.

Component documentation for the 2SK2920, a 409 KB PDF filed under schematics in this index but almost certainly a part datasheet.

Part reference for the 2SK2862 in a 411 KB PDF, listed under schematics in this index. The name carries only the transistor number.

A 365 KB PDF for the 2SK2859, filed under the schematic type though it is most probably a manufacturer datasheet. Nothing other than the part number appears in the name.

The 2SK2854 transistor is documented in this 125 KB PDF, indexed under schematics but almost certainly a datasheet. The name states only the part number.

A compact 134 KB PDF titled with the part number 2SK2839 and catalogued as a schematic.

A 416 KB PDF covering the 2SK2610, a JIS-designated part whose 2SK prefix identifies an N-channel FET.