Combined schematic for the Quanta LX3 and LX5 boards, revision R1A, in a 1.39 MB PDF. The shared file suggests the two project codes are variants of one design, with…

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…

Samsung Galaxy S5 SM-G900S document, a 12.3 MB PDF carrying schematic material for the Korean-market S5 variant.

Service manual revision 1.0 for the Samsung SGH-L170 mobile phone, a 3.61 MB PDF. Such manuals usually combine disassembly instructions, exploded views, parts lists…

Schematic PDF for the Lenovo LCFC NM-E791 motherboard, revision 1.0. At only 337 KB it may be a partial or heavily compressed document, so check its page count.

Schematic diagram for the ASUS M3400QA laptop motherboard, revision 2.0, in a 3.28 MB PDF.

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…

Datasheet PDF, 312 KB, for the LM324 quad op amp, listed in the schematic category without a manufacturer in the name.

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 compact 36.0 KB PDF for the 2SD1949 transistor. The 2SD prefix in the JIS system designates an NPN device for low-frequency circuits, so the content is expected to be…

At only 34.4 KB, this PDF is a short reference for the 2SD1913 transistor. Under Japanese JIS part numbering the 2SD prefix identifies an NPN device for low-frequency…

A small 40.3 KB PDF for the 2SK2867, filed as a schematic; the modest size suggests a short datasheet or summary page. The name contains nothing but the part number.

Datasheet-style PDF, 379 KB, for the 2SK1486 N-channel FET, going by the Japanese 2SK type prefix in the file name.

Compact 30.7 KB PDF covering the 2SJ628, catalogued as a schematic but most likely a single-device datasheet given the part-number name.

Datasheet-style document for the 2SJ227, stored as an 85.3 KB PDF and indexed in the schematic category.

Compact 32.0 KB PDF for the 2SC4747, categorized as a schematic in this index. The part number follows the JIS convention, in which 2SC denotes an NPN bipolar…

The 2SC5588 is covered by this 332 KB PDF document. Apart from the part number the name gives no detail, so maker and revision are unknown until the file is opened.

A small 37.1 KB PDF named in lowercase after the 2SC4137, labelled as a schematic but most plausibly a concise datasheet for that part.

A brief 38.9 KB PDF named after the 2SC4119, filed as a schematic but most likely a short datasheet for that transistor.

Datasheet-style PDF for the 2SC5646 transistor, 31.7 KB, placed in the schematic category.

PDF of 34.7 KB for the 2SA821S, one of the smallest documents in this group, with only the part number in its name.

A short 87.3 KB PDF for the 1SS403. It sits in the schematic category but reads as a component datasheet, because 1SS is the Japanese designation family for small-signal…

Covering the 1N746A to 1N759A range, this 74.3 KB PDF is a family datasheet for a series of JEDEC zener diodes, although the index files it as a schematic.

At 377 KB this is the largest of a group of PDFs named after 1N part codes; this one is 1N1183, a JEDEC style diode designation, so it is most probably a datasheet even…

A very small 12.3 KB PDF catalogued as a schematic and titled 27LV256-20I, a low-voltage 256 Kbit EPROM part number with what appears to be a 200 ns speed and industrial…

Here is a 323 KB PDF named for the 25AA040, 25LC040 and 25C040, a Microchip family of 4 Kbit SPI serial EEPROMs; despite the schematic label it is a datasheet.

A 333 KB PDF datasheet for the 24AA16 and 24LC16B, 16 Kbit serial EEPROMs using the I2C bus.

A 309 KB PDF listed under schematics and identified only by the code 22DGQ045. No device model, board number or revision appears in the name, and the string looks more…

Schematic PDF of 328 KB whose name, 8CLJQ045, reads like a component or part code and gives no laptop model, brand or board number.

Schematic in PDF form, 1.32 MB, for the UL20A according to its short name. No revision or board number beyond that code is stated, so read the cover page to confirm the…

Schematic PDF for the Dell T1700 motherboard, platform name Amazon MT, revision A00, with a 2013-01-29 date code in the title, about 2.30 MB.

Topic 6 of a Spanish smartphone repair course, focused on diagnosing and solving hardware faults, in a 308 KB PDF. No model or board number is stated.

Opening topic 1 of a Spanish course on mobile telephony fundamentals, a 343 KB PDF. No phone model or brand appears in the name.

Small PDF of about 3 KB titled as a DC power supply amperage guide, indexed as a schematic but likely a reference sheet rather than a board diagram.

Audio page of the Samsung SM-A30S (Galaxy A30s) schematic, covering microphone, loudspeaker and earpiece circuits, saved as a 4.30 MB PDF.

Front camera schematic for the Samsung SM-A21s, PDF, 3.82 MB. It shows the selfie camera connector together with its power rails and data connections to the main board.

Schematic in PDF form, 3.09 MB, for the Lenovo ThinkBook 14s Yoga Gen 2 laptop built on Compal board LA-M062P.

Schematic in PDF format named only with the number 17823, with no brand or model stated.

Exploded view diagram for the Samsung SM-S901U, the US Galaxy S22 model, as a 3.53 MB PDF.

Schematic PDF for MSI graphics board MS-V328 at revision 9.0, about 1.3 MB. MS-V is the code MSI assigns to its video card PCBs, though the GPU model is not stated in…