Schematic covering the ASUS A42J and K42JR notebooks, a 2.30 MB PDF. Both model names appear in the file name, implying a shared mainboard design, but no board number or…

Service manual in PDF form for the Samsung GT-C3510 mobile phone, about 4.71 MB. Samsung service manuals of this era usually combine disassembly steps, exploded views…

Schematic file with an uninformative messaging-app style name and no extension, 2.15 MB, linked to Quanta board number DA0X8MMB6D0.

PDF schematic for the HP nx6320 laptop, around 1 MB in size. The name gives no motherboard number or revision, so compare the board identifier printed on the PCB before…

Quanta UT8A motherboard schematic in PDF form, about 1.14 MB. The name gives the Quanta project code UT8A but not the laptop brand or a board revision.

Schematic diagram for the Samsung NP-R423 laptop, supplied as a PDF of about 1.1 MB. Apart from the model, the name carries no board code name or revision, so confirm…

Reference PDF for the HCF4050B, a non-inverting hex buffer from the CMOS 4000 family, as the file name itself states.

PDF reference, 218 KB, for the LA7286, an IC from the LA series, a prefix associated with Sanyo linear integrated circuits.

PDF titled only with the part number D304X, about 489 KB, filed as a schematic. The name gives no further detail on device type or manufacturer, so the contents are most…

Although filed as a schematic, this 37.9 KB PDF is named after 2SD2460 with an extra E tag the name does not explain.

This 170 KB PDF carries the part number 2SJ502 and is indexed under schematics. In JIS naming, 2SJ marks a P-channel FET, so the document is expected to be the datasheet…

Listed under schematics, this 94.5 KB PDF carries only the designation 2SJ276. Under the JIS system the 2SJ prefix belongs to P-channel FETs, so the file is almost…

The 90.8 KB PDF is named only 2SJ273, a part number in the JIS series used for P-channel FETs.

Filed as a schematic, this 86.2 KB PDF is named after the 2SJ229, a Japanese JIS-registered part number where the 2SJ prefix denotes a P-channel field-effect transistor…

Reference sheet for the 2SC5784 transistor, a 178 KB PDF listed under schematics. Under Japanese JIS numbering a 2SC code denotes an NPN bipolar transistor intended…

Reference PDF for the 2SC5504 transistor, 48.9 KB, categorised as a schematic. Following JIS naming, the 2SC code denotes an NPN bipolar device, so this file is best…

Small PDF of 47.2 KB titled only with the part number 2SC5414, filed under schematics although the name points to a component document.

Component datasheet for the 2sb1580, 64.2 KB in PDF and indexed as a schematic. The 2SB prefix comes from the JIS standard and indicates a PNP bipolar transistor for…

PDF of 41.0 KB for the 2SB873, with an _E suffix whose meaning the name does not explain.

Reference sheet for the 2SA1300 transistor, supplied as a 207 KB PDF and filed under schematics in this index.

Small 81.5 KB PDF named after the 2SA1724 part number and filed under schematics. Nothing else in the name identifies a product or circuit board.

Part number 2N5551 is the sole identifier of this 74.3 KB PDF, listed as a schematic. Under the JEDEC 2N scheme the file is most plausibly a datasheet for the discrete…

Part number 1T409 is the only information in the name of this 49.5 KB PDF, which is catalogued as a schematic.

The file is a 56.2 KB PDF listed under schematics and labelled 1T408, with nothing else in the name to tie it to a specific product or board.

Part number 1SS196 gives this 68.1 KB PDF its name, which marks it as a datasheet for a single semiconductor rather than a full circuit diagram.

Named simply 80SQ, this 125 KB PDF is indexed as a schematic, but the code looks like a series designation for a rectifier diode family rather than a circuit diagram…

Small 34.5 KB PDF filed as a schematic and named 78P7200-IH. The name gives no laptop model or board number; it looks like an integrated circuit part number with a…

A small PDF of 48.8 KB indexed under schematics, whose name points to a 44-lead PLCC package, most likely a package outline or socket drawing rather than a full circuit…

Section two of the 16M-DRAM document set, a 1.27 MB PDF, one of the larger parts and likely holding detailed diagrams or tables.

Opening part of a five-piece 16M-DRAM PDF collection, 1.26 MB, classified as a schematic.

Schematic for the Quanta ZAW project, motherboard DA0ZAWMB8G0 revision G, marked r1A, supplied as a PDF inside a 2.49 MB RAR.

Lenovo IdeaPad Y510 schematic supplied as a 1.26 MB PDF. The name has no board number or revision, so identify the board from the title block and confirm that it matches…

H61MX motherboard schematic supplied as a PDF inside a RAR archive, roughly 1.82 MB. The name carries only the model, with no revision or brand, so match it against the…

Clevo schematic for board 6-71-NH5K0, revision D02A, delivered as a 7.74 MB PDF with a leading 909764510 reference number.

Zip archive containing the schematic for the MSI MS-7302 board, revision 1.0 by the file name.

Schematic diagram for the Motorola XT1802, delivered as a 3.40 MB PDF. A phone schematic lets a technician follow power rails from the PMIC, trace charging, USB, display…

Portuguese-language handout on basic electronics, filed under schematics although the name points to a study booklet rather than a circuit diagram of a specific device.

Second chapter of a Spanish course introducing cellular phones and their technology, saved as a 503 KB PDF.

Small 540 KB PDF for the Compal-numbered LA-F312P motherboard; BDV in the name suggests boardview-style content, probably a component placement layout rather than a full…

Circuit diagram for the Quanta ZC3 laptop mainboard, a 1.59 MB PDF that opens in any PDF reader.