Brand
Format
Device
- Name Type Board Source Added Size
- BD136, BD138, BD140
Reference PDF for the BD136, BD138 and BD140 transistor series, catalogued as a schematic but in practice a component datasheet of 51.2 KB.
Schematic · 51.2 KB · 8 Aug 2026Schematic pdf—51.2 KB - BD135, BD137, BD139
Combined data document for the BD135, BD137 and BD139 transistors, filed under schematics, 51.0 KB in PDF form.
Schematic · 51.0 KB · 8 Aug 2026Schematic pdf—51.0 KB - BC640 pnp -80V -500mA
Data sheet for the BC640 PNP transistor, with the file name noting ratings of minus 80 V and minus 500 mA, catalogued as a schematic and stored as an 88.9 KB PDF.
Schematic · 88.9 KB · 8 Aug 2026Schematic pdf—88.9 KB - bc557 pnp -50V -100mA
PDF sheet for the BC557 general-purpose PNP transistor, the name giving its minus 50 V and minus 100 mA limits, filed under schematics at 45.8 KB.
Schematic · 45.8 KB · 8 Aug 2026Schematic pdf—45.8 KB - bc557 pnp -50V -100mA
Duplicate copy of the BC557 PNP transistor data document, the name stating minus 50 V and minus 100 mA ratings, 45.8 KB PDF identical in size to the other copy in the…
Schematic · 45.8 KB · 8 Aug 2026Schematic pdf—45.8 KB - BC517 NPN Darlington 500mA 30V
Component data for the BC517 NPN Darlington transistor, the name giving ratings of 500 mA and 30 V, catalogued under schematics as a 111 KB PDF.
Schematic · 111 KB · 8 Aug 2026Schematic pdf—111 KB - BC517 NPN Darlington 500mA 30V
Second copy of the BC517 NPN Darlington transistor datasheet, rated 500 mA and 30 V according to the name, also 111 KB in PDF form.
Schematic · 111 KB · 8 Aug 2026Schematic pdf—111 KB - BC328 pnp -30v -800mA
PDF data for the BC328 PNP transistor, the name listing minus 30 V and minus 800 mA ratings, filed under schematics at 53.5 KB.
Schematic · 53.5 KB · 8 Aug 2026Schematic pdf—53.5 KB - BC328 pnp -30v -800mA
Duplicate of the BC328 PNP transistor document, rated minus 30 V and minus 800 mA per the name, in a 53.5 KB PDF identical in size to its companion copies.
Schematic · 53.5 KB · 8 Aug 2026Schematic pdf—53.5 KB - AO3401 -30V -4A
Datasheet for the AO3401 P-channel MOSFET, the name stating minus 30 V and minus 4 A ratings, filed under schematics as a 498 KB PDF.
Schematic · 498 KB · 8 Aug 2026Schematic pdf—498 KB - 3DD304X
Document for the 3DD304X, stored as a 489 KB PDF and catalogued under schematics, though the name suggests a component datasheet.
Schematic · 489 KB · 8 Aug 2026Schematic pdf—489 KB - 2SK3569 dataseet
PDF document for the 2SK3569 component, catalogued as a schematic although the misspelled name indicates it is really a datasheet for this N-channel FET from the 2SK…
Schematic · 156 KB · 8 Aug 2026Schematic pdf—156 KB - 2sk2740
Small PDF reference named only by the part number 2SK2740, filed as a schematic but most likely the component datasheet for this 2SK-series N-channel FET.
Schematic · 148 KB · 8 Aug 2026Schematic pdf—148 KB - 2SK2043
PDF of about 105 KB named after the 2SK2043 transistor, catalogued as a schematic although it is likely the part datasheet.
Schematic · 105 KB · 8 Aug 2026Schematic pdf—105 KB - 2SD1877
PDF identified only by the part number 2SD1877, listed as a schematic but in practice a datasheet for this 2SD-series NPN bipolar transistor.
Schematic · 89.2 KB · 8 Aug 2026Schematic pdf—89.2 KB - 2SD1651
Short 46 KB PDF named only 2SD1651, classified as a schematic but almost certainly the datasheet for this NPN bipolar transistor from the 2SD family.
Schematic · 45.7 KB · 8 Aug 2026Schematic pdf—45.7 KB - 2SD1453
Reference PDF for the 2SD1453 transistor, catalogued as a schematic though the name points to a part datasheet.
Schematic · 57.5 KB · 8 Aug 2026Schematic pdf—57.5 KB - 2SD1427
PDF of 129 KB for the 2SD1427, an NPN bipolar transistor in the 2SD series, indexed as a schematic but most likely a datasheet. The name gives no ratings or package.
Schematic · 129 KB · 8 Aug 2026Schematic pdf—129 KB - 2SD951
PDF named 2SD951, filed as a schematic but in all likelihood the datasheet for this 2SD-series NPN bipolar transistor; at 267 KB it may include scanned pages or extra…
Schematic · 267 KB · 8 Aug 2026Schematic pdf—267 KB - 2SD869
Document for the 2SD869 transistor, catalogued as a schematic though the name only gives a part number, so it is most likely the datasheet.
Schematic · 194 KB · 8 Aug 2026Schematic pdf—194 KB - 2SD200
PDF reference for the 2SD200, a part from the 2SD range of NPN bipolar transistors, indexed as a schematic but probably a datasheet; the name states nothing beyond the…
Schematic · 74.4 KB · 8 Aug 2026Schematic pdf—74.4 KB - 2sc5149
Small PDF named after the 2SC5149, catalogued as a schematic yet most likely the transistor datasheet.
Schematic · 198 KB · 8 Aug 2026Schematic pdf—198 KB - Lenovo Legion Y540 15IRH LCFC NM C221 REV;2 0 SchematicPDFPKSchematic · NM-C221 · 3.16 MB · 8 Aug 2026Schematic pdf3.16 MB
- DELL LA-F612P REV;1.0 Schematic(PDF)PKSchematic · LA-F612P · 4.71 MB · 8 Aug 2026Schematic pdf4.71 MB
- MS-14B2 VER 0A MS-14B21 REV;A Schematic(PDF)PKSchematic · MS-14B2 · 1.22 MB · 8 Aug 2026Schematic pdf1.22 MB
- MS-14B2 VER 10 MS-14B21Schematic(PDF)PKSchematic · MS-14B2 · 1.62 MB · 8 Aug 2026Schematic pdf1.62 MB
- Lenovo AIO 3-22ADA6,LA-K901P REV 1.0 BoardView(PDF)PKSchematic · LA-K901P · 341 KB · 8 Aug 2026Schematic pdf341 KB
- COMPAL LA-K901P REV;1.0 Schematic(PDF)PKSchematic · LA-K901P · 1.62 MB · 8 Aug 2026Schematic pdf1.62 MB
- Wistron LS710 15238-1 Schematics
ZIP archive of schematics for the Wistron LS710 motherboard, board number 15238-1, the design used in the Lenovo IdeaPad 710S series.
Schematic · 15238-1 · 1.16 MB · 7 Aug 2026Schematic zip1.16 MB - 330S KBL MB V06 REV;MP 431204223050 Schematics
Schematics in a 13.8 MB PDF for a board marked 330S_KBL_MB, version V06 at MP revision, carrying the code 431204223050.
Schematic · 13.8 MB · 7 Aug 2026Schematic pdf—13.8 MB - LENOVO
Lenovo laptop schematic with a nondescript name, identified in the index as Wistron board 15238-1; its 1.15 MB size matches the IdeaPad 710S-13ISK diagram listed…
Schematic · 15238-1 · 1.15 MB · 7 Aug 2026Schematic pdf1.15 MB - X553MA RG
Schematic diagram in PDF for the ASUS X553MA laptop, with an RG suffix in the name whose meaning is not stated.
Schematic · 1.17 MB · 7 Aug 2026Schematic pdf—1.17 MB - 330S KBL MB V06 REV;MP 431204223050 Schematic(PDF)PKSchematic · 13.8 MB · 7 Aug 2026Schematic pdf—13.8 MB
- PDF-XChange Editor Plus 10.8.5.410Schematic · 380 MB · 7 Aug 2026Schematic rar—380 MB
- LENOVO~1Schematic · 15238-1 · 1.15 MB · 7 Aug 2026Schematic pdf1.15 MB
- Asus G512LI G712LI Rev 2.0 Schematic
Schematic package for the ASUS ROG Strix G512LI and G712LI gaming laptops, which share one mainboard design here, at revision 2.0.
Schematic · 14.8 MB · 6 Aug 2026Schematic rar—14.8 MB - LENOVO Thinkpad P1 Gen2 18809-1 Schematic(PDF)PKSchematic · 18809-1 · 2.65 MB · 6 Aug 2026Schematic pdf2.65 MB
- BOLT-L UMA 17938-1 FW8G6 18790-1 Schematic(PDF)PKSchematic · 17938-1 · 8.88 MB · 6 Aug 2026Schematic pdf8.88 MB
- DA0XW3MBAG0 REV GSchematic · DA0XW3MBAG0 · 3.30 MB · 6 Aug 2026Schematic pdf3.30 MB
- QUANTA-G3ECSchematic · 2.02 MB · 5 Aug 2026Schematic pdf—2.02 MB
About schematics
A schematic is the electrical drawing of a board: it shows how every chip, MOSFET, coil and connector is wired, which rail feeds which circuit, and what voltage or resistance you should measure at each test point. It is the document you need to trace a missing rail or a short.
Schematics are published per board, not per laptop model. The same Compal LA-E891P board can sit in several HP models, so always search by the board number printed on the PCB rather than by the sticker on the case.