Xiaomi POCO M3 schematic in PDF, labelled as the network section. It should cover the RF and baseband side of the phone, useful when diagnosing no-signal, no-service or…

PDF schematic for an active subwoofer project designated PSW500, a 284 KB document credited to Rat Net, whose name describes it in Spanish as an active subwoofer.

Sony schematic carrying the MX2 designation with the 1207 and 1208 numbers, which look like internal date or version codes; the name gives no retail model, MBX board…

Cellular network section of the Samsung SM-A11 schematic, saved as a 4.33 MB PDF. It covers the RF transceiver area, power amplifiers, antenna switches, filters and the…

Cellular network section of the Samsung Galaxy A02s (SM-A02S) schematic in PDF format, 3.70 MB.

Network RF section of the Samsung SM-A10 schematic, a 2.25 MB PDF. It follows the cellular radio chain from transceiver through power amplifiers, antenna switch and…

Network or RF section from the Samsung Galaxy A30s (SM-A30S) schematic collection, as a 4.29 MB PDF file.

Network and RF section schematic for the Samsung SM-A23, a 2.78 MB PDF from a series of per-function sheets.

Cellular network section schematic for the Samsung SM-A22 5G, a 5.26 MB PDF. It covers the RF chain, including transceiver, power amplifiers, antenna switches and the…

Schematic for the PMA400 Lambda amplifier, a 400 W audio power amp design credited to Rat Net, supplied as a 477 KB PDF.

Network section schematic for the Samsung SM-A21s, a smaller 1.93 MB PDF. It covers the cellular radio part of the board, typically the RF transceiver, power amplifiers…

Schematic in PDF form for a stereo preamplifier with a loudness control, a common DIY audio circuit that boosts bass and treble at low listening volume.

Network section of a smartphone schematic in PDF, part of a sectioned set of around 4.78 MB per page; the device model is not given in the name.

Network (cellular RF) portion of the Samsung SM-A20S schematic in PDF form, 4.63 MB. The pages cover the radio front end, power amplifiers, antenna switches and the…

Network and cellular RF section of the Samsung Galaxy A12 (SM-A12) schematic, 3.40 MB PDF.

Updated schematic for the IRS D900 class D amplifier, rated from 200 to 500 W and credited to Rat Net, in a 423 KB PDF.

PDF schematic for a board designated Z37S, about 2.34 MB in size. No brand, model or revision is given in the name, so the board code on the PCB must be checked against…

Netbook schematic named NB300-305, a 483 KB PDF, which most likely corresponds to the Toshiba NB300 and NB305 series although the file name itself gives no brand, board…

Schematic in PDF form for the IBM ThinkPad R40 notebook, around 1.45 MB. No board number or revision is given in the name, so check the drawing's title block against the…

Samsung NP-Q1 schematic stored as a 1.10 MB PDF; the name gives only the model and no motherboard number or revision.

Schematic for the ASUS N10I and N10J netbooks, revision 1.0, in a 2.57 MB PDF. The shared document indicates the two variants use a common board design, but small…

Schematic set for the MSI MS-7B85 motherboard, revision 1.0, packed as PDF documents inside a RAR file of around 1.5 MB.

Schematic diagram of the Quanta AT1 notebook motherboard in PDF form, 1.76 MB. The file name carries no revision or brand detail, and its size differs from other AT1…

Schematic set in PDF form for ECS desktop motherboards Q77H2-AM2 and B75H2-AM2, delivered as a 1.74 MB RAR.

PDF schematic for the ASUS F83VF notebook, revision R1.1. It documents the motherboard circuits page by page, letting a technician follow the charger, standby and main…

Compal LA-8681P laptop mainboard schematic, revision R1.0, delivered as a 1010 KB RAR file.

Collection of schematics for Sony VAIO VPC-W series netbooks, covering the VPC-W215A, VPC-W217JC and VPC-W211AXSY3 models, compressed into a 524 KB RAR.

Full circuit schematic in PDF for the ASUS FX505DY motherboard, revision 2.0 according to the file name.

Schematic for the ThinkPad R60 laptop, supplied as a 1.63 MB PDF. The name states only the model, so the board revision must be checked on the PCB before matching parts.

Samsung Galaxy J2 schematic for the SM-J200F model, supplied as a 746 KB PDF. Technicians rely on such diagrams to trace supply rails, identify the charging IC and its…

Circuit diagram for Apple logic board 820-01598, labelled J213 and X1536, a 2.64 MB PDF schematic.

Schematic for the Lenovo Y510 laptop in PDF format, about 1.26 MB. The name gives no board number or revision, so read the ODM code printed on the motherboard and…

Schematic for the Gigabyte GA-F2A55M-DS2 motherboard, revision 1.02, as a PDF. The board is based on the AMD A55 chipset for FM2 APUs.

PDF schematic named only SY3, a 551 KB document without any brand, model or revision information in its name, so its identity must be confirmed from the title block…

Sony VAIO motherboard schematic for board MBX-217, with M851 as the design project code, supplied as an 847 KB PDF.

Schematic PDF for the ASUS SP4BGL-MX board, revision 1.00, 661 KB. The name gives only the board code and revision, without a product series.

PDF schematic of 1.16 MB for a device named A3000. The name gives no brand, board number or revision, so confirm the model against the hardware before relying on part…

Apple schematic in PDF form for logic board 820-3023, revision A judging by the trailing letter, about 1.29 MB.

Schematic in PDF for the ASUS X555LI, 1.22 MB, with an RG suffix in the name that is not explained.

Schematic PDF for the Samsung NP-N102 netbook, roughly 2.15 MB. The name states no board number or revision, so compare the board code printed on your PCB with the title…