Orientation diagram in PDF for Apple logic board 820-01987, revision 06. A drawing like this shows how chips and polarised parts are oriented on the board, with pin-one…

Schematic for an ECS board named G41MD, provided as a PDF of about 936 KB. The G41 prefix refers to the Intel G41 chipset, used on many budget desktop boards.

Schematic for a G33M motherboard, provided as a PDF of about 1.20 MB, with no brand or revision given in the name.

Foxconn 915A01 desktop motherboard schematic in PDF, a board whose model code suggests the Intel 915 chipset generation, catalogued under ECS.

MS-7C35 revision 1.1 circuit schematic from MSI, provided in PDF format inside a RAR archive.

Quanta ZL2 board schematic at revision C for the Acer TravelMate 4100 notebook, supplied as an 898 KB PDF.

Schematic in PDF format for a TV mainboard identified as TP.MT5522S.PC822, about 1.5 MB.

Acer Aspire 4741G schematic in PDF, Wistron-style board number 09920-5, with the HM42 chipset (likely the HM55-class platform variant) stated in the file name.

Schematic PDF for Inventec board 6050A2491301-MB-A03, packed in a 1.32 MB rar. The name carries no laptop model, though this number appears elsewhere in the index…

PDF schematic of the Gigabyte GA-H81M-HD3, revision 1.06, compressed into a 650 KB RAR.

PDF schematic for the Gigabyte GA-B85M-D3H-AE motherboard, revision 1.2, compressed to 864 KB.

Physical scanning diagram for the iPhone 11 Pro and 11 Pro Max, supplied as a RAR archive just under 1 MB.

Document on building a transmission line loudspeaker enclosure, a 498 KB PDF filed among schematics.

PCB document for an R2 power amplifier listed at 1000 watts, as a 3.50 MB PDF. The larger size suggests detailed artwork, possibly with both layers or component…

Document named f970, attributed by name to its author yahya, provided as a 3.14 MB PDF.

PDF schematic labelled BCi with the year 2012, most likely an amplifier design from the same family as other BCi drawings, though the name itself states no power rating…

Merged PDF of application circuits for the STK41XX series, the Sanyo thick-film hybrid power amplifier modules used in many audio systems and mini components.

Schematic for the 60 W NDFL amplifier published by ETI in 1983, combined with a regulated power supply, in a 6.74 MB PDF.

Power supply schematic for a chip amplifier, provided as a 497 KB PDF with a source tag in the name.

Lexicon MX200 documentation in PDF format, about 1.22 MB, indexed as a schematic for this dual reverb and effects processor.

Service manual for the Lexicon MPX 500 effects processor, a 5.73 MB PDF. Lexicon service documents usually include theory of operation, schematics, board layouts, parts…

Schematic in PDF form for the ASUS P8B75-V desktop motherboard, packed in an 889 KB RAR archive.

PDF schematic for the Biostar N61PB-M2S motherboard version 6.4, compressed into an 815 KB RAR and indexed under ECS.

PDF schematic for the Lenovo ThinkPad T14, drift variant, on board NM-C801, in a 1.93 MB RAR.

PCB teardown document for the Samsung Galaxy A01 Core, model SM-A013F, in a 353 KB PDF.

Schematic in PDF form inside a RAR archive for LCFC board NM-D711, used in Lenovo laptops. The name does not give the exact model.

Inventec schematic in PDF for the Rotterdam 10 project, RT10 CS build, board 6050A2284301, dated 20091103 and marked MP, meaning mass-production release.

Schematic for the Huawei P30 Lite, a compact 2.77 MB PDF. The modest size suggests a selected set of pages rather than a complete service manual, so check which circuits…

Pegatron schematic for the board named MILLER with code MI4FA, supplied as a PDF inside a 3.44 MB RAR.

Gigabyte GA-H77-D3H-MVP revision 1.1 schematic, delivered as a PDF in a RAR file. It describes this H77 chipset board's power delivery, memory supply, chipset rails and…

Laptop schematic for the Quanta board DAY12AMB6D0, project code Y12A, supplied as a PDF compressed in a 2.56 MB RAR archive.

Quanta ZHT schematic at revision 1A for motherboard DA0ZHTMB6F0, supplied as a PDF inside an 855 KB RAR archive.

Washing machine repair guide attributed to P. Mevada, a 401 KB PDF with no brand or model named.

Schematic for the Gigabyte GA-G41MT-ES2L desktop board, revision 1.3 per the R13 token, supplied as a PDF inside a RAR archive.

Schematic PDF of 1.56 MB whose name refers to U99 and U93, suggesting a document covering both model codes; no brand, board number or revision is given.

Schematic in PDF format named T42, 1.08 MB, pointing to the T42 notebook design; brand, board number and revision are not stated in the name.

A 986 KB PDF schematic for a design named T30, with no brand, board number or revision indicated in the file name.

Circuit diagram for a Sony laptop mainboard identified as GD1A, supplied as a PDF of about 733 KB.

PDF schematic covering Sony VAIO boards in the MBX-239 and MBX-240 range, as the name groups both numbers together, likely because they share one design.

PDF schematic for Sony VAIO board MBX-194, tagged with project code M780. At about 1 MB it gives the circuit sheets needed for diagnosing no-power, charging and display…