Gigabyte GA-Z170X-Gaming 3 schematic covering board revision 1.01, in PDF format inside a RAR archive of about 1.23 MB.

Regulated power supply for a preamplifier, drawn in a 601 KB PDF schematic with a source tag in the name.

Schematics for the Nokia X2-00 mobile phone, type RM-618, version 1.0, in a 3.77 MB RAR archive.

PDF schematic of roughly 943 KB labelled TAS6514AL, a name that matches the Texas Instruments TAS series of automotive class-D audio amplifier ICs; no product, board…

Lenovo S560 mobile phone repair pack holding a schematic diagram and a service manual, compressed into a small 238 KB RAR.

Circuit diagram and service manual for the Lenovo P700I, compressed into a 600 KB RAR archive.

Schematic diagrams for the original Xiaomi Mi 2 phone, compressed into a 1.87 MB ZIP. The name lists no board number or revision and does not mention the later Mi 2S, so…

Troubleshooting guide for the Motorola Moto E5 and Moto E5 Play, a 1.65 MB PDF. Motorola guides of this kind usually give fault-finding flows for no power, charging…

Schematic of the main logic board for the iPhone 8 Plus, identified in the name by its D21 code, in a 1.91 MB PDF. MLB stands for main logic board.

Circuit schematic for the Xiaomi Mi 5 smartphone, the Chinese file name reading Xiaomi 5 circuit schematic, in an 857 KB PDF.

Motherboard schematic for a G31M-S2C board, with R11 most likely meaning revision 1.1, supplied as a PDF.

PDF schematic for the Samsung Galaxy SM-A720F, 3.58 MB, describing the handset's main board design.

Circuit diagram for the Samsung Galaxy Mega, model GT-I9200, supplied as a 5.99 MB PDF. The name gives no board revision.

Schematic for the Samsung E1085L, a basic feature phone, in an 852 KB PDF file. Only the model appears in the name, without a board revision.

Schematics for the Nokia N8 in a 6.23 MB PDF file. The name lists no hardware revision, so compare the board version on the PCB before trusting component numbering.

Schematic package for the Nokia 6600 smartphone, presented as a 3.25 MB PDF. The diagrams cover the circuitry that a repair technician needs for board-level work: power…

Schematic documentation for the Nokia N78, provided as a 679 KB PDF. The drawings help a repair technician trace the battery and charging lines, power management…

Nokia 5120 schematic diagrams in a 432 KB PDF. Only the model name is provided, with no board number or revision.

Troubleshooting section of the service documentation for the Samsung GT-S7580 Galaxy Trend Plus, supplied as a 3.08 MB PDF; TSHOO is Samsung shorthand for…

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…

Datasheet PDF for the BD234, only 49.2 KB and indexed as a schematic. The BD234 is a medium-power PNP transistor in a plastic package, commonly paired with a…

The 2SD1908 transistor is documented in this 85.8 KB PDF, which the index files as a schematic, although a JIS part number like this normally indicates a datasheet.

Samsung SM-A11 schematic section for the headset (handsfree) jack, provided as a 4.32 MB PDF.

Schematic PDF with an uninformative name, IO, which suggests an input/output or daughter board but states no device, brand or board number.

PDF schematic, about 4.5 MB, for the AOC T2965M television, a model identified by its code in the file name.

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

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.

Simple preamplifier schematic built around the NE5532 dual low-noise op-amp, a 405 KB PDF; the extra tag in the name only marks the source site.

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

Schematic in PDF for the GA-H77N-WIFI, labelled revision 1.01, a Gigabyte Mini-ITX board, archived as 640 KB RAR.

Schematic PDF for a Philips 32PFL3xxx television on the TP.VST59S.P89 chassis, 3.33 MB, with T3 in the name indicating a variant.

Schematic for the Gigabyte GA-B250M-DS3H desktop motherboard, revision 1.0, as a PDF packed in a ZIP archive.

Circuit schematic and service manual for the Lenovo A520 smartphone, compressed as a 695 KB RAR file.

Circuit schematic for the Alcatel One Touch OT-806D mobile phone, compressed in a small RAR archive of about 206 KB.

Schematic for the Fujitsu Siemens Esprimo V6535 notebook, provided as a 1.06 MB PDF. The name carries only the model, without a board number or revision, so match the…

Service manual for the Xiaomi Redmi Note 3, model code 3Z, a 9.52 MB PDF. Phone service manuals usually cover disassembly steps, exploded views, spare part lists…

Samsung SM-C7000 schematic in PDF format, 4.95 MB, with repair-team tags in the name. The circuit sheets should show the PMIC, charging path, display and touch…

Apple iPhone 4S schematic in PDF format, 1.34 MB in size. The name states only the phone model, without a board number or revision.

Small 113 KB PDF for an Acer device, labelled with the Compal LS-5673P number, with the label repeated in the name.

Circuit diagram for the Samsung GT-S7500, provided as a 4.66 MB PDF, with no board revision stated.