Schematic documentation for the HT-S100F soundbar, in PDF format of around 8.40 MB, a model designation used by Sony, though the name gives no revision.

Schematic in PDF format for the Samsung Galaxy J6, model SM-J600F per the J600F code, packed in a 3.54 MB RAR.

Components diagram for the Xiaomi Mi 4C, a 10 MB PDF that shows where parts are placed on the main board.

Schematic document in PDF, 1.24 MB, for the SM6225 processor, with an appended SM62 family tag. No phone model or board revision appears in the name.

Small 92.6 KB PDF bearing only the part number 2SC4219. Although the catalogue lists it as a schematic, the 2SC prefix, the JEITA code for an NPN bipolar transistor…

Schematic archive for the model code A145F, a small 606 KB zip whose name carries only that identifier.

PDF schematic of about 1.73 MB for a Powlicon PL8310D, a device identified only by brand and model in the name, with no board revision listed.

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…

Samsung SM-G850F schematic, a large 14.7 MB PDF. The size suggests detailed circuit sheets and possibly layout pages showing where components sit on the board.

Troubleshooting chapter for the Samsung GT-S7580 and GT-S7582 phones, section 7 of the service manual, in a 3.08 MB PDF.

Listed in the schematic category, this 139 KB PDF named 27c020 is in fact best read as a datasheet for a 27C-series CMOS EPROM.

PDF boardview for the Gigabyte GA-F2A55M-DS2, revision 1.01. The drawing shows component placement and reference designators for this AMD A55 chipset FM2 motherboard and…

PDF document identified only as OZ531, about 1.9 MB. OZ-prefixed parts come from O2Micro, a maker of power-management, backlight inverter and charger controllers, so…

Schematic in PDF format for the Samsung Galaxy A80, model SM-A805F, delivered in a 3.06 MB RAR archive. The name states no board revision.

Compact 116 KB PDF for the BQ24737 charge controller from Texas Instruments, filed under schematics.

Schematic diagrams in PDF for the Xiaomi POCO M3 smartphone, archived as a 4.20 MB RAR.

Reference design document for an adjustable-output 200 W SEPIC power supply, a 3.26 MB PDF.

Schematic PDF for the Huawei Honor 9 smartphone, compressed into a 1.23 MB RAR archive.

Schematic diagram for the Samsung Galaxy A11, model A115F, in an 18.0 MB ZIP. The size suggests a fairly complete set of circuit sheets.

Small 101 KB PDF classified as a schematic, named only 9402gyt, which gives no clear device, brand or board number.

Revision R0.4 schematic for the Compal LA-2451 notebook mainboard, distributed as a 1.22 MB RAR file.

Circuit diagram for the Xiaomi Mi 4C phone, delivered as a 5.76 MB PDF. Like other phone schematics it is used to understand how the power management IC, battery…

Nokia E65 circuit diagrams in PDF form, 1.36 MB, marked as the second part or second variant of the schematics set.

Training PDF about SMD surface-mount components, numbered 31 in what looks like a course series, about 998 KB in size.

NXP document UM10391, a user manual in PDF form catalogued here as a schematic reference.

Diagram of a 2.1 preamplifier joined to an audio power amplifier, taken from a YouTube project; the doubled pdf extension is just a naming slip.

Hi-fi 2.1 amplifier schematic credited to SeahorseDIY, in a 688 KB PDF. It covers a stereo-plus-subwoofer layout, likely with the crossover or filter stage feeding the…

Service schematic for the Nokia N76 mobile phone, supplied as a PDF in a RAR archive. Phone schematics like this show the power management IC, charging path, display and…

Schematic PDF named R7000L-64TC, roughly 209 KB, covering a design whose suffix 64TC is not explained by the name itself and may denote a variant or configuration.

ASUS M81C schematic diagram and service manual, compressed into a 1.57 MB ZIP. The name names only the model, without revision or hardware variant.

Schematic document for the Huawei Honor 4x smartphone, provided as a 1.16 MB PDF; the name gives no board number or hardware revision.

Service schematic PDF for the Samsung Galaxy J7 handset with model code SM-J730FM, 3.34 MB in size.

Circuit diagrams for the Nokia N82 camera smartphone, stored as a 2.39 MB PDF. Only the model appears in the name, without board number or revision, so compare the label…

Specifications for the 2SC3656 in PDF form, 90.4 KB. Parts beginning with 2SC in the JIS system are NPN bipolar transistors.

PDF document filed as a schematic for the ISL88731A, which the name identifies only by the part number; it is the Intersil SMBus-controlled battery charger IC found on…

PDF document for the TDA7491P, a 1.45 MB file that is most likely the component datasheet rather than a board schematic, judging by the part-number name.

Schematic in PDF form, archived as a 1.97 MB RAR, identified only by the number X911788-009.

Texas Instruments BQ24765 charge controller datasheet, 1.54 MB PDF, listed in the schematic category.

Texas Instruments BQ24730 datasheet, 4.13 MB in PDF, filed under schematics; the name gives only the part number.

Short Persian PDF of about 70.4 KB whose title translates as how to test a charging circuit.