The file 70mtkb is a 73.3 KB PDF filed as a schematic, and its name provides no brand, model or PCB revision.

Very short 20.1 KB PDF for the part 27C256-12A, catalogued as a schematic. The number belongs to the 27C EPROM family, and the -12 suffix normally reflects the…

Tiny 6.54 KB PDF for the SN74ACT1073NSR from Texas Instruments, a bus termination array with clamp diodes used on data lines, in an NS package supplied on tape and reel.

Very small PDF, only 9.27 KB, holding datasheet information for the SN74LS399N, the N suffix indicating the plastic DIP package version.

Summary edition of the ATmega169 datasheet, as the trailing s in the name suggests, covering revisions A to E of this Atmel AVR microcontroller with built-in LCD driver.

Brief 28.4 KB PDF for the 2SK2864, indexed as a schematic; its small size points to a one or two page datasheet or summary. The name gives only the part number.

Small 33.2 KB PDF covering the 2SK1478, written in lowercase in the original name. The 2SK prefix belongs to the Japanese semiconductor designation for N-channel…

A compact 19.1 KB PDF for the 2SA1580, small enough that it is probably a one- or two-page summary sheet. No other details are present in the name.

Phone specification document in a 10.1 MB PDF; the name states only that it contains specifications and gives no brand or model, so the target device must be identified…

Very small 11.7 KB PDF for the part SM6103S; the name carries no manufacturer or function, and at this size the file is probably a one or two page summary rather than a…

Datasheet for the SN7406N, a TTL hex inverter buffer/driver with open-collector high-voltage outputs in a plastic DIP package.

Small 67.6 KB PDF filed under BQ24727, a Texas Instruments battery charger controller found on many laptop motherboards.

At just 31.4 KB, the PDF named 2SJ499 is probably a short datasheet or summary sheet, even though it is filed as a schematic.

Compact datasheet, 14.5 KB in PDF form, for the part numbered 2N2955 according to the file name.

Short PDF of only 19.4 KB covering the 1SV298H, the H suffix marking a variant of the base 1SV298 part.

A compact 116 KB PDF named after the BQ24737, a Texas Instruments notebook battery charger controller.

Small 38 KB PDF referencing the Microchip PIC18F8580, with the PIC18F8680 noted alongside it in the file name.

A small 40.3 KB PDF for the 2SK2867, filed as a schematic; the modest size suggests a short datasheet or summary page. The name contains nothing but the part number.

A very small 12.3 KB PDF catalogued as a schematic and titled 27LV256-20I, a low-voltage 256 Kbit EPROM part number with what appears to be a 200 ns speed and industrial…

Short PDF of 17.5 KB titled 23SC4428, catalogued under schematics. The name gives only a part number, and its 4428 suffix resembles that of a known smart-card memory…

Schematic for a mosque mixer, the Indonesian name Mixer Masjid, model Master Box X6, provided as a 585 KB PDF despite the doubled extension in the original name.

A compact 44.5 KB PDF labelled 2SJ520 and catalogued as a schematic. Because 2SJ is the JIS prefix for P-channel FETs, the document is best treated as a short datasheet…

Repair guide PDF covering the ASUS X541UA and X541UV at revision 1.0, 995 KB in size. Such guides typically summarise the power-on sequence, key rails and circuit…

Block diagram for the Xiaomi Redmi Note 3 handset, model code 3Z, in a 1.75 MB PDF. A block diagram summarises how the main subsystems connect: processor, power…

Asus repair guide for the model listed as Zenbook X453SA, in a 1.08 MB PDF. No board revision is stated in the name.

ASUS K42F repair guide in PDF, about 453 KB, filed under schematics but closer to a service troubleshooting document. No board revision is stated in the name.

Datasheet in PDF for the SN74LS670N, the plastic DIP version of the 74LS670 4-by-4 register file with 3-state outputs from the low-power Schottky TTL family.

PDF document for the ASUS Z97-A desktop motherboard, an Intel Z97 chipset board; the RG token appears to indicate a repair guide rather than a full schematic.

Repair guide in PDF format for the ASUS X540LJ, 849 KB, catalogued with schematics. ASUS repair guides of this kind usually summarise the power-up sequence, key voltage…

PDF document whose Persian title translates as datasheets of amplifier ICs, filed here as a schematic but in practice a reference collection for audio amplifier chips.

Schematic with a block diagram for the Xiaomi Mi Max smartphone. The block diagram summarises how the SoC, PMIC, memory and peripheral chips link together, while the…

Schematic in PDF form for the ASUS ROG GL702ZC gaming laptop, mainboard revision 2.1. It gives full circuit diagrams for tracing power rails, checking power sequencing…

Datasheet in PDF form for the EMB20N03V, a MOSFET part from Excelliance MOS, as the file name indicates.