Archive named only m526, a 2.59 MB ZIP whose name reveals no brand, board number or document type.

Archive for the Samsung SM-A235F, the Galaxy A23 variant code, compressed into a 16.4 MB RAR.

Datasheet for the 2SK1058 transistor from Hitachi Semiconductor, a small PDF of about 40 KB.

Scanned PDF of the September 2006 issue of AudioXpress, the audio electronics magazine, filed here under schematics.

2.1 channel hi-fi audio amplifier circuit by Technical Mriganka, a 164 KB PDF. The title does not name the amplifier ICs or output devices, so identify them from the…

Short-named schematic PDF labelled only M750, 847 KB in size, with no brand, model or board number given.

Schematics for the Nokia N95 phone, supplied as a 1.33 MB RAR archive with no revision or RM code stated.

Boardview in BRD format for a board identified only as R23-MB-D, compressed in a 128 KB RAR archive.

BIOS archive for the Shuttle-made board 71R-H14BT4-TL30, compressed as a 9.47 MB RAR. The name gives no version or device details beyond the board code.

PDF schematic for the GC-RP64LED revision 1.0, apparently a duplicate copy of the same 182 KB document.

Flash dump named after the SST25VF080B chip, an 8 Mbit SPI flash, which matches the 1.00 MB file size.

Original BIOS dump labelled QX411, 4 MB, taken directly from a working chip. The QX411 designation matches Samsung's QX-series laptop naming, though the board number and…

Schematics for a device identified only as K520, delivered as a fairly large ZIP archive of 34.8 MB.

BIOS dump for the Acer TravelMate 2303WD based on the Intel 855GME chipset, with a DBM tag that the name does not explain.

Archive labelled J610FN, 11.7 MB in RAR form; the name gives only a model code and no brand or content description.

Spanish table of SMD equivalences, a cross-reference for surface-mount parts rather than a device schematic. No brand or board is named.

Spanish electronics course PDF focused on tablets, about 2.73 MB, filed under schematics though it reads as training material.

Firmware archive labelled BM5706 version 1.3, 4.59 MB, with no brand or model in the name.

Datasheet labelled only with the number 72622, a 535 KB PDF. The numeric name resembles a manufacturer document number, as used by Vishay for many power devices, but the…

Android application package whose Chinese title translates roughly as a body-shaping or fitness app, marked VIP, about 21.5 MB.

BIOS dump for the HP EliteBook 2570p on Inventec board 6050A2483801, revision MB-A02. The name lists the flash chip as a Macronix MX25L12845EMI, a 128 Mbit (16 MB) SPI…

Boardview archive referencing the BDV format, with no device, brand or board number in its name. At 443 KB it is probably a viewer utility or a single layout file.

Very large 7z archive of 1.61 GB whose Russian name simply means schematics, with no brand, model or board number given.

RAR archive of 10.1 MB named A500H SM, where SM most likely stands for service manual, though the brand and device are not stated in the name.

ZIP archive of about 5.58 MB whose name, LB35B, gives little away; it may be a board or project code, but the device, brand and contents are not stated.

RAR file titled Diagnostic and repair technology, sized only 132 bytes, which is too small to contain any document, guide or firmware and is most likely empty or a…

A 386 KB PDF covering capacitors and inductors, filed as a schematic but by its name an educational reference rather than a device diagram.

Excel spreadsheet of about 25.5 KB named as a new IC list, with no device, brand or board tied to it in the name.

One megabyte raw binary image named for Suzuki and Z441. The name does not clearly identify the device or whether it is firmware for a laptop, a vehicle module or…

Bosch Sensortec datasheet for the BMP180 digital barometric pressure sensor, document BST-BMP180-DS000-09, 656 KB PDF. The 09 suffix indicates the document revision.

Microchip datasheet for the PIC18Fxx8 family, the largest file in this set at 7.43 MB, where xx marks the different memory and pin-count variants.

Combined Microchip datasheet for the PIC18F2220, PIC18F2320, PIC18F4220 and PIC18F4320 flash microcontrollers, provided as a 7.14 MB PDF.

Combined Microchip datasheet for the PIC16C62B and PIC16C72A microcontrollers, provided as a 2.07 MB PDF.

Microchip reference datasheet, 2.59 MB PDF, for the PIC16F630 and PIC16F676 flash microcontrollers, two closely related 14-pin parts where the 676 adds an…

Datasheet for the PCF8591, an 8-bit data acquisition device from Philips/NXP combining four analog inputs, one analog output and an I2C serial interface on a single…

Raw 32.0 MB dump read from the chip at board position U366. The name records only that designator, so the device, brand and board revision cannot be identified from it.

PDF schematic section for the Qualcomm SM4375 processor, as named, likely a reference or handset excerpt focused on the SoC block.

PDF schematic for the SM7325 processor, 1.81 MB, without any handset model or board number in the name.

Archive of 1.05 MB in RAR format labelled FA808UH with an RTX 5050 GPU variant. Only the model code and graphics chip are given, so the precise contents are unknown…

Repair guide, marked RG, for the TF500T tablet, packaged as a 632 KB PDF. Such Asus guides generally feature board photos with labelled key components, voltage values at…