High-definition scan of Apple logic board 820-01700, dash revision 05, as a 4.96 MB PDF.

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…

Chassis schematic in PDF for a Hisense television, identified by the board or chassis code RSAG7.820.6487.

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…

Schematic in PDF form for the HIFI H81S2 desktop motherboard, built on the Intel H81 chipset, packed in a 1001 KB RAR.

Laptop schematic in PDF for a board coded MIH61R with project names Mission Hills and Sawgrass, carrying Wistron-style board number 10097-1; the laptop brand is not…

Panasonic repair guide dated 2012 with hints for the LCD board of the TH-L47E5S television, document reference TNPH0993, provided as a PDF of about 1.3 MB.

Schematic archive for a Dell OptiPlex desktop motherboard made by Wistron, identified in the name as MIH61R with the project code names Mission Hills and Sawgrass and a…

Schematic PDF of 2.29 MB for a tone control circuit with low, mid and high adjustment plus a sub-woofer section, according to the name.

Schematic for the Biostar Hi-Fi A70U3P desktop motherboard, board code AA70K-M2S at revision 6.0, compressed into a 920 KB RAR.

Datasheet PDF for the 2SC3295, 251 KB, catalogued among schematics. Under JIS numbering, 2SC identifies an NPN transistor; the name gives no further hints about…

Small PDF named after the 2SC5149, catalogued as a schematic yet most likely the transistor datasheet.

Datasheet PDF for the 2SA2062 transistor, 29.9 KB, the same size as the neighbouring 2SA2063 file, which hints at a shared document layout.

Component datasheet for the 2SA2061 transistor, provided as a PDF of about 169 KB and listed under schematics.

PDF of 171 KB for the 2SC5199, the same size as several neighbouring 2SC519x entries, which hints at a shared document format or a combined sheet.

Transistor information for the 2SA1607, supplied as a 150 KB PDF and placed in the schematic category.

Spanish-language schematic for a stereo amplifier titled Zener, rated at 1000 W, in a 1.15 MB PDF.

A 207 KB PDF with the name 85cnq015a, classified as a schematic and offering no brand or device details.

Named simply 2SC5129, this 210 KB PDF is catalogued as a schematic but should be the component datasheet for that NPN bipolar transistor.

Named 2SC5637, this 42.7 KB PDF is listed as a schematic but is presumably the datasheet for that transistor.

PDF reference sheet for the 2SC3921, 30.7 KB, catalogued among schematics but named with a JIS transistor code.

Schematic in PDF format for a bridged-tied-load subwoofer amplifier labelled 2050, where BTL means two amplifier halves drive the speaker in bridge mode for higher…

Datasheet PDF covering the 2SA1588, 215 KB in size, which suggests several pages with curves and package details.

Covering the 161cnq035, this 80.7-class PDF of 81.5 KB is indexed as a schematic yet looks like a Schottky rectifier datasheet, where the 035 suffix generally…

Compact 63.0 KB PDF for the 2SC5585, a JIS-numbered transistor, indexed with schematics. The name provides the part number alone, without maker or revision.

Datasheet in PDF for the IRFP1405, an N-channel power MOSFET in a TO-247 package. The file name gives only the part number, so take the voltage, current and…

A brief 48.3 KB PDF on the 2SC3504, catalogued as a schematic but containing transistor data.

Small 333 KB schematic covering the LCD inverter board of the ASUS P701, supplied as an unlocked PDF with copy and print restrictions removed.

Component data for the BC517 NPN Darlington transistor, the name giving ratings of 500 mA and 30 V, catalogued under schematics as a 111 KB PDF.

Second version of a block diagram for the Xiaomi Mi Max, a 3.87 MB PDF whose name carries a (2) suffix, suggesting an alternate or duplicate copy of a similar document.

Datasheet in PDF for the MPSA44, a high-voltage NPN small-signal transistor. The file name gives only the part number, so ratings should be read from the document…

Circuit diagram of the Toshiba PA-1750-09 power adapter, built around an LTA601N controller, noted in the name as a TEA1751T equivalent; the Russian phrase means on the…

Here is the 2SD1825 in PDF format, 150 KB, listed under schematics though the name suggests a transistor datasheet rather than a circuit diagram.

Documentation for the 2SA1402 transistor, a 119 KB PDF indexed in the schematic section.

The 2SK1606 N-channel field-effect transistor is described in this 36.7 KB PDF, the 2SK prefix following Japanese JIS/JEITA registration.

PDF of 173 KB for the 2SC4707, sorted into the schematic category. Because 2SC is the JIS/JEITA designation for NPN bipolar transistors, expect a component datasheet…