Large firmware archive for car audio units, around 1.89 GB, with no brand, model or board number given in the name.

Documentation for the Apple iMac A1150 M9 LIO audio board at PVT stage, drawing number 051-7066, packed into a 410 KB RAR.

Audio Pro Ace Bass B2-40 subwoofer service manual in PDF form, about 1.96 MB, as indicated by the sub and sm tags.

Small 124 KB PDF schematic covering the audio and USB daughterboard used with Sony mainboard MBX-165, platform code MS90.

C-Media audio driver package for 64-bit Windows, marked as WHQL certified, in a 3.42 MB zip.

A 159 KB PDF datasheet for SFFLY-LEAD-AV, which by its name is a fly lead for audio-video signals within the SF-prefixed product range; the equipment it connects is not…

Boardview for the Apple left I/O board 820-1685, which carries the sound circuitry according to the name, packed in RAR.

BRD boardview of about 9.83 KB for an IO daughterboard labelled LSH501P, revision R10, with 1650 in the name, probably indicating a GTX 1650 model variant; the laptop…

Large 106 MB archive with a Persian title meaning all Sierra car players, so it likely gathers firmware or dumps for Sierra brand car audio head units.

Schematic of the IO daughterboard for Quanta project V02A, revision R01A, a 226 KB PDF.

LG archive of 9.14 MB with a Persian name meaning several models of car player, pointing to a collection of LG car audio firmware or memory dumps.

Schematic PDF for the Nokia N800 internet tablet, 1.62 MB in size. The name carries a web site tag but no board revision.

Schematic for the I/O daughterboard of the Quanta ZDA project, revision 1A, in a small 66 KB PDF.

Sony service manual in PDF covering the DSX-A410BT and DSX-A415BT car audio receivers, version 1.1, with sm_3 suggesting part three of a multi-part manual.

PDF schematic of the K42JR IO board, packed in a 181 KB rar, with the name carrying revision 2.0 and a date from November 2008.

Boardview in a ZIP archive for an IO daughterboard labelled LSM211P revision 1.0, associated with the Compal LA-L978P board number.

PDF schematic for the LCFC NS-C821 IO daughterboard at revision 1.0, a small Lenovo sub-board that pairs with the NM-C821 main board family.

Compal-style daughter board schematic for the Alpine IO board, number LS-E541P, project code CIUYA_YB, delivered as a 462 KB PDF.

Compal schematic for board LS-B096P at revision R1.0, packed in a RAR archive of 46.4 KB. The name gives no laptop brand or model, only the ODM number.

2.1 amplifier schematic using the 2SC5200 and 2SA1943 complementary power transistor pair, in a 184 KB PDF.

Repair archive for the Apple iPhone 7 at 50.1 MB, likely bundling schematics, boardview files and related references, though the name does not list them.

Technical Mriganka 2.1 amplifier design using the TDA7379 and TDA7377 power amplifier ICs, a 206 KB PDF.

This 89.0 KB PDF carries no information except the code 2SJ233. JIS numbering assigns 2SJ to P-channel FETs, so the content is most likely that transistor's datasheet…

Archive for the IO daughterboard of the Dell Vostro V3700, from the Wistron Winery DW70 design. The name shows it covers the IO board rather than the main logic board.

Nokia 6230 schematic set in PDF format, 1.34 MB. Only the model is indicated; there is no board number or revision in the name, so check the main board's printed code…

This datasheet PDF of 179 KB covers the 2SD2480 transistor and contains no further detail in its name.

The 2SK304 appears here as a 79.6 KB PDF. The file name carries nothing beyond the part number, which in the Japanese JIS system indicates an N-channel FET.

PDF reference sheet for the 2sb1236 transistor, 52.0 KB. The file name carries the part number only, with no further detail.

Compact 43.8 KB PDF covering the 2SB766 bipolar transistor, with an _E suffix in the name whose meaning is not stated.