Schematic for the PMA400 Lambda amplifier, a 400 W audio power amp design credited to Rat Net, supplied as a 477 KB PDF.

Delta ADP-40PH BB adapter schematic, rated 19 V at 2.1 A per the name, packaged as a 466 KB RAR archive.

Schematic for the HP ProBook 4321 (likely the 4321s), provided as an 882 KB PDF. The name gives no board number, ODM or revision, so read the drawing's title block and…

Compal LA-6961P schematic package at revision R0.4, compressed to 1017 KB as RAR. The name gives no notebook model or brand, only the ODM board code and an engineering…

Schematic for the Huawei Honor 4X, supplied as a 1.16 MB PDF. No model code, board number or revision appears in the name, so check the document title pages for those…

Schematic for the Gateway W340UI notebook, an Acer-owned brand, with board reference 40GAB1230-B100, in an 812 KB PDF.

Schematic for the Lenovo G530 notebook covering the Compal LA-4212P motherboard, with the Compal project code JIWA3 included in the name.

This 126 KB PDF, tagged as a schematic, is named 440cmq030, with no brand or device identified.

Catalogued as a schematic, this 117 KB PDF is named 400DMQ035 and states no device, brand or revision.

The 174 KB PDF named 400CNQ is filed under schematics but its name carries no model or board number.

Filed under schematics, the 96.3 KB PDF carries the code 48CTQ060L and no device, brand or board information.

PDF datasheet for the 42CTQ030L, 96.1 KB, listed in the schematic category. The CTQ naming fits a dual Schottky rectifier series with common cathode, and the 030 portion…

Component documentation for the 42CTQ030, supplied as a 124 KB PDF and indexed as a schematic.

Schematic in PDF format, 14.1 MB, carrying the part number MFL71433001 together with LB9KBLG9KB and 43LT340C0TBGB, which appear to identify an LG television service…

Fourth PDF in the TH32A410H schematic series, 6.62 MB with a -4 suffix. All four files in the set share this exact size, so they may be copies of one manual rather than…

Compal schematic for board LA-4105P used in an HP laptop, a 1.48 MB PDF. The name gives no exact HP model, so identify the board by the number printed on the PCB.

Schematic for a FLEXComputing H210UA1 design with board code HPMH 40GAB6000 D000, project name Garbo, built on the AMD Brazos platform, marked as version D final.

Schematic PDF for the Lenovo ThinkPad P53, code-named Nighthawk, with N19E GPU, LCFC FP530 design, board NM-C261 revision 0.4, packed in a 3.42 MB RAR; 14L may refer to…

Schematic in PDF for an HP EliteBook laptop built on Compal board LA-4902P revision 1.0; the exact EliteBook model is not given in the name.

PDF of 47.7 KB named 2PD602A, apparently issue 4 of the document. The name identifies a part rather than a product or board, which points to a discrete semiconductor…

Compal schematic in PDF format, packed as RAR, for project JAL10 with motherboard LA-4151P.

Schematic in PDF, packed in RAR, for Wistron board 15139-1, project name adam_apl_4l, with the version or date code 1_0808a.

Apple schematic for logic board 820-4924, revision A, the board used in MacBook Pro model A1502, provided as a PDF inside a RAR archive of about 1.4 MB.

Apple iPhone 4S schematic in a 1.34 MB PDF. The name gives no board number or revision, so compare the diagram with the logic board you are servicing.

Small block diagram PDF of about 105 KB titled Note 4, without a brand or variant given in the name.

Apple iPhone 4S schematic, 1.34 MB, whose name includes an Arabic phrase meaning iPhone map, a common term for a circuit diagram.

Family datasheet spanning the 1N4001 through 1N4007 rectifiers, a 43.0 KB PDF listed in the schematic section.

PDF of 127 KB filed among schematics and named 403CMQ080. The name does not identify any device or motherboard and instead follows the pattern of a power semiconductor…

Small 128 KB PDF catalogued as a schematic and named 401CMQ035. No device or board information is present; the name follows a power rectifier part-number style.

The 121 KB PDF is named 45MT160P and sits in the schematic category, with no device, board or revision mentioned.

A larger 678 KB PDF for the 40MT120UH, filed as a schematic. In this naming family the MT prefix points to a power module, and parts with this kind of suffix are…

Schematic in PDF for the LG K8 4G Dual smartphone, model K350DS, packed as a RAR archive.

Schematic PDF for the Acer Aspire 4738G, Quanta board DA0ZQ9MB6C0, ZQ9 project, at 1.38 MB.

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…

Compal LA-4101P schematic for the HP CQ40, a 1.64 MB PDF that opens in any standard viewer.

PDF of 47.7 KB named for the part 2PB709A, issue 4 judging by the suffix. The name carries no device model or board number, and the prefix matches a transistor-style…

Component sheet in PDF format, 47.7 KB, named for 2PC4081, probably revision 4 of the document.

Topic 4 of a Spanish mobile repair course, explaining how to identify the parts of a smartphone, as a 404 KB PDF identical in size to the unnumbered copy.