Bottom copper layer of the R2 power amplifier PCB rated 1500 watts at 2 ohms, marked langsung print, Indonesian for direct print.

Bottom copper artwork for the Matrix i4 amplifier board rated 250 watts at 4 ohms, labelled langsung print, meaning ready for direct printing.

Mirrored bottom-layer placement sheet in PDF for the MI2 board at the P4 build. Mirroring flips the view so the underside appears as it looks when the board is turned…

Bottom-side placement drawing for the Compal LA-F391P board, a 106 KB PDF that pairs with the top-side view and the full BRMLK12U schematic.

Bottom-side placement drawing for Compal-made motherboard LA-8821P, a 584 KB PDF. The name does not state the laptop brand, model or board revision.

Bottom-side PCB layout for the R2 amplifier design rated 500 watts at 4 ohms, stored as a 138 KB PDF.

Bottom-side placement view for the Compal LA-F541P board, a 445 KB PDF that complements the matching top-side file.

Bottom-side PDF for Wistron-numbered board 15250-1, roughly 263 KB, the counterpart of the top-side sheet.

Bottom-side companion PDF for the Lenovo NM-B311 board, LCFC numbering, at roughly 501 KB, showing component placement on the underside of the PCB.

Small 138 KB PDF for Lenovo board NM-A181, revision 1.0, with AILZA as the project code; the name marks it as the bottom side, so it is most likely a component placement…

PDF drawing of the bottom side of board 15341-1, a number in the Wistron pattern, about 219 KB.

Bottom-side PDF sheet for motherboard 14291-1, numbered in the Wistron style used for many Dell notebook boards.

Silkscreen print of the bottom side of board NMA931R10, which corresponds to the LCFC number NM-A931 revision 1.0, saved as a PDF.

Component placement map for the bottom side of the Xiaomi Mi 5 mainboard; the Chinese name translates to Xiaomi 5 bottom component distribution diagram.

Bottom-side silkscreen drawing for Lenovo board NM-B911, revision 1.0 (R10), supplied as a 163 KB PDF.

Schematic in PDF form for the bottom board of the Quanta Y0HC project, board number DAY0HCMB6B0, MV stage, packed in RAR.

PDF document for a board coded Z8V, covering the top side of the PCB according to its name, 419 KB in size.

Bottom-side PDF sheet for board 15341-1, the BTM half of a top and bottom layout pair, about 215 KB in size. The numbering matches a pattern Wistron uses.

PDF of the top-side silkscreen for board NMA931R10, the LCFC NM-A931 board at revision 1.0 by the naming pattern.

Schematic for the Xiaomi Mi 4 LTE smartphone, a 1.32 MB PDF. It documents the circuit connections used when diagnosing power, charging, audio, display or radio problems…

PDF showing the top side of a board labelled Cyperss Point, most likely a misspelling of Cypress Point.

Top-side board drawing for the Xiaomi Mi 4 LTE phone, a compact 42.9 KB PDF indicated by the board_up label.

Catalogued as a schematic, this 140 KB PDF carries the name 28F002, a part code from the 28F flash memory series, typically a 2 Mbit boot block type.

Top-side print for a universal dos vas Matrix board, likely a dual voltage-amplifier-stage module, marked langsung print, meaning ready to print directly.

Small 38.6 KB PDF showing the bottom side of the Xiaomi Mi 4 LTE board, based on the board_down label in the name.

Top-side placement drawing in PDF for the Xiaomi M1s mainboard, P3 build. The sheet lists component outlines and reference designators for the upper PCB face and…

PCB layout document in PDF for the Apple iPhone 5, showing component placement on the logic board.

Top-layer component placement sheet for the Compal LA-G714P board, provided as a 246 KB PDF.

Scanned photo reference for the Apple logic board 820-01814, saved as a 3.17 MB PDF. Apple marks its logic boards with 820- part numbers, and these scans show the real…

Small 173 KB PDF named dos vas, a short and uninformative title that most likely refers to a dual VAS layout, the voltage amplifier stage of a class AB power amplifier.

Circuit schematic in PDF for the Xiaomi M1s phone, with the Chinese part of the name meaning Xiaomi schematic diagram.

Circuit schematic in PDF for the original Xiaomi M1 phone, with the Chinese title meaning Xiaomi schematic diagram.

A 293 KB PDF filed under schematics and titled 28F001, which belongs to the 28F flash memory family, usually a 1 Mbit boot block device.

Schematic for the bottom board of the Quanta Y0HC project, marked MV and dated 20150721, in a 1.20 MB PDF.

Component distribution diagram for the top side of the Xiaomi Mi 5 mainboard, translated from the Chinese file name, delivered as a 52.3 KB PDF that is probably one…

Top-layer placement drawing in PDF for the Xiaomi M1 mainboard. It maps component outlines and designators on the upper side of the PCB, turning a reference number from…

Top-side PCB print for a Matrix i4 amplifier rated 250 watts into 4 ohms, tagged langsung print, Indonesian for print directly.

Full schematic in PDF for the MI2 mainboard at the P4 build, with 0917 most likely the drawing date.

PDF titled BOT, catalogued as a schematic and 232 KB in size; the name gives no model, brand or board number.