Troubleshooting manual in PDF form for the Samsung SM-J210F, a Galaxy J2 variant, 1.27 MB in size.

PDF service schematic, judging by the name for the Sharp LC-60LE835 series LCD television.

Wistron-designed schematic for the HP Pavilion dv2000 and the Compaq Presario V3000, which share a mainboard design, provided as a 1.00 MB PDF.

PDF exported from a CorelDRAW file for a Zener stereo amplifier rated 400 W, 642 KB in size; the Spanish name says it comes without the circuit diagram.

PDF schematic for Compal project NIWE2, board LA-5752P, revision 1.0. Compal uses the LA-xxxxP board number pattern, and LA-5752P is known from Lenovo G560-series…

Gigabyte GA-Z270-Gaming K3 schematic for board revision 1.02, provided as a PDF packed in RAR.

PDF schematic covering the HP EliteBook 840 G2 board 6050A2637901-MB-A02, revision A02, compressed into a RAR file.

Short 217 KB PDF schematic labelled ITV.V59.031.13. The code looks like a board or document identifier from a TV main board family, possibly linked to the V59 series…

PDF schematic for the Acer Aspire E1-432 series, Wistron EA40-HW ULV design, board 12243-1, in a RAR archive.

Schematic for ASUS G532 series laptops covering the G532LWS, G532LW and G532LV variants, revision 1.3, in PDF format inside an 11.4 MB RAR archive.

PDF schematic for the HP G4 laptop on Quanta board DA0R13MB6E0, the R13 platform, archived as a 1.27 MB RAR.

Schematic PDF for the Quanta DA0AX1MB6F1 motherboard, revision E, supplied in a 1.45 MB RAR archive.

Sony schematic for the M930 / IRX-5100 platform, motherboard MBX-215 revision SB, in PDF form inside a 1.05 MB rar.

El mundo de la electronica number 16, a 1.41 MB Spanish PDF from a numbered electronics learning series.

Circuit schematic for the Lenovo G50-80 laptop with motherboard NM-A361. NM-xxxx is the LCFC numbering pattern, and LCFC is the Lenovo-owned ODM that designs many…

Electrical schematic for the LG D337, an L Prime series phone, supplied as a large 53.7 MB PDF.

Compal LA-A131P schematics at revision R1.0, a 2.09 MB RAR archive. The larger size suggests a fairly complete set of pages, though the laptop it belongs to is not…

Xiaomi Redmi 3s circuit diagram, the second numbered copy in a series, delivered as a 19.6 MB PDF.

One of a split series of PDF schematics for the LA46 design in its DIS version, meaning the discrete GPU variant, here part three at 19.8 KB.

Service manual for the LED TV model V32531FG, 715 KB in PDF format. The name points to an MTK8222 based LED platform, meaning the main board is built around a MediaTek…

Schematic PDF for a Dell 1450 laptop motherboard made by Foxconn, project H901L, for the Intel Arrandale processor platform, with 911HG also in the name.

PDF schematic of the HP ProBook 6550b, project Diesel 10, UMA version meaning integrated graphics without a discrete GPU, revision A01, board 6050A2326601.

Schematic PDF of 2.88 MB whose name gives only j701, with no brand stated in the record; it likely relates to a J7 series handset, but the exact device should be…

Schematic for the ASUS F3T laptop at revision 2.0, saved as a 1.36 MB PDF. It covers the mainboard power supply, processor and chipset support circuits and peripheral…

Lenovo B490 laptop schematic, 1.95 MB PDF. The name contains a long string beginning with LA that appears to be a Compal-style board code fused with other digits, but it…

Schematic in PDF format, 1.06 MB, named simply A6G with no brand or revision given. The name matches the pattern of ASUS A6-series laptops, but that is not stated, so…

Circuit diagram of the Sony MBX-153 mainboard for the VAIO VGN-TX56C notebook, in PDF format of about 1.40 MB.

Schematic for the Sony VAIO VGN-CR series on board MBX-177A, built by Quanta as project GD1B, revision 2A, in a 1.43 MB PDF.

Datasheet PDF, 64.6 KB, for the KA7500B, a PWM control IC from the KA7500 series and a TL494-style design widely found in computer power supplies.

Reference PDF, 181 KB, for the KA2923, an IC from the KA prefix series; the name contains only the part number and does not state its function, so that must be read from…

A small 26.9 KB PDF in the schematic category, named only with the part number 2N6519 from the JEDEC 2N registration series.

Zener diode datasheet covering the range from 1N4728A to 1N4764A, an 88.2 KB PDF. This 1 W axial Zener series spans a wide range of nominal voltages, each part number…

Filed under schematics, 35clq045 is a 47.8 KB PDF whose name reads like a discrete part number; it does not state any device, manufacturer or revision.

Part-number-style PDF, 176 KB, labelled 27lc040 and listed here as a schematic. The pattern matches the 27-series UV or OTP EPROM family, with LC typically denoting a…

Filed under schematics at 212 KB, the PDF named 20ETF-S gives no device, board or revision details.

ASUS A6J notebook schematic supplied as a PDF, with no board revision given in the name.

ZIP archive of schematics named only A042F, with no brand or revision given in the file details.

PDF document filed under schematics, titled only as unit two in Spanish (unidad 2), which suggests a chapter of a repair or electronics course rather than a board…

Spanish electronics learning series El mundo de la electronica, issue 21, in a PDF of about 1 MB.

Memory card slot section of the Samsung SM-A11 schematic, a PDF of 4.33 MB. The sheet covers the microSD connector, its supply rail, card detect signal and the data and…