Sony mainboard schematic for MBX-237, version 030 according to the name, delivered as a 2.68 MB PDF.

Reference sheet in PDF format, 236 KB, describing LVDS connector pinouts. The name names no device or panel model, so treat it as a generic guide to low-voltage…

Small 21 KB PDF covering the 4N39 optocoupler, catalogued as a schematic. The name states only the part number, so the content is most likely a brief datasheet with…

Datasheet-type PDF of about 90.7 KB for the 2SC4413. No board, brand or revision appears in the name; the JIS 2SC prefix simply indicates an NPN bipolar transistor.

At 108 KB, this PDF is labelled with the transistor type 2SC4221 and nothing else, so no board, model or revision is identified.

Short 27.5 KB PDF for the 2SC3751 NPN transistor, the smallest file in this group, so it is probably a brief specification or summary sheet.

Part documentation for the 2SA1415 transistor, delivered as a 116 KB PDF and indexed as a schematic.

Datasheet of 450 KB in PDF for the 93C55A serial EEPROM from the 93-series Microwire family, filed under schematics.

Datasheet of 243 KB in PDF for the 93C46B, a 1 Kbit serial EEPROM of the 93-series Microwire family; the B suffix generally identifies a version with fixed word…

PDF of 337 KB catalogued as a schematic under the name 78F0034A. No board number, brand or revision is stated; the code resembles a microcontroller part number rather…

Listed under schematics, this 56.0 KB PDF carries only the short code 63cnq, without a full suffix, brand, model or board revision.

Datasheet PDF of 117 KB for the 24C02C, a 2 Kbit (256-byte) serial EEPROM accessed over the two-wire I2C interface.

Schematic PDF for the Z96Fm board, revision 1.0, 4.60 MB, with no brand named. It documents power rails, signal routing and component designators and opens in any…

Schematic in PDF form identified only by the Quanta board number DA0AX2MB6E1, without a laptop model in the name.

Schematic in PDF for the Gigabyte Z390 AORUS ELITE desktop motherboard, revision 1.0. It covers the board's circuits, including the CPU VRM, memory power, chipset rails…

Gigabyte GA-Z270X-GAMING 7 schematic in PDF, board revision 1.0, matching the Intel Z270 desktop motherboard.

PDF schematic of 212 KB titled USB, without any model, brand or board number in the name.

Gigabyte B450M DS3H WIFI desktop motherboard schematic, labelled R12 in a 1.43 MB PDF, most likely board revision 1.2.

Studiomaster M1000 schematic, supplied as a 576 KB PDF. Studiomaster builds professional audio gear such as mixers and amplifiers, and a diagram like this is used to…

Circuit diagrams in PDF form for the Lenovo D222B LCD monitor, compressed as RAR. Monitor repair usually involves the power board, LED backlight driver and scaler logic…

Schematic for a Dell 1088 laptop on Quanta board DAVM8GMB8G0, project VM8G, packed as a PDF in a 1.23 MB RAR archive.

Schematic PDF for project QAL30 with the board reference LA8061, R10, plus a r0.1 tag and a 0229 date code.

Schematic in PDF form for the Pegatron P0JAC2 motherboard, packed in a 990 KB RAR archive.

Gigabyte GA-F2A88X-D3H schematic for revision 3.0 in a compact PDF archive of about 129 KB, so it may be a partial set.

Schematic for the Bangho B512XQ laptop, supplied as a PDF inside a 4.26 MB RAR archive.

Schematic in PDF for the ASUS P8B75-M LE desktop motherboard, archived as RAR at 866 KB, with an RG tag in the name.

Schematic in PDF for the Gigabyte GA-G41M-Combo desktop motherboard, revision 1.3, compressed as RAR.

PDF schematic in a RAR archive for the Quanta DAN91GMB6D0 motherboard, revision D. Quanta board numbers start with DA, followed by the project code, here N91G.

PDF schematic labelled z61ae, around 1.3 MB. The name does not reveal the laptop brand, model or revision, so read the title block to confirm what board it covers and…

Schematic in PDF form for the MSI MS-7A34 desktop motherboard, revision 3.0, packed in a ZIP archive.

PDF schematic for the MSI MS-7B86 desktop motherboard, revision 2.0, delivered in a RAR archive.

PDF schematic for the Huawei Honor 10 Lite, model HL2HRYM, inside a 1.47 MB RAR. Smartphone diagrams of this type cover the PMIC, the charging path, battery connector…

Troubleshooting guide in PDF for the Samsung SM-A105FN, the Galaxy A10 model code, contained in a 1.29 MB RAR archive.

Short Spanish PDF course on the oscilloscope, 375 KB, with no device or model associated. It is study material, not a circuit diagram.

Schematic PDF of 2.00 MB named X65 with the code name Sydney; no brand or board number appears in the name, so the device it belongs to has to be verified from the title…

Schematic in PDF form, packed into a RAR, for board 71R-J14IM6-T811, the only identifier given in the name.

Schematic for the Dell Inspiron 15 3541, referencing Wistron board 13283, in a 1.39 MB PDF.

Schematic titled only LF14M, with no brand, board number or revision in the name. This 1.57 MB PDF needs checking against its title block to confirm which device it…

PDF named only A11 and filed as a schematic, 6.80 MB. The name gives no brand or full model code; it likely refers to a Samsung Galaxy A11, but confirm against the…

Gigabyte GA-H81M-D2V schematic in PDF, revision 1.01, contained in a 699 KB RAR archive.