Compal LA-1221 schematic at revision R4A, provided as a 969 KB RAR archive. A fourth-level revision suggests a mature release of this early Compal laptop board.

Schematic diagram for the V32531FG LED television, labelled MTK8222LS LEDTV, in a small 288 KB PDF.

ECS schematic for the G41T-R3 desktop motherboard, version 1.0A, in a 947 KB PDF. The G41 name refers to the Intel G41 chipset platform.

Schematic in PDF format for the Toshiba Satellite L640, drawn for the Quanta TE2 board numbered DA0TE2MB6F0.

Samsung SM-A910F disassembly document in PDF form, 1.51 MB. The name indicates step-by-step teardown instructions rather than circuit diagrams, covering removal of the…

Schematic PDF for the Compal LA-A972P motherboard, with no laptop model or revision stated in the name.

Tiny plain-text file of 116 bytes called link.txt, which most likely holds a web address or a short note rather than repair data.

Schematic diagram in PDF for the Lenovo ThinkPad T420s, roughly 1.16 MB. The name gives no board number or revision, so confirm the motherboard version against the…

Second schematic file for the Nokia N78 smartphone, a compact 398 KB PDF. The name gives no board number or revision, so check the main board label before relying on…

Circuit diagrams for the Nokia N82 camera smartphone, stored as a 2.39 MB PDF. Only the model appears in the name, without board number or revision, so compare the label…

Schematic in PDF format for the Nokia 7650, one of the early Symbian camera phones, 1.81 MB in size.

Service schematic for the Nokia N79 slider phone, supplied as a 6.39 MB PDF document. The pages are useful for following power distribution from the battery and power…

Nokia 6650 circuit diagrams in a 474 KB PDF document, for one of the early 3G WCDMA handsets.

Nokia 6030 handset schematics stored as a 942 KB PDF. Beyond the model number the name gives no revision or board identification.

Acer Aspire 3105 schematic labelled NWLC, a 1.13 MB PDF. NWLC is likely the platform or project code used for this board, but the name provides no ODM number or…

PDF schematic for the IBM ThinkPad R31, around 1022 KB. No board number, revision or hardware variant appears in the name, so identification rests on the model alone.

Circuit diagram identified as Z61AE, delivered as a 1.30 MB PDF. The name holds only this project code, without brand or revision, so verify the details on the first…

Circuit diagram for the W7J board, a 1.27 MB PDF with only the project code in its name and no brand or revision.

Schematic for the Sony PCG-GRS175 notebook, provided as a 645 KB PDF; the name carries no board number, ODM code or revision.

Schematic for Sony model PCG-61611, the regulatory model code that appears on the label of the notebook rather than the marketing name.

Schematic for the Quanta AT5 laptop mainboard at revision R1A, supplied as a 1.22 MB PDF.

Circuit diagram for the Lenovo ThinkPad R61 on the DAV3 GENBU5W board design, revision 5.13, in PDF form at about 1.28 MB.

Datasheet for the MAX6675, the Maxim cold-junction-compensated K-type thermocouple-to-digital converter with a read-only SPI-compatible serial output.

PDF datasheet of 2.58 MB for the Microchip PIC16C5x series, the original baseline line of small 8-bit OTP or EPROM controllers found in older appliances, remotes and…

Full datasheet covering the ATmega325, ATmega3250, ATmega645 and ATmega6450 AVR microcontrollers, a 2.69 MB PDF.

PDF datasheet of 1.13 MB carrying document number 6120 followed by an s, with no part number or manufacturer in the name.

Schematic PDF for Wistron motherboard 18803-1, about 6.4 MB, with no laptop model named in the file.

PDF schematic for the HP DV6000 laptop, 1.57 MB in size. Only the model appears in the name, with no board number, ODM project code or revision, and the DV6000 series…

Part reference sheet for 5HN01C, a compact 26 KB PDF listed under schematics. No laptop model or board number appears in the name.

A 41.8 KB PDF named for the 2SD2457 with an E tag, filed as a schematic. By the JIS scheme, 2SD marks an NPN bipolar transistor, so expect a component reference rather…

A 91.5 KB PDF titled with the JIS part number 2SD1886, which suggests a component datasheet even though the index tags it as a schematic.

Covering the 2SK3495, this 28.0 KB PDF carries the schematic tag yet is named after one JIS part, pointing to a brief datasheet.

A 407 KB PDF for the 2SK2602, a part number following the Japanese JIS convention in which 2SK designates an N-channel field-effect transistor.

The 2SK2350 is identified here only by its part number, in a 417 KB PDF catalogued as a schematic.

The 2SJ344 is covered by this 310 KB PDF, which the catalogue lists under schematics. The file name carries nothing beyond the part number.

The 2SC4429 is the only information carried by this 107 KB PDF name. Following Japanese JIS semiconductor numbering, 2SC stands for an NPN bipolar transistor, so the…

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

Listed under schematics, this 36.9 KB PDF belongs to the 2SC5538, which the Japanese JIS prefix identifies as an NPN bipolar transistor.

PDF sheet for the 2SC3935 part, with an _E suffix after the number, filed under schematics at 40.7 KB.

Filed under schematics, this 466 KB PDF is identified by the code 2SC4839 alone. In the Japanese JIS designation system the 2SC prefix belongs to NPN bipolar…