PDF document for the TPS51123, a Texas Instruments dual synchronous step-down controller often used to generate the 3.3 V and 5 V standby rails on laptop boards.

Working instruction document number 1304-4324 for a product designated F32, revision 4, as a 3.70 MB PDF.

Schematic in PDF format labelled V800 and Z800i, a model naming that suggests a mobile handset, though no brand is stated.

Spanish PDF titled Microelectrónica, 4.14 MB, with no device, brand or board named. It is likely training or course material covering microelectronics topics such as…

Repair guide in PDF for the ASUS K54LY laptop, catalogued as a schematic, 674 KB in size.

Spanish cell phone repair course material that appears to come from a training institute abbreviated INED in the name.

U56E schematic in a compact 518 KB PDF, with an RG suffix in the name whose meaning is not stated.

Schematic for the Microsoft Xbox 360, a document titled HandC version 1.4, whose name points to connector pinouts.

Spanish-language PDF offering ten tips for a technician who is developing their skills, about 152 KB.

PDF schematic for the OPPO Find X3 smartphone, about 2.67 MB. The diagrams cover the electrical connections of the phone board and help a repair technician follow power…

Spanish course section 3.4 on the microscope, a brief 114 KB PDF from the workshop equipment chapter of a mobile repair series. No microscope brand or model is stated.