Spanish course section 3.6 about the professional soldering station, part of a chapter on workshop equipment, in a 320 KB PDF. No specific product model is named.

Topic 2 of a Spanish smartphone repair course, covering basic electronics, as an 817 KB PDF that appears to duplicate the unnumbered copy. No device or board is named.

Lesson nine of a Spanish phone-repair course on network unlocking and IMEI-based release, saved as a 619 KB PDF.

Spanish PDF numbered topic 5 on disassembling mobile terminals, roughly 954 KB, part of a phone repair training series. It does not name a specific handset.

Section 3.5 of a Spanish repair course on the ultrasonic cleaning tank, a 395 KB PDF within the workshop equipment chapter. No device model is given.

Spanish course section 3.1 on the multimeter, provided as a 526 KB PDF within the workshop equipment chapter. No meter model is mentioned.

Topic 8 of a Spanish mobile repair course, covering backup, root and recovery on smartphones, supplied as a 306 KB PDF. No specific device is named.

Spanish-language section 3.3 on the oscilloscope, part of a workshop equipment chapter in a phone repair course, supplied as a 362 KB PDF.

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.

Spanish PDF course topic about diagnosing and fixing software faults on mobile devices, 541 KB in size and seemingly identical to topic 7 in the same series.

Topic 6 of a Spanish smartphone repair course, focused on diagnosing and solving hardware faults, in a 308 KB PDF. No model or board number is stated.

Opening topic 1 of a Spanish course on mobile telephony fundamentals, a 343 KB PDF. No phone model or brand appears in the name.

Spanish training PDF on identifying the parts of a smartphone, describing the main components and modules found inside a typical handset.

Section 3.2 of a Spanish repair course dealing with the bench power supply, a 244 KB PDF. No specific supply model is named.

Spanish-language course chapter on basic electronics, provided as an 817 KB PDF and apparently the same content as the numbered topic 2 of the series.

Topic 4 of a Spanish mobile repair course, explaining how to identify the parts of a smartphone, as a 404 KB PDF identical in size to the unnumbered copy.

Spanish PDF titled as a course topic with the abbreviation A.I., whose meaning is not clear from the name alone, so the content should be checked by opening it.

Spanish course chapter numbered topic 7, dealing with diagnosis and repair of software faults in mobile phones; the 541 KB PDF matches the unnumbered copy of the same…

Topic 3 of a Spanish mobile repair course, giving an overview of workshop equipment in a 1.00 MB PDF. It is not tied to any device.

The 2SB1602 transistor datasheet, a 207 KB PDF filed among schematics. JIS numbering assigns the 2SB prefix to PNP bipolar transistors meant for low-frequency circuits…

Glass-passivated 1N4006GP rectifier datasheet, a 41.9 KB PDF grouped with schematics in this index. The GP suffix typically indicates a glass-passivated junction.

Indexed under schematics, this 83.7 KB PDF named 155cmq015 has the form of a Schottky rectifier part number, with 015 typically meaning a low 15 V reverse rating suited…

Small 83.6 KB PDF for a part labelled 27c8000i, listed under schematics although the number fits the 27C CMOS EPROM family.

Spanish PDF guide on using a soldering iron (cautín), 495 KB, with no device or model involved. It is training material for basic hand soldering rather than a schematic.

Technical sheet for the 1N4005GP rectifier, 41.9 KB in PDF form, listed among schematics.

Filed as a schematic, the 209CNQ135 document is almost certainly a datasheet for a high-current Schottky rectifier module in the CNQ series, where 135 points to a 135 V…

Datasheet PDF of 131 KB for the 201CMQ035, a Schottky rectifier in the CMQ family; the 035 suffix normally indicates 35 V.

Indexed under schematics, this 119 KB PDF for the 203DNQ080 appears to be a component datasheet for a Schottky rectifier in the DNQ range, with 080 most likely…

Service manual for an induction appliance, distributed as a 3.39 MB PDF and listed under schematics.

A 44.4 KB PDF titled 181nq, categorised as a schematic but almost certainly the datasheet for a high-current Schottky rectifier module family; no voltage suffix is…

Small 34.5 KB PDF filed as a schematic and named 78P7200-IH. The name gives no laptop model or board number; it looks like an integrated circuit part number with a…

Small 27.9 KB PDF listed as a schematic and named 27LV256-20IL, a part code for a low-voltage 256 Kbit EPROM.

A very small 12.3 KB PDF catalogued as a schematic and titled 27LV256-20I, a low-voltage 256 Kbit EPROM part number with what appears to be a 200 ns speed and industrial…

PDF reference for the IRFP90N20D power MOSFET, with the name noting a 200 V rating and 94 A current.

Document for the IRF1404 power MOSFET, with the name listing 40 V and 202 A, stored as a 196 KB PDF.

Datasheet-style PDF for the 24LC21 family serial EEPROM, with the I_P suffix in the name likely pointing to an industrial-temperature or PDIP package variant, though the…