Manual of digital electronics written in Spanish, a general reference rather than a schematic for any particular equipment.

Portuguese introductory study material on digital electronics, the first part of a course series judging by the numbering in the name.

CD4066 reference document, a 174 KB PDF for the CMOS quad bilateral analog switch. Listed as a schematic, though it is most likely the datasheet with pin diagram…

PDF reference of 116 KB for the CA3306, a CMOS flash analog-to-digital converter in the Intersil and Harris CA-series line.

Service manual for the Fluke 87V digital multimeter, a 1.18 MB PDF. Manuals of this kind normally cover specifications, performance verification, calibration adjustment…

Learn Arduino, a Spanish guide in a 5.69 MB PDF focused on the Arduino microcontroller platform rather than repair of a specific device.

Reference sheet of blink codes for Panasonic plasma televisions, 138 KB PDF. Panasonic plasma sets report shutdown causes by flashing the power LED a set number of…

Persian-language PDF of 377 KB whose title translates roughly as Western hard drive repair, indexed as a schematic.

Service manual for the Lexicon MPX 500 effects processor, a 5.73 MB PDF. Lexicon service documents usually include theory of operation, schematics, board layouts, parts…

Number 22 of the Spanish series El mundo de la electronica, a 942 KB PDF that teaches electronics rather than documenting one device.

PDF filed as a schematic for DT8211 with the DMB suffix, about 428 KB. The name gives no further description, and DMB may refer to a digital multimedia broadcast…

Front camera section of a handset schematic in PDF form, part of a series of pages near 4.78 MB each, with no model named.

Main rear 25 MP wide camera page from the Samsung SM-A30S (Galaxy A30s) schematic, saved as a 4.30 MB PDF.

Rear camera section of a phone schematic in PDF, specifically for the 13 MP wide main camera, from a sectioned set of about 4.78 MB pages with no model in the name.

Spanish-language compatibility reference for phone microphones, a 1.22 MB PDF. The title suggests a cross-list of microphones that can be swapped between handset models…

Front camera schematic for the Samsung SM-A23, supplied as a 2.79 MB PDF. The page details the selfie camera connector, its MIPI lanes, clock, reset and the analog and…

Samsung SM-A11 schematic pages for the 48 MP wide rear camera, a 2.81 MB PDF. They show the camera connector pinout, sensor supply rails and the data and control lines…

Persian-language PDF whose title translates roughly as Western hard drive repair, 377 KB in size.

Schematic excerpt for the Samsung SM-A12 covering the 2 MP macro rear camera circuit, supplied as a 3.36 MB PDF.

Schematic page for the 13 MP wide main rear camera of the Samsung SM-A02S, provided as a 3.71 MB PDF.