Nokia 7380 circuit diagrams in PDF format, 2.81 MB in size. The file name states the model but no board number or revision.

Circuit diagrams for the Nokia 6060 handset, supplied as an 814 KB PDF. Repair staff use pages like these to trace supply rails from the battery connector through the…

Nokia 3110 circuit schematics delivered as a 780 KB PDF. With no revision or RM code in the name, use it as a general service reference and check the label under the…

Nokia 5800 schematics, a 1.43 MB PDF for this touchscreen handset. The name gives no revision or RM type code, so check the label under the battery and compare board…

Nokia 3530 schematics as a small 325 KB PDF; the name carries no revision or board number.

Nokia 6020 schematic diagrams, a 1.08 MB PDF with no revision given in the file name. A repair technician can follow the battery and charging path, trace power…

Service schematics for the Nokia X2-00, type designation RM-618, as a 3.79 MB PDF. Nokia service documents of this kind typically include block diagrams, circuit sheets…

Indexed as a schematic, this PDF is named 2SD1459, a Japanese JIS designation that points to a datasheet for an NPN transistor rather than a board diagram.

Datasheet-style PDF of 83.8 KB named for the 2SD1940, an NPN transistor under Japanese JIS numbering, in which 2SD stands for NPN low-frequency types.

Datasheet-style document for the 2SJ227, stored as an 85.3 KB PDF and indexed in the schematic category.

Reference sheet for the 2SA1244 transistor in PDF form, 295 KB, listed as a schematic even though the name gives nothing beyond the part number and the file is most…

Part document for the 2SA1735 transistor, stored as a 151 KB PDF and catalogued under schematics.

Audio section of the Samsung Galaxy A02s (SM-A02S) schematic in PDF, covering microphone, loudspeaker and earpiece circuits, at 1.79 MB, smaller than the other pages in…

Schematic of the IO daughterboard for Quanta project V02A, revision R01A, a 226 KB PDF.

Troubleshooting document for a Samsung model labelled A5S with code SM-A528B, stored as a 3.62 MB PDF carrying a doubled extension.

PDF schematic of the Gigabyte GA-H97N-WIFI desktop board, revision R10, archived as a 619 KB RAR.

Complete schematic for the Samsung Galaxy J2 Prime, model SM-G532F, with the SS tag usually indicating the single-SIM version, credited to Anibal Garcia of iRepair in a…

Preamplifier schematic, the file name being the Romanian word for preamp, delivered as a 574 KB PDF with no model or brand stated.

Final PCB artwork for an amplifier using Sanken output transistors, labelled 7 set, which likely indicates seven pairs of output devices, delivered as a large 7.42 MB…

Schematic for the PMA400 Lambda amplifier, a 400 W audio power amp design credited to Rat Net, supplied as a 477 KB PDF.

Silicon Chip magazine, November 2005 issue, in PDF form at 15.4 MB; the trailing number in the name suggests a duplicate copy.

Service manual for the Lexicon MPX 200 effects processor, a 1.35 MB PDF. Service manuals of this kind usually combine schematics, board layouts, parts lists and test or…

Gigabyte GA-Z68X-UD5-B3 motherboard schematic, revision 1.01, as a PDF in a RAR archive.

Large 24.8 MB PDF schematic for the MHC-V83D, a high-power home audio system model name used by Sony, though no brand is given in the file data.

Schematic archive for Samsung Galaxy J2 Core-family models SM-J260F, M, G and Y variants, containing PDF documents in a 7.4 MB RAR.

Schematic archive, 4.93 MB zip, for a device identified only as 5130; given the numbering this is most likely the Nokia 5130 XpressMusic, but the name gives no brand or…

Schematic set for the Xiaomi Mi Note Pro, compressed into a 14.2 MB RAR archive. The name lists the model only, with no PCB number or revision, so confirm your board…

Lenovo A660 handset schematic accompanied by a service manual, archived as an 802 KB RAR.

Lenovo A789 phone schematics, delivered as a RAR archive of roughly 592 KB. Nothing beyond the model name is stated, so revision and board code have to be verified…

Schematic diagram and service manual for the Xiaomi Mi 2A, supplied as a compact 732 KB ZIP archive.

Nokia Asha 202 class handset schematics, listed as Nokia 202 type RM-834, service document version 1.0, in a 504 KB RAR archive.

Schematics for the Nokia 600, type RM-701, version 1.0, compressed into an 818 KB RAR archive. Confirm the RM-701 code on the phone label before tracing circuits.

Troubleshooting document in PDF form for the Samsung S7262, the Galaxy Star Pro dual-SIM phone.

Schematic diagram in PDF format for the Samsung SGH-ZV30 mobile phone, a compact 724 KB document.

Schematic archive for the Compal LS-6582P, revision 1.0, roughly 40 KB in RAR form. In Compal's numbering the LS prefix normally marks a small daughterboard, such as a…

Sony K700 service schematic, numbered as part two and sized 635 KB in PDF format. The name does not list the pages or the circuit block it covers, so compare it with the…

Samsung SM-E700H schematic in PDF format, a fairly large 12.8 MB file. Apart from the model number, the name gives no revision or extra information.

Compact 1.63 MB PDF schematic for the Samsung SM-J320F. The file name carries no revision, region or board details beyond the model.

Samsung SM-J710F schematic in a 6.27 MB PDF. The name supplies only the model number, with no board revision or region.

PDF schematics for the Samsung SM-A910F, 2.59 MB in size. The file name states only the model number, with no revision or extra details.