Samsung GT-S5150 phone schematic, a 5.85 MB PDF with no revision indicated in its name.

Shared schematics for the Nokia 6670 and Nokia 7610, combined in a single 1.46 MB-class PDF of 1.45 MB.

Additional Nokia E60 schematic file marked as number 2, 1.28 MB in PDF form, complementing the larger E60 diagram set.

Schematic drawings for the Nokia 5500 phone in a 1.31 MB PDF. The name lists only the model, with no board code or revision stated.

Nokia 5700 handset schematic in PDF form, roughly 953 KB. Apart from the model the file name carries no revision or board code, so confirm the PCB matches before relying…

Nokia 3300 service schematics, a 2.05 MB PDF covering the handset circuitry. The file name identifies only the model, with no revision or board number, so verify against…

Shared schematic for the Nokia 6170 and 7270 phones, packed into a single 1.64 MB PDF, suggesting the two models use closely related circuitry.

Nokia 3210 schematics in a 981 KB PDF, with no board revision mentioned in the name. This classic handset is still repaired by collectors and technicians, and the sheets…

PDF for the KIA324P, a KEC quad operational amplifier compatible with the widely used LM324, in a DIP package as the P suffix suggests.

PDF for the KA4558, a dual operational amplifier in the KA series, equivalent in function to the familiar 4558 dual op amp, size 121 KB.

Component data for the 2SB1527 in PDF form, roughly 73 KB, catalogued as a schematic though the bare part number suggests a datasheet.

PDF datasheet-style file for the 2SB1290 transistor, only 38.7 KB, so likely a brief sheet of a few pages. The name carries no other details such as package or maker.

Reference PDF for the 2SA1127 transistor, 41 KB, filed in the schematic category, with an _E suffix in the name whose meaning is not stated.

Schematic for the Apple iPhone 7 Intel version, meaning the variant with an Intel baseband modem, in a 1.27 MB PDF.

Audio section of the Samsung SM-A20S schematic covering microphone, loudspeaker and earpiece circuits, a 4.63 MB PDF.

Small 186 KB PDF schematic for the earphone and charging daughterboard used in E14 and E15 machines. No vendor, generation or board number is given in the name.

PDF schematic for the TV controller board TP.MS3663S.PB818, file size about 3.3 MB. The MS3663 part of the code points to the MStar SoC, and the TP.xxx.PBxxx naming is…

PDF circuit diagram of a mono tone control stage built around two transistors, as the name indicates.

Small PDF document for the STK412-150, a Sanyo hybrid power amplifier module used in many home audio systems and mini hi-fi units.

Troubleshooting guide for the Samsung Galaxy S21 Ultra, as a 7.24 MB PDF; the name gives no model code or regional variant.

Schematic PDF named only IO, 397 KB, with no brand, model or board number in the name. The title suggests an IO daughterboard, such as a USB, audio or card-reader board…

Schematic diagram for the Apple iPhone 7 Plus, described as a 3D version, in a large PDF of about 40 MB.

Gerber-based PDF for the IO board LS-B471P, revision 1.0, from the Z5W1M project, dated 2014-03-13, packed as a 119 KB RAR.

Schematics for the Huawei G730-C00, compressed into an 857 KB zip. The C00 suffix in Huawei model codes typically marks the China Telecom CDMA variant, so hardware may…

Circuit schematics for the OPPO R5, model code R8106, delivered as an 847 KB rar archive.

Schematic package for the BlackBerry 9800 smartphone, supplied as a 736 KB RAR archive.

Small 295 KB RAR archive with schematics for the Lenovo S660 smartphone. No mainboard revision appears in the name, so confirm against the PCB markings before trusting…

Lenovo P780 schematics supplied in a 598 KB RAR archive. The file name carries no board number or revision, so confirm the PCB silkscreen matches before relying on…

RAR archive of 1.32 MB with the schematic for the Lenovo A7010 smartphone. The name carries only the model, without a board number or revision, so verify against the…

Service schematics for the Samsung SGH-C160 feature phone, packed into a small 278 KB RAR archive marked as a copy.

Schematic diagram for the Huawei Y3 II, model LUA-U22, packed as a 6.63 MB RAR archive.

Common troubleshooting document from Samsung for the SM-J610F, the Galaxy J6 Plus, as a 7.05 MB PDF; the trailing 7 is probably a section number.

HP DV6 schematic from Quanta for the LX6 and LX7 board projects, supplied as a 1.54 MB PDF with no revision noted in the name.

Schematic diagram for the Xiaomi Mi 8 smartphone in a 980 KB PDF. It contains the circuit pages for the main board, typically including power management, charging…

Schematic for the Samsung SM-A720F, provided as a 3.58 MB PDF. The file name lists only the model, without revision or region information.

Samsung SM-E500F schematics provided in an 8.68 MB PDF file. The name lists only the model, without revision or region.

Schematic for the iPhone X, 2.48 MB PDF, with a contributor handle and a misspelled word in the name.

Schematic for the Samsung E1230 basic mobile phone, delivered as a fairly large PDF of about 9.76 MB, suggesting high-resolution or multi-page service drawings.

Schematic set for the Nokia 7710, delivered as a 1.75 MB PDF document. No board revision is specified in the file name, so match the PCB markings before relying on…

First part of the Nokia 6310 schematics, a PDF of 862 KB; the trailing number in the name suggests the set is split across several files, so look for the other parts for…