Schematic section for the LG G5 smartphone covering the network or RF part of the circuit, according to its title.

Cellular network section of the Samsung SM-A11 schematic, saved as a 4.33 MB PDF. It covers the RF transceiver area, power amplifiers, antenna switches, filters and the…

Xiaomi POCO M3 schematic in PDF, labelled as the network section. It should cover the RF and baseband side of the phone, useful when diagnosing no-signal, no-service or…

Network section of a smartphone schematic in PDF, part of a sectioned set of around 4.78 MB per page; the device model is not given in the name.

Cellular network section of the Samsung Galaxy A02s (SM-A02S) schematic in PDF format, 3.70 MB.

Network RF section of the Samsung SM-A10 schematic, a 2.25 MB PDF. It follows the cellular radio chain from transceiver through power amplifiers, antenna switch and…

Network or RF section from the Samsung Galaxy A30s (SM-A30S) schematic collection, as a 4.29 MB PDF file.

Network and RF section schematic for the Samsung SM-A23, a 2.78 MB PDF from a series of per-function sheets.

Cellular network section schematic for the Samsung SM-A22 5G, a 5.26 MB PDF. It covers the RF chain, including transceiver, power amplifiers, antenna switches and the…

Network section schematic for the Samsung SM-A21s, a smaller 1.93 MB PDF. It covers the cellular radio part of the board, typically the RF transceiver, power amplifiers…

Network section of the Samsung SM-A05 schematic, packed into a 6.27 MB PDF. It covers the radio part of the phone: transceiver, power amplifier, antenna switch, filters…

Network and cellular RF section of the Samsung Galaxy A12 (SM-A12) schematic, 3.40 MB PDF.

Network (cellular RF) portion of the Samsung SM-A20S schematic in PDF form, 4.63 MB. The pages cover the radio front end, power amplifiers, antenna switches and the…

2.1 amplifier schematic using the 2SC5200 and 2SA1943 complementary power transistor pair, in a 184 KB PDF.

Troubleshooting guide in PDF for the Samsung SM-A105FN (Galaxy A10), where Tshoo is read as troubleshooting and 7 likely marks a service manual chapter.

Tone control circuit intended for a 2.1 channel audio system, in a 159 KB PDF. It shows the bass and treble adjustment network that sits between the source or preamp and…

Schematic of a 2.1 channel amplifier based on the TDA2030A, from Technical Mriganka, in a 416 KB PDF.

Fourth chapter of a Spanish cellular-phone course, dealing with cloning or unlocking, saved as an 863 KB PDF.

Schematic PDF for the Nokia Asha 200 mobile phone, about 1.8 MB. The name gives no board revision.

Schematic in PDF, 1.96 MB, centred on the SM7150 processor according to its name; the phone model and board revision are not stated.

First chapter of a Spanish course on cellular telephony, a 1.95 MB PDF filed under schematics but evidently a training lesson. It names no device or board number.

Datasheet in PDF, about 92 KB, for the 93C56 serial EEPROM, the 2 Kbit device in the 93-series Microwire family; the _3 suffix probably reflects a document revision or…

Samsung troubleshooting guide for the Galaxy J7 model SM-J700H in PDF. TSHOO documents in Samsung service material normally cover fault-finding procedures with block…

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

Portuguese PDF on the main rails or networks of a smartphone, converted from another format, 253 KB, with no model or brand named.

Datasheet for the 1N4934GP rectifier, the glass passivated variant of the 1N4934 fast recovery diode, held in a 45.7 KB PDF.

Service schematic for the Samsung HomeSync GT-B9150, a home media and storage device, provided as a 2.87 MB PDF. The name states no board revision.

Datasheet of 243 KB in PDF for the 93C46B, a 1 Kbit serial EEPROM of the 93-series Microwire family; the B suffix generally identifies a version with fixed word…