Compilation of service mode access codes for LED televisions, 936 KB PDF, with no single brand named.

Service manual for a LED TV identified by the code VKR50QX ZSA, a 2.76 MB PDF catalogued with the schematics.

Schematic diagram for a device identified only as Z60s, packed in a 770 KB zip; the name states no brand.

PDF schematic named only j701, 2.88 MB, with no brand in the name. The token resembles a phone model code, but the file name alone does not confirm the manufacturer or…

Generic troubleshooting PDF of 1.39 MB whose name gives no brand, model or board, so the device it covers must be checked inside the document.

Datasheet in a 106 KB PDF for the 27c256, a part number in the common 27C CMOS EPROM family, although the catalogue lists it as a schematic.

PDF reference for the 24LC21A, the revised version of the dual-mode DDC serial EEPROM commonly found in monitors and display boards for holding EDID information.

Troubleshooting chapter, 2.39 MB PDF, with no device or brand named in the title, so the covered model must be confirmed by opening it; it likely belongs to a split…

Schematic PDF for a phone called Note 4, 544 KB in size, with no manufacturer or board revision stated in the name.

Electrical part list in a 354 KB PDF; the generic name does not say which device or brand it covers, so check the header inside.

Schematic in PDF format for the AOC T2965M, a 4.46 MB document covering this AOC monitor and TV model.

Circuit schematic for a model named T42, supplied as a 1.08 MB PDF; the name carries no manufacturer, board number or revision.

PDF schematic for a G31MG desktop mainboard, a model code suggesting the Intel G31 chipset family with integrated graphics.

Mainboard schematic in PDF for a device named QBOOK-3G, apparently a compact notebook or tablet with a 3G modem variant.

PDF schematic whose name points to a P4 845GLM board, apparently an Intel 845-family design for Pentium 4, though the file name does not state the manufacturer or…

A 925 KB troubleshooting document in PDF, with a file name that does not say which device or manufacturer it belongs to.

Short PDF document of 124 KB titled DMI process, catalogued as a schematic but more likely a procedure guide. No laptop brand or model is named.

Electrical part list in PDF form, 24.3 KB, with no model, brand or board number in the name, so the matching device has to be identified from the document itself.

The 2SK1606 N-channel field-effect transistor is described in this 36.7 KB PDF, the 2SK prefix following Japanese JIS/JEITA registration.

Datasheet-type document in PDF for the 2SA1687, a Japanese JIS-registered transistor, listed under schematics at 143 KB.

Reference PDF, 38.3 KB, for the 2SB1335 transistor, listed under schematics although it covers a single semiconductor rather than a circuit board.

Reference PDF, 218 KB, for the 2SD2584 component, indexed under schematics. In Japanese JIS numbering, 2SD indicates an NPN bipolar transistor designed for low-frequency…

Covering the 2SK2125 N-channel FET, this 35 KB PDF is filed under schematics, though a part-number-only name normally indicates a manufacturer datasheet.

Datasheet for the 2SA1737, a PNP bipolar transistor per the JIS 2SA prefix, supplied as a 40.2 KB PDF and catalogued in the schematic section.

A 277 KB PDF covering the 2SD2539, a part number in the JIS 2SD family, which denotes NPN bipolar transistors for low-frequency circuits.

Small 36.4 KB PDF for the 2SK1614, an N-channel field-effect transistor according to the Japanese 2SK designation.

A 126 KB PDF documenting the 2SC3773 transistor, an NPN device under the JIS 2SC designation.

A 359 KB PDF named for the 2SC2498, a transistor designated under the JIS scheme, where 2SC identifies NPN devices.

PDF document of about 130 KB labelled with the JEDEC code 2N6802 and filed as a schematic.

Transistor reference for the 2SC2712, packed as a 323 KB PDF in the schematic category. The 2SC prefix follows the JIS designation for NPN bipolar transistors.

A small 43 KB PDF named after the 2SC2344 NPN transistor, part of the Japanese JIS 2SC series.

Schematic in PDF form, 2.03 MB, for a subwoofer identified in the name as e150p. No manufacturer or board revision is stated, so confirm the model label on the enclosure…

PDF reference for the 2SK2993 transistor, 424 KB. The file name carries only the part number, which under the JIS scheme denotes an N-channel field-effect transistor, so…

PDF document of 121 KB covering the 2SK1455 semiconductor, listed in the schematic category.

Component reference for the 2SC5197 in a 171 KB PDF, matching the size of related 2SC519x files and possibly sharing one manufacturer sheet with them.

A 92.1 KB PDF labelled 2SC4106 and placed among the schematics. The name carries no model or board number, only the part designation; in the Japanese JIS/JEITA system…

Reference PDF of 136 KB for the 2SA1406 transistor, catalogued among schematics. The 2SA prefix, by JIS convention, marks a PNP device in the high-frequency category.

Datasheet PDF for the 2SC5229, 135 KB, kept in the schematic category of the index. Japanese JIS part numbering assigns 2SC to NPN bipolar transistors, which identifies…

Short 88.9 KB PDF carrying the transistor number 2SC4217, filed among schematics. JEITA assigns the 2SC prefix to NPN bipolar transistors, so this should be a datasheet…

Plain-named 2N3905 document in PDF format, 62.6 KB, catalogued with schematics but most likely a one-part datasheet.