Component documentation for the 4N38 optocoupler, filed under schematics though it is in practice a part datasheet in PDF form of about 140 KB.

Schematic PDF for the Samsung UA40EH6030 LED television, with the U71I designation appearing in the name, 8.66 MB.

PDF document of 530 KB whose name refers to lowering the current of a circuit; the title is truncated, so the exact subject is unclear.

Schematic PDF for the Sony KDL-46EX717 LED television, 5.89 MB in size; the name does not state which boards or chassis revision are covered.

Service schematic for the LG 32LS3400 LED television, Korean-market version, 5.77 MB PDF.

Very large 70.9 MB PDF for the LG 32LF500B LED television. Given its size it is likely a full service manual with schematics, board layouts and exploded views, though…

A 1.47 MB PDF schematic for the BN44-00605A power supply board, also referenced as PSLF770S05A in the name. BN44 is the Samsung part-number series for TV power boards.

Datasheet for the 4N38 optocoupler, marked as revision 2 in the name and supplied as a 294 KB PDF filed among schematics.

Short 44 KB PDF covering the 4N32 and 4N33 optocouplers, two closely related members of the 4N family that use a Darlington phototransistor output for high current…

Service schematic for the TH55CX700M television, a large 32.8 MB PDF that likely holds a complete manual with several board diagrams.

A 171 KB PDF for the 4N39 and 4N40 optocouplers, listed under schematics but in practice a component datasheet.

Family datasheet spanning the 4N29 through 4N33 optocouplers, a 157 KB PDF listed in the schematic category.

Spanish document about the diode, a 373 KB PDF of component theory rather than a schematic for a specific device. The name gives no product or board number.

PDF of 1012 KB titled manual_postcard_32, filed as a schematic but most likely a user manual for a PC diagnostic POST card.

PDF datasheet for the 4N35 optocoupler, marked as revision 2 in the file name and about 276 KB in size.

Service schematic in PDF for the Panasonic TX-P42GT30E plasma television, chassis GPF14D-E, packed in a 7.43 MB RAR.

Schematic in PDF for the GC-RP64LED at revision 1.0, a compact file of about 182 KB. The GC prefix appears on Gigabyte add-on products, but the name does not state the…

Combined datasheet PDF of 210 KB covering the 4N25 to 4N28 and 4N35 to 4N37 optocouplers, although indexed as a schematic.

Small 21 KB PDF covering the 4N39 optocoupler, catalogued as a schematic. The name states only the part number, so the content is most likely a brief datasheet with…

Optocoupler datasheet for the 4N29, with the name indicating revision 4x, supplied as a PDF of roughly 287 KB.

A 71.2 KB PDF with data for the 2N2222, filed with schematics in this index. The 2N2222 is a staple NPN small-signal transistor used for switching relays, LEDs and logic…

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

Circuit diagrams in PDF form for the Lenovo D222B LCD monitor, compressed as RAR. Monitor repair usually involves the power board, LED backlight driver and scaler logic…

Datasheet-style PDF, 142 KB, for the 74HC595D, the familiar 8-bit serial-in, parallel-out shift register with output latches; the D suffix usually marks the SO package.

PDF schematic of roughly 64 KB for a function daughterboard of the X63C project, a Quanta code associated with the HP ProBook 450 G3 elsewhere in this collection; no…

Service schematic in PDF form, 5.81 MB, for the Shivaki STV-19LED3 LED television built on the MSI MS18VG.62B chassis. MS-18VG follows MSI's board numbering.

GC-RP64LED revision 1.0 schematic in PDF form, about 182 KB and evidently another copy of the same drawing.

Schematic or service document in PDF for the TV model THL32C3D, about 16.2 MB, which suggests a fuller service manual rather than a single diagram.

Compact 201 KB PDF titled All Panel Data Information, filed as a schematic. The name suggests a compiled reference of LCD or LED panel data, such as panel model codes…

Schematic document for the TH43DS630R television, a 12.8 MB PDF with a -1 suffix that suggests it is one copy or part of a set.

Schematic PDF for the CV338H-B32 TV main board as fitted in the Haier 32A6S, 480 KB; the index tags it Clevo, though the name points to a Haier television.

Small 9.66 KB PDF for Sony devices titled as a blink code reference, presumably listing the meaning of LED flash patterns shown on failure.

PDF reference for the 74HC595, an 8-bit shift register with storage latches and three-state outputs, at 367 KB, filed under schematics.

Backlight circuit of the Samsung SM-A11 schematic, delivered as a 4.33 MB PDF. It shows the backlight driver, its boost inductor, diode, output capacitors and the LED…

Schematic document for the KLV-24P413D television, 2.40 MB in PDF format. No chassis or board number appears in the name, so check the cover page to find which main…

Compal LS-6099P circuit diagram, revision 1.0, in a RAR archive of about 36 KB. Boards with the LS prefix are usually small Compal daughterboards that carry ports…

Technical PDF on boosting power supplies, 2.24 MB, filed among schematics. The name points to step-up (boost) converter topology rather than a particular TV or board…

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…

Chinese-language circuit schematic for the TCL (Wangpai) LED32C820 LCD TV built on the MS182 chassis, supplied as a compact 295 KB PDF.

Schematic for Compal function board LS-4498P, part of the KAL90 project, revision 1.0, in a 24 KB PDF.