PDF for a Zener 100 W mono amplifier with a quasi-complementary output stage, as indicated by the Spanish word cuasi, 569 KB in size.

Top silkscreen layer for the Apex AA9 board, marked as MD revision 2, in a 58.7 KB PDF.

Yamaha PA 2400 amplifier schematic in a small 194 KB PDF. The name gives no revision or note about modifications, so it may represent the standard circuit, but confirm…

Schematic in PDF, about 420 KB, named only SEM2105, so the name does not identify a laptop model or board number.

PDF schematic for MSI board code MS-V341 at revision 3.0, delivered in a RAR archive of about 880 KB.

Persian PDF titled mobile repair, about 294 KB in size and catalogued as a schematic. The name gives no phone model or board number, so it is most likely a general guide…

Decrypted PDF schematic for the MSI MS-V805 design, revision 1.0, delivered as a 536 KB RAR archive.

Topic 2 of a Spanish smartphone repair course, covering basic electronics, as an 817 KB PDF that appears to duplicate the unnumbered copy. No device or board is named.

PDF schematic for Quanta board DA0TE2MB6G0, compressed into a 738 KB RAR; no laptop brand appears in the name, though the same number is used in Toshiba notebooks.

Schematic PDF labelled 7A-PRO, packed in a 637 KB RAR. The name gives no brand, board number or revision, so the device it covers must be confirmed by opening the file…

Circuit diagram for a power adapter labelled DAG-3004, packed in a small 194 KB RAR archive. The name gives no brand or output rating, so check the label on the brick.

Repair guide in PDF format for the ASUS K42JR notebook, packed in a 387 KB rar archive.

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

Xiaomi Mi 5s smartphone schematic, delivered as an 826 KB RAR archive. The diagrams help a repair technician follow the PMIC rails, charging path, USB, display and…

Circuit diagrams for the BlackBerry 9530, the Storm touchscreen handset, supplied as a 783 KB RAR. No revision or board code appears in the name.

Lenovo K860 schematic diagram and service manual, distributed as a 752 KB RAR archive. The filename states no board number or revision.

Lenovo A898t schematic diagram and service manual in a 942 KB RAR archive. The t suffix identifies a specific model variant, so confirm your handset matches; no board…

Portuguese-language PDF guide whose title translates to How to Test Electronic Components, 620 KB in size.

Datasheet-style PDF for the AO4601, filed here as a schematic, 686 KB. The part number matches an Alpha and Omega Semiconductor dual MOSFET in an SO-8 package combining…

PDF schematic from Topstar for the X01 board, marked RB in the name, which likely denotes a revision, 958 KB.

Jetway 615TCF motherboard schematic, a PDF of roughly 547 KB; the name states no revision.

Small 91.1 KB PDF named sn608098, filed as a schematic. The name does not reveal the device; it may be a Texas Instruments component number, though that cannot be…

PDF schematic labelled 1008HA, provided as an unlocked copy with document restrictions removed, which allows printing, copying and text search.

PDF schematic labelled only 1002, in an unlocked version with document protection removed so pages can be printed and searched.

Service schematic in PDF format for the Samsung Galaxy A7 SM-A700H, about 790 KB. Samsung phone schematics cover power management, battery and charging, the display…

Service schematic for the Samsung Galaxy J7 Core, model SM-J701F, in a 593 KB PDF. Phone schematics like this let a technician follow power rails from the PMIC, trace…

Schematic for the Samsung Galaxy A8, covering model codes SM-A800I and SM-A800F, in a 581 KB PDF.

Samsung Galaxy J2 schematic for the SM-J200F model, supplied as a 746 KB PDF. Technicians rely on such diagrams to trace supply rails, identify the charging IC and its…

Schematic for the Toshiba A200, with la 3661 in the name indicating a Compal LA-3661 motherboard, LA- being Compal board numbering.

Top-side board drawing for the Xiaomi Mi 4 LTE phone, a compact 42.9 KB PDF indicated by the board_up label.

Repair guide in PDF format for the ASUS K55DE notebook, 616 KB, indexed under schematics.

Schematic PDF of about 737 KB for an HP 15-sb series laptop, motherboard 6050A2412801, with the token MB-DB 20100809 suggesting the main board and daughter board sheets…

A 648 KB PDF schematic covering the Acer Aspire 5332, 5732, 5732Z and 7715 family. The file name gives no motherboard number or revision, so check the title block inside…

Samsung C3322 schematic, a 937 KB PDF for this dual-SIM feature phone. The name states no board revision.

HCF4050 reference document in PDF format, 175 KB, covering the 4050 hex non-inverting buffer in its HCF-prefixed version.

Reference PDF for the CD4094, an eight-stage shift-and-store bus register from the CMOS 4000 series, as the name notes it is a shift register.

PDF reference of 116 KB for the CA3306, a CMOS flash analog-to-digital converter in the Intersil and Harris CA-series line.

Component documentation for the 2SD2257 transistor, in PDF form at 180 KB. Although the index lists it as a schematic, the file name points to a single discrete part…

Datasheet for the 2SD612K transistor, a 303 KB PDF listed in the schematic section. The K at the end belongs to the type number and indicates a variant of the 2SD612…

PDF datasheet, 40.9 KB, for the 2SD2240 transistor, filed under schematics in this index. An _E suffix in the name is an edition marker for the document only.