PDF reference of 66.9 KB for the KA7500C, a pulse-width-modulation controller from the KA7500 family, compatible with the classic TL494 design.

Schematic of a 1000 W audio power amplifier rated into 2 ohms, marked R2, RLVA SE1, 2012 revision 1, in a 110 KB PDF.

Circuit diagram of a Dell PA-10 laptop adapter, model PA-1900-02D, compressed into a 367 KB RAR archive.

Delta Electronics adapter schematic for model ADP-40MH BDA, rated 20 V at 2 A output according to the name, in a 702 KB RAR archive.

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…

Samsung SM-A10 backlight circuit schematic, 2.25 MB PDF. It covers the LCD light driver, its boost inductor and diode, and the output lines feeding the display…

PDF schematic of roughly 943 KB labelled TAS6514AL, a name that matches the Texas Instruments TAS series of automotive class-D audio amplifier ICs; no product, board…

PDF schematic for a GeForce GTX 1070 Ti graphics card, zipped to 858 KB; the name does not say which manufacturer or board design it covers.

PCB document for an R2 power amplifier listed at 1000 watts, as a 3.50 MB PDF. The larger size suggests detailed artwork, possibly with both layers or component…

PDF schematic for an AMD Radeon X550 PCI-E graphics card built on the RV370 GPU with 128 MB of TSOP memory, in a variant with VO-SVDI video outputs.

Schematic for the Delta ADP-90FB EK power adapter, revision 01, in a 425 KB RAR archive.

Schematic for the ADP-36EN power adapter using a DAP6A PWM controller and a DAS001 IC, as named in the 85.3 KB rar.

Schematic for the Dynatech V4000 inverter, tagged Pappu and carrying the number 8720041200, which may be a contact or reference code rather than a board number.

Component document for the 74HC245, an octal bus transceiver with three-state outputs, provided as a 267 KB PDF in the schematic category.

Schematic for the PMA400 Lambda amplifier, a 400 W audio power amp design credited to Rat Net, supplied as a 477 KB PDF.

Delta ADP-40PH BB adapter schematic, rated 19 V at 2.1 A per the name, packaged as a 466 KB RAR archive.

PDF of 352 KB for the 74AC14, a hex inverter with Schmitt-trigger inputs from the advanced CMOS family, listed under schematics.

Datasheet PDF, 64.6 KB, for the KA7500B, a PWM control IC from the KA7500 series and a TL494-style design widely found in computer power supplies.

Audio Pro Ace Bass B2-40 subwoofer service manual in PDF form, about 1.96 MB, as indicated by the sub and sm tags.

Schematic for a Dell laptop power adapter with model codes PA-3E and PA-1900-28D, in a 405 KB RAR archive.

PDF schematic for a 2.1-channel power amplifier, meaning two satellite channels plus a subwoofer channel.

PDF schematic for the NVIDIA GeForce RTX 2080 reference board PG180-A02, revision A, compressed into a 1.66 MB RAR archive.

LCD backlight section of the Samsung SM-A12 (Galaxy A12) schematic, provided as a 3.40 MB PDF.

Schematic for MSI graphics card board MS-V349 at revision 1.0, in PDF format and about 811 KB. The MS-V prefix is how MSI numbers its video card PCBs.

Small PDF named after the APL5930, an Anpec low-dropout linear regulator used on notebook boards for low-voltage rails.

Schematic PDF for an early MSI GeForce RTX 3080 board, MS-V389 revision 1.2, inside a ZIP archive.

Schematic document for an AMD Radeon X550 graphics card, provided as a 433 KB PDF. The name gives no board revision or card manufacturer, so compare the layout with your…

Samsung SM-A05 backlight schematic, a 6.26 MB PDF page covering the LCD light circuit. It helps with faults where the picture is faintly visible but the screen has no…

PDF schematic for MSI MS-V375 revision 1.2, stored in a RAR archive of about 1001 KB. MSI uses the MS-V prefix for video card PCBs.

Core board document for a Matrix 1.4 design paired with an R2 1000 watt amplifier, with the trailing 2 R likely meaning a 2 ohm load, in a 398 KB PDF.

Updated schematic for the IRS D900 class D amplifier, rated from 200 to 500 W and credited to Rat Net, in a 423 KB PDF.

Schematic in PDF form for an LG LED TV power supply board with part number EAX64905301.

Collection of schematics for AMD Radeon RX 5000 and RX 6000 series graphics cards, about 166 MB in a RAR archive, with no individual card models named.

Sony HT-S500RF schematic delivered as a 5.85 MB PDF, covering the home theatre system named in the file.

Schematic PDF for the CPU or control card of a Homage or Inverex China-type UPS, labelled 12V and 03G, about 212 KB.

PDF schematic for the MSI MS-V390 GeForce RTX 3070 graphics card on the GA10x GPU family, revision 1.0, an NVIDIA 2020 design, archived as a 1.08 MB RAR.

PDF schematic for an ATI RV380/RV370 PCI-E graphics board with 128 MB of TSOP memory and a VO plus DMS-59 output configuration, archived as a 500 KB RAR.

PDF circuit diagram for the MSI RX Vega 56 card built on PCB MS-V368, first revision 1.0.

Circuit diagram in PDF format for the ZQP board, revision R1A, in the variant with an HDMI output, carrying the date codes 0218-1 and 0221.

Schematic for an ATI R480 PCI-E graphics card with 256 MB of GDDR3 in an 8Mx32 chip configuration and dual DVI outputs (one DVI-I), packed as PDF in a 653 KB RAR.