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…

Power supply schematic for a chip amplifier, provided as a 497 KB PDF with a source tag in the name.

Schematic in PDF form for a parallel microphone preamplifier circuit, an audio design rather than a computer board.

Service manual for a device called M200, supplied as a 2.76 MB PDF. The name does not say who makes the M200, so confirm the brand and model on the unit before relying…

Circuit diagrams for a unit labelled M200, provided as a 1.12 MB PDF. No brand or board revision appears in the name, so match the model and PCB markings on your device…

Lexicon MX200 documentation in PDF format, about 1.22 MB, indexed as a schematic for this dual reverb and effects processor.

Lexicon MX200 manual, document number 5073493 at revision B, stored as a 3.53 MB PDF. The name points to the official Lexicon document, which may be the owner's manual…

Service manual for the Lexicon MPX 500 effects processor, a 5.73 MB PDF. Lexicon service documents usually include theory of operation, schematics, board layouts, parts…

Service manual for the Lexicon MPX 200 effects processor, a 1.35 MB PDF. Service manuals of this kind usually combine schematics, board layouts, parts lists and test or…

PDF schematic whose name is only an automatically generated document label with a date stamp, so it carries no information about the brand, model or board number.

Service schematic in PDF, 5.90 MB, for Philips LED televisions 50PUT8215, 55PUT8215, 65PUT8215 and 70PUT8215 built on the TPM20 chassis.