Datasheets, service manuals, circuits, electronics, components, CAD

https://www.radioradar.net/en/service_manuals/tvsets_circuits/sony_bc-4.html

Sony KV14V5A/B/D/E/K/U; KV14V6A/B/D/E/U

Block diagrams, Schematic diagrams, oscillograms of signals, and also reference tables of elements and modes of their work on a direct current of monoblocks Sony on chassis BC-4