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https://www.radioradar.net/en/service_manuals/videotechnics_circuits/samsung_srv_215_x.html

Samsung SV-B80G/B35G/B30G, SV-B95B/B45B/B25B/B25X, SVR-415/410/215/210

Schematic diagram, oscillograms at the control points of the videorecorder Samsung SV-B80G/B35G/B30G, SV-B95B/B45B/B25B/B25X, SVR-415/410/215/210