FIELD: TV equipment. SUBSTANCE: TV reproduction system has decoder 1 of brightness and chrominance signals, three interpolation and line pick-off devices 2-4, three storages 5-7, switching-over unit 8, signal former r,δ,B 9, video test unit 10, analog-to-digital converter 11, digital-to-analog converter 12. EFFECT: enhanced stability of operational characteristics. 3 dwg
