Black-and-white television receiver "Record-4".
Black and white televisionsDomesticThe television receiver of the black-and-white image "Record-4" has been producing the Aleksandrovsky Radio Plant since the beginning of 1960. TV production technology is designed for the use of automation and mechanization. TV "Record-4" is a 3-class model developed to replace the "Record-B" model and as an alternative to the "Record-12" model. TV "Record-4" works on any of 12 channels. The TV sensitivity is 200 μV. Number of lamps 17. Kinescope 35LK2B with an image size of 285x215 mm. Resolution horizontal 350, vertical 450 lines. Power consumption 140 W when watching programs and 35 W when listening to a record. Compared with the TV Record-B, the model has a number of circuit and design advantages. These are automatic gain and brightness controls, automatic line frequency and phase adjustment, tone control. Installation is made on 5 foil-clad printed circuit boards located on a vertical chassis. The boards are connected using connectors. The TV has a mains voltage regulation with a light indicator and a regulator displayed on the front panel. With a mains voltage from 185 to 250 V, you can maintain a voltage of 220 V. When powered from a 127 V network, these limits will be 95 ... 150 V. This makes it possible to operate the TV in a given mode, which improves the quality of reception and reliability. There is a pickup input that allows you to reproduce the gramophone. There is a set-top box socket for receiving FM stations and a headphone jack. The TV case consists of two mechanized elements; bent shell made of pressed cardboard, finished to look like valuable species and a plastic front panel. Two 1GD-9 speakers and a mains voltage indicator are located on the lower TV frame, which carries the kinescope mount. On the right of the case, the PTK handle and the local oscillator are displayed. Left, volume knobs with mains, contrast, tone, vertical size, frame rate and linearity switch. The dimensions of the TV are 420x420x515 mm. Weight 23 kg.
