Since 1964, the Signal TV has been produced by the Kozitsky Leningrad Plant and the Radiopribor Leningrad Plant.
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The Signal TV (ZK-38) contains 20 radio tubes, 15 diodes and a 43LK9B kinescope with a beam deflection angle of 110 °.
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The use of this picture tube made it possible to reduce the depth of the TV in comparison with similar models by 30%.
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The size of the visible part of the image on the screen is 270x360 mm.
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Sensitivity 100 μV.
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AGC, inertial synchronization with AFC and F line autogenerator provide the TV with confident reception of image and sound on an external antenna at a distance of 70 km from the TV center.
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In the scanner circuit, image size stabilization is applied when the mains voltage changes and when parts are warmed up.
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In order to remove image distortions, a knob for clarity correction is brought out.
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The acoustic system, consisting of two loudspeakers 1GD-9, which are located in the front in the lower part with an input power of 1 W and a frequency range of 100 ... 7000 Hz, provides good sound quality in a medium-sized room, and tone controls for low and high frequencies allow you to select
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desired tone.
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There are headphone jacks that can be used to connect a tape recorder for recording.
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Wooden case, polished with imitation of precious woods.
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All main control knobs are located on the front panel, auxiliary knobs are located on the left side in the vertical row.
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The TV is assembled on a vertical chassis using printed wiring.
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The TV was produced in two versions of the case, with straight and rounded corners (model ZK-39).
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The dimensions of the device are 610x500x400 mm.
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Weight 32.5 kg.
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