The Gorizont Ts-257 television receiver for color images has been produced by the Minsk PO Gorizont since 1984.
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'' Horizon Ts-257 '' type 2USCT61-9 is a unified stationary color TV of the 2nd class with a screen diagonal of 61 cm. A special feature is the use of large hybrid integrated micro-assemblies of BIGMS.
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In terms of their functions, they correspond to the modules used in TVs UPIMTsT but small-sized.
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The TV set is assembled on p / n devices and microcircuits.
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In the IFA, filters on surface acoustic waves are used.
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Kinescope type 61LK4Ts is distinguished by high brightness, quick readiness for work.
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The TV has a modular design with a vertical chassis, where 5 unified modules are fixed: radio channel, color, line and frame scan, power supply.
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The modules are connected through a separate board fixed to the chassis and connected to them with ribbon cables and connectors.
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In addition, the TV case contains control units and information, as well as a power filter board.
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Thanks to the use of a switching power supply, new components and solutions, the weight of the TV is reduced by 18 kg compared to the ULPCT models and by 13 kg with the C-200 and is 37 kg.
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Power consumption is reduced by more than 2 times compared to the ULPCT.
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The TV is equipped with automatic adjustments that provide high quality pictures.
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These are AGC, AFC and F systems, a system for turning off the color channel when receiving b / w images and protecting the power supply in case of short circuit.
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It is provided to connect headphones and a tape recorder, manually turn off the color channel, adjust the bass and treble tone, turn off the speakers.
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The choice of any of the tuned 6 programs is made by the SVP-4-10 device on a micro-assembly, which simplified the device, there are 36 elements in it, in the SVP-4-1 block there are 102 of them. The size of the image is 362x482 mm.
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Sensitivity 55 μV.
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Resolution 450 lines.
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The frequency range is 80 ... 12500 Hz.
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Power consumption 120 watts.
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The first releases of TVs had the index "D" (UHF range) in the name, although without the index TVs worked in both ranges.
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,null,ru,null,null,null,nullSince 1986, the plant has been producing the Horizon Ts-257-1 TV set, which in design and parameters, except for the design, did not differ from the one described.
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