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The set-top box "UPT" was supposedly produced since 1953 by several factories of the country.
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The prefix is "u200b"u200bdesigned to increase the sensitivity of TVs.
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The prefix was produced in three versions, for channels 1, 2 and 3, respectively referred to as "UPT-1", "UPT-2" and "UPT-3".
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The design and layout of the console options is the same, the difference is only in the contours.
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The prefix was connected to the TV by 6.3 volts and 250 volts by the anode and, respectively, between the antenna and the TV.
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More information about the console below.
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