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Originally Posted by Chad Hauris
This could have been used in a city where there was perhaps one government owned TV station. The selectivity would be in the antenna coil tuned for the one station. If you had say 500 kw of visual power from the transmitter, and were a few miles away, I'm sure you could get an O.K. signal with this little amplification. It could be perhaps an anode detector like is used in old TRF radio sets...no seperate diode is needed.
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This TV is the Eastern Bloc equivalent to all those 2 & 3 valve TRF radios that were made in Nazi Germany before the WWII.
The CRT is more then likley a 5 inch judging by the EHT voltage, The set is more then likley made & sold very cheapley by the state as tool for spreading properganda by the state as was those radios in Nazi Germany.
I am trying to find out more info on this simple TV set on the net, But I have had no success so far..
Perhaps Telecolor 3007 might know somthing about these.
The website I d/l the circut was in Poland.