Analyzing a 1976 USSR Russian Built Solid State Black and White TV.
Portable TV Grade 4 '' Youth '' -401 ( PT- 31 -IV- 1) is designed to receive TV
Vision programs in DC , and when a channel selector SKD- 20 and in the UHF range.
TV - 401D '' Youth '' already has an array of SKD- 20. The model provides a good reception
at a distance of 100 km from the TV studio . It utilizes kinescope 31LK4B , angle deviation
beam of 90 °. In the scheme has AGC and AFC and AF Sensitivity TV 100 mV , clarity 400
lines , the output power of 0.75 W, the frequency band 200 ... 7100 Hz. AS consists of a five- speaker
na 0.5 DG -30 , there is the headphone jack with volume control, mute . powered by
network , battery , or any source Fri , 12 volts . power Consumption
Pot life at 30 on AC power , DC power supply 14 watts. Case Model of Place
tmassy trimmed film fine wood with metallization . Dimensions of the device
376h315h260 mm. Weight 10 kg. Price - 280 rubles. As was written in advertising : TV
Youth '' 401 '' - is your reliable companion and friend, home, on vacation , in the campaigns and expeditions.