Рет қаралды 32,684
Fixing and restoring a soviet radio - Sokol 308 from about 1980, with MW, SW and OIRT FM bands. Explaining how a superheterodyne receiver (superhet) works, local oscillator, mixer, IF frequency, 10.7 MHz filters, ratio detector FM demodulator, AFC, AM detector, AVC / AGC, mirror image frequency reception. Diagnosing the failure, testing electrolytic capacitors, germanium transistors...
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The repair of my car:
• Fabia 1 hned po startu...