Yunost R603 soviet TV teardown and restoration 3
Автор: DiodeGoneWild
Загружено: 2021-10-07
Просмотров: 29412
I finally managed to fix this vintage soviet TV set - Yunost R603 (Юность Р603) from 1981. I replaced some faulty paper capacitors that changed their capacitance very significantly. I tried to replace the germanium horizontal output transistor using a modern one, but it didn't work, so I used a new old stock one. Then I explain how does the horizontal synchronization and the horizontal output circuitry work, including the S-correction capacitor and the linearity coil with permanent magnets. I generate a test television signal and modulate it using a simple 1-transistor modulator. I show some oscilloscope waveforms.
Episode 1:
• Yunost R603 soviet TV teardown and restora...
Episode 2:
• Yunost R603 soviet TV teardown and restora...
My DIY Atmel oscilloscope:
http://danyk.cz/avr_osc_en.html
My DIY TV modulator/transmitter:
http://danyk.cz/tvvys_en.html
Please support me on Patreon:
/ diodegonewild
My Instagram:
/ savage_danyk
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