Sunday, August 9, 2026

Yaesu FT-650B Restoration

 This is the 6 meter (50mHz) transverter that matches the Yaesu FT-101/B/E/EE/F etc lineage. I got this to match up with my FT-101E station. It had not been on the air in many, many years, but turned out to be a fairly easy resto. Here's a few pics...

I popped the covers, pulled the original plastic protective covering from the faceplate, and looked it over.


There were only a small handful of electrolytic caps to change. All resistors were found in spec.


I removed the outer trim ring to facilitate complete removal of the plastic, and allow for better cleaning. 


I removed the tube and relays to clean the pins of these items and treat the sockets with cleaner.


The original plastic covering had yellowed and was very dirty. I also cleaned and lubricated the band switch, the attenuator pot, and the metering switch. 


Aside from being dusty, the final tube was in good condition.


I removed, soaked, and cleaned the knobs. I use a diluted solution of Dawn dish cleaner and warm water with a soft toothbrush.





The final result was a great transverter and a perfect match for my station!

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