Recent project brought to D-Lab from a fellow in Detroit. Transmitter has developed a high voltage fault. Could be a shorted modulation transformer, hopefully not. Replacement parts for these vintage transmitters are becoming sparse. I expected the worse, turned out to be a minor repair. The EF Johnson Viking II is the 57 Chevy of transmitters. Very nice robust design. They will out live us. Just require a little TLC now & then.

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