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Over the past weeks I had KF5FBR’s Yaesu FT101E ad N5WSA’s Icom IC-718 on my bench for various services. The FT-101 needed a general health check and brand new capacitors. No output powers was the problem the IC-718. The latter was caused by burned out final transistors. While working on them, I shot some pictures that I would like to share here.
Let’s start with the Icom IC-718:
Output filter section of the Icom IC-718
One of the two burned out final transistors of the IC-718
Driver section of the IC-718’s final amplifier
And now on to the Yaesu FT-101E:
Plenty of old caps, cobwebs, and dust on this FT-101E module
Yaesu FT-101E SSB filter and modulator board
Westerhold, S. (2013), "FT-101E and IC-718 Repair Impressions". Baltic Lab High Frequency Projects Blog. ISSN (Online): 2751-8140., https://baltic-lab.com/2013/08/ft-101e-and-ic-718-repair-impressions/, (accessed: January 29, 2025).
Sebastian is a self-taught independent researcher and tech influencer with a passion for radio frequency (RF) and digital signal processing (DSP). He's been active as a blogger, YouTuber and author for Elektor Magazine for over a decade.
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