To My Readers



If this is the first time you're visiting my blog, thank you. Whether you're interested or just curious to find out about PCB reverse engineering (PCB-RE), I hope you'll find something useful here.

This blog contains many snippets of the content in my books to provide a more detailed overall sampling for my would-be readers to be better informed before making the purchase. Of course, the book contains more photos and nice illustrations, as evidence from its cover page. Hopefully, this online trailer version will whet your appetite enough to want to get a copy for yourself.

Top Review

I started doing component level repair of electronics with (and without) schematics more than 40 years ago, which activity often involves reverse-engineering of printed circuit boards. Although over the years my technical interests have shifted into particle beam instrumentation, electron microscopy, and focused ion beam technology fields, till this day——and more often than not——PCB repairs have returned multiple multi-million-dollar accelerators, FIB, and SEM instruments back to operation, delivering great satisfaction and some profit.

Many of the methods described by Keng Tiong in great details are similar to the approaches I've developed, but some of the techniques are different, and as effective and useful as efficient and practical. Systematic approach and collection of useful information presented in his books are not only invaluable for a novice approaching PCB-level reverse engineering, but also very interesting reading and hands-on reference for professionals.

Focus on reverse engineering instead of original design provides unique perspective into workings of electronics, and in my opinion books by Keng Tiong (I've got all three of them) are must-read for anybody trying to develop good understanding of electronics——together with writings by Paul Horowitz and Winfield Hill, Phil Hobbs, Jim Williams, Bob Pease, Howard Johnson and Martin Graham, Sam Goldwasser, and other world's top electronics experts.

Valery Ray
Particle Beam Systems Technologist

Friday, March 6, 2026

Mr. Ronald Dykeman

Ron's coffee mug

Ron was, quite simply, one of the most experienced and meticulous engineers you could ever find. He had been with Grumman for decades. He had worked on the E-2C since its early days. He knew the RADCOM the way a master craftsman knows his tools—intimately, completely, with a depth of understanding that came from years of hands-on work.

But experience alone doesn't make a great teacher. Ron had something more: patience. The willingness to explain something five different ways until it clicked. The ability to stand back and let you make mistakes, then guide you through understanding why they were mistakes. The quiet confidence that came from knowing he didn't need to prove anything.

He didn't give answers. He gave directions. He taught us to think like diagnosticians, not just button-pushers. He taught us to understand the systems, not just operate the equipment. It was the best education I ever received.

Ron Dykeman taught me about radar and communications and automated testing. But he also taught me something else: that the best teachers are also human beings, with humor and warmth and the ability to laugh at themselves.

I carried both lessons forward.

 

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