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

Thursday, March 5, 2026

The American Apprenticeship


January 1987. A New Squadron.

We were the pioneer batch. That phrase carried weight. It meant there were no precedents, no seniors to guide us, no established procedures to follow. Everything we did would be done for the first time. Every success would become a template. Every mistake would be a lesson for those who came after.

My team, the ATE group, was assigned to the third-line repair bay, along with two other teams. Third-line meant deep maintenance—the most complex repairs, the ones that required removing systems from the aircraft and bringing them to a dedicated facility. It was the highest level of technical work in the Air Force, and it was ours.

Our new home was a bomb-proof shelter, designed to survive attacks that would level ordinary buildings. The shelter was empty when we first saw it. A shell. A promise. Nothing more. We had three weeks to turn it into a functioning repair facility. Those weeks were a blur of physical labor and logistical coordination.

Once the facilities were ready, we waited. For the arrival of the CETS.

A specialized team of personnel from Grumman Aerospace, the company that had designed and built the E-2C. Their mission: to assist us in running the squadron for the first two years of its operation. To train us, guide us, ensure that we could do the work before they left us to do it alone.

Our ATE team split into two groups. One would handle the CAT-3D, the general-purpose test system. The other would take the RADCOM, the specialized system for radar, communications, and more. I was assigned to the latter. And I was fortunate—more fortunate than I knew at the time—to be placed under the guidance of a man named Ronald Dykeman.


 

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