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

Tuesday, August 25, 2026

Book Review Out of the Blue...


These days it's hard to find readers who appreciate my books enough to leave a nice review on Amazon. So I was presently delighted that someone left a glowing review for PCB Diagnostics which I've written about three years ago:

Excellent overview, really the only book of its kind. Getting back into advanced PCB diagnostics/repair having not worked in the industry for over 20 years, this book was a phenomenal refresher, so much so, I have several more of Mr. Ng's books awaiting to be read. 
I see another review complaining the book is full of expensive equipment, it does cover various things like A.T.E. and such systems, but also teaches the basics of diagnostics. I would say anyone coming to this book without sound electronics knowledge in the engineering realm will find themselves out of place with the material, but more so out of place if trying to do any such work. This book isn't for the part and board swappers looking for easy tricks that will fix PCBs, that is for youtube. If you really want to get into the field you need to hit the books and bench, use this as a guide for futher education.

If you, my reader and follower of this blog, have received the benefits of my hard-earned engineering insights and experience, would be kind to leave a good review on Amazon, it would definitely help in the ratings and sales to enable and motivate me to write more in the future. 

My wife, who supported me all these years in this gruelling work, always look forward to reading them, and find consolation that our efforts do make a difference and impact in other people's lives.

So have a heart and do your part. Hear from you soon! 

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