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

Monday, July 6, 2020

GeForce 8600 GT Layout Diagram (Part 1)

Three weeks ago, I mentioned about reverse engineering a GeForce 8600 GT graphics card. I haven't really gotten into doing it yet as I was busy with some other commitments. In between, when I could find the time, I would work a little on the layout diagram. Well, I managed to create the front view of the card using Microsoft Visio. For comparison, here's the negative photo for contrast:


And here's the Visio drafted diagram:



I've included the PCB artwork just for the fun and effects but there's really no need to do so if you only want to have a basic layout diagram for your PCB-RE work. Hopefully, this example gives you a glimpse of the versatility and power of Visio in creating technical illustrations.

I have yet to include the  reference designations of the components but that would be very cramp and messy, unless I use layering to segregate the components by their categories. This advanced technique is discussed in my first book, The Art of PCB Reverse Engineering, along with how to create stunning layout and schematic diagrams using Visio's powerful features.

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