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How to Diagnose and Fix Everything Electronic, Second Edition (Inglês) Capa Comum – 15 out 2015
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Sobre o Autor
Michael Jay Geier has been an electronics technician, designer and inventor since age 6. He took apart everything he could get his hands on, and soon discovered that learning to put it back together was even more fun. By age 8, he operated a neighborhood electronics repair service that was profiled in The Miami News. He went on to work in numerous service centers in Miami, Boston and Seattle, frequently serving as the “tough dog” tech who solved the cases other techs couldn’t. At the same time, Michael was a pioneer in the field of augmentative communications systems, helping a noted Boston clinic develop computer speech systems for children with cerebral palsy. He also invented and sold an amateur radio device while writing and marketing software in the early years of personal computing.
Michael holds an FCC Extra-class amateur radio license. His involvement in ham radio led to his writing career, first with articles for ham radio magazines, and then with general technology features in Electronic Engineering Times, Desktop Engineering, IEEE Spectrum, and The Envisioneering Newsletter. His work on digital rights management has been cited in several patents. Michael earned a Boston Conservatory of Music degree in composition, was trained as a conductor, and is an accomplished classical, jazz and pop pianist, and a published songwriter. Along with building and repairing electronic circuitry, he enjoys table tennis, restoring antique mopeds, ice skating, bicycling, and banging out a jazz tune on his harpsichord.
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In reality, what I needed was a holistic approach that narrated the circuit and the signals that are manipulated. I NEVER thought of circuits this way and the author was able to explain that the active elements are the players in the story and everything else is a supporting cast.
I could read a schematic, but I couldn't understand why the components were there. I know that a capacitor doesn't pass DC, but now I see that when placed in the circuit, it acts as a DC filter to remove noise before passing a signal to the next stage.
On top of all that, I realized that every circuit has a voltage that is used as a signal. Signal analysis, analog and digital, seemed like a very advanced topic that I only understood through major concepts (linearity, aliasing, etc). Now I realize that a battery and a light bulb has a signal just as a digital video camera does. One is just more complex.
Bottom line, this is the book that I couldn't put down...and it is about some of the driest material you can find. It is written in a fun and enjoyable fashion. Every page had an "AH HA!" moment and I am much more confident in my electronics hobby and profession.
I cannot recommend this book enough and I would pay triple just for the section where the author walks through a couple sample circuits, describes each component's function, and what would happen if that component failed.
I know how hard it is to discuss technical material in an understandable, yet interesting way. The author has done a good job of that. He's honest about the tools it takes to really fix something beyond a simple fuse replacement. Chapter 6 has some guidelines on using those tools.
Chapter 4 is a great chapter on how to approach the problem of fixing electronic equipment. The Zen of electronic repair is quite similar to that of debugging software, so I felt right at home with that.
There's a chapter devoted to various electronic components you'll encounter and the common uses for each. This chapter is much better than most I've seen.
Chapters 10, 11, and 14 are the best chapters from a use perspective, in that it defines the major components of most electronic systems and then tells you how to track down a problem. Chapter 14 breaks these techniques down further by devices (e.g., audio system, camcorder, computer, etc.) I think these are well done.
He starts the book with several stories of repairs that he had to do and how he "sleuthed" them to a solution. These stories were both informative and entertaining...not an easy combination to pull off. Alas, there were too few of these. His knowledge and experience are obvious from his writing, but the stories were enjoyable to read while learning. I would have liked to see more.
I was hoping for a table of problems, and the associated method of attack on the problem (e.g., measuring voltages, injecting an audio or RF signal at such-and-such a point), and the likely culprit of the problem. There is a lot similar to that in narrative form, but a summary of issues pointing to details in the chapters would have been great. In ham radio, there are many things that can go wrong, and a table of problems/solutions like you sometimes see in an operator's manual, would have been very useful. Again, probably more for my needs than most readers, but the book fell a little short of expectations because something like it was missing.
Obviously, I enjoyed the book and felt that I learned things in the process.
As an engineer and as a consumer, I've dealt with electronics products and devices for many years - just like most of you. But, I've never really delved into the diagnosis and repair aspect. Just sort of a fuzzy memory of Ohm's Law, etc, and a habit of looking for blown fuses
Fortunately, Geier approaches things from this angle. There is very little physics and theory to wade through. The approach is is practical and hands on - with a sense of humor. The author does a great job demystifying things, and - by establishing common sense diagnostic procedures - provides a sound basis for actually doing repairs yourself
Various chapters describe the equipment you will need (really, not that much), how to set it up, and how to begin using it. Other parts of the book deal with enclosures, mechanisms, circuit devices, and the like. Geir's experience with practical electronics repair is abundantly evident, as is his humility in sharing it
I tend to be a tough critic on this type of "how to" effort. Nevertheless, I happily give five stars and big compliments to Geier. Brilliant...