this I feel is a typical troubleshooting scenario. many a times lack of understanding of the topology of the circuit , component charactetistics may result in this. for example an opamp based schmitt trigger may appear like a non inverting amplifier ( first impression on circuit topology) and if one has to torubleshoot a problem , lack of understandign of the topolgy may create more errors than a possilble solution.
Rob, it may be more cynically stated that "the customer always lies." Or, at least, "the customer never tells the whole truth." Troubleshooting such problems almost always means you have to be a Missourian: "Show me" or it didn't really happen.
Here's another good example of why it's important to dig down to the real problem. What appears to be the problem at first may not actually be the problem. We're seeing this again and again in the Sherlock Ohms posts.
A middle school team from Rochester, Mich., has again nabbed the grand prize in the annual international Future City Competition, which drew students from 37 regions of the United States, as well as from England and China.
The word “smart” is becoming the dumbest word around. It has been applied to almost every device and system in our homes. In addition to smartphones and smart meters, we now hear about smart clothing and smart shoes, smart lights, smart homes, smart buildings, and every trendy city today has its smart city project. Just because it has a computer inside and is connected to the Web, does not mean it is smart.
Are you being paid enough? Do you want a better job? According to a recent survey Manpower released just before Engineers Week, employers and engineers don't see eye-to-eye about the state of US engineers' skills and experience.
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